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Showing posts with label united. Show all posts
Showing posts with label united. Show all posts

02 October 2014

Airline passenger infected with Ebola arrives in US

On September 30, 2014, the US Centers for Disease Control and Prevention (CDC) announced that the first case of Ebola to be diagnosed in the US involved an airline passenger, Thomas Eric Duncan, who had flown from Monrovia, Liberia to Dallas, Texas after stopovers in Brussels, Belgium and at Washington Dulles Airport in the US. The passenger, who departed from Liberia on September 19th and arrived in Dallas the next day, did not display any symptoms while he was traveling, and fell ill four days after he arrived.

Duncan is currently being treated in a Dallas-area hospital, but several key questions remained unanswered, such as how this passenger, who was infected while he was traveling in Liberia, was able able to travel to the US by flying on two airlines and passing through three airports without being detected.

For more information on this the information about this particular passenger, and to find out if you may have been on a flight taken by this passenger, you can visit the AirSafe.com page on Thomas Duncan.

More about Ebola
For more about Ebola, including links to CDC information for travelers, airline crews, airport crews, and others who may be exposed to people infected with Ebola, visit ebola.airsafe.com.

21 February 2014

Advice on how to prevent injuries from inflight turbulence

Turbulence happens on just about every flight, but most of the time the amount of turbulence is very small, and the level of risk is very low. Two turbulence events that happened earlier this week, one involving a Cathay Pacific 747 and the second a United Airlines 737 both led to injuries, and also received quite a bit of media attention.

These two events served as a reminder reminders of just how serious students can be, and the need for passengers to be aware of the potential danger.The following insights and advice should keep you from becoming one of those statistics.

Airline turbulence basics
You can experience turbulence for many reasons, typically due to weather conditions such as thunderstorms. Severe turbulence can happen in any phase of flight, but it's most likely to be hazardous during cruise when passengers and crew may be out of their seats and not belted in. In most cases a passenger experiencing turbulence will feel nothing more than a slight vibration. At the other extreme are those rare events that are severe enough to throw passengers around the cabin.

What causes turbulence?
Turbulence is air movement that normally cannot be seen. While it may sometimes be associated with weather conditions like thunderstorms, it can also happen in the following situations, which could happen even on a clear day.

  1. Thermals - Heat from the sun makes warm air masses rise and cold ones fall.
  2. Jet streams - Fast, high-altitude air currents shift, disturbing the air nearby.
  3. Mountains - Air passing over mountains can lead to turbulence as the air mixes above the air mass on the other downwind side.
  4. Wake turbulence - If an aircraft travels too close to another aircraft, the trailing aircraft may pass through an area of chaotic air currents caused by the lead aircraft.

How bad can it get?
Turbulence effects can range from the barely noticeable to the potentially dangerous. What you may feel can range from feeling a slight strain against your seat belts, to being forced violently against your seat belts, and having unsecured items (including yourself if you are unbuckled) being being tossed about the cabin.

Reducing your risks from turbulence
When the flight crew expects turbulence, they will work with the cabin crew to make sure that passengers are in their seats and belted in, and that serving carts and other loose items are properly secured. Even when turbulence is not expected, you should take a few basics steps before and during the flight to ensure your safety:

  • Follow the instructions of the crew - If the crew suggests that passengers return to their seats, do so as soon as you can.
  • Wear your seat belt at all times - Turbulence events can happen even during a smooth flight on a cloudless day. Turbulence is not always predictable and may arrive without warning.
  • Be aware of your overhead bin - If you are sitting under an overhead bin, make sure that the door is properly closed. Also, avoid sitting under a bin that is heavily packed or that contains one or more heavy items. If you can, move to a seat that is not directly under a bin.

Resources
Turbulence injuries on a United flight out of Denver - 18 Feburary 2014
AirSafe.com turbulence information
Passengers killed by turbulence
FAA turbulence information
How to measure turbulence while you fly
Using child restraints on aircraft
Airline pilot Patrick Smith weighs in on turbulence

Photo credit: Civil Aviation Safety Authority of Australia

18 February 2014

Turbulence injuries on a United flight out of Denver

17 February 2014, United Airlines 737-700, flight 1676, near Billings, MT: Yesterday, several passengers and crew members were injured in a turbulence event involving a United Airlines 737-700 that was en route from Denver, CO to Billings, MT, with at least one passenger hitting the ceiling hard enough to damage a panel. According to the FAA, the captain declared a medical emergency, and the aircraft landed without further incident. The event took place in the early afternoon, and the aircraft was reportedly in clear skies at the time of the incident.


United 737-700 in Billings, MT after turbulence event

The aircraft apparently encountered turbulence during descent that caused several flight attendants and unrestrained passengers to be tossed in the air. Most of the the injuries were minor, and only one victim, a flight attendant, required hospitalization.

Among those tossed in midair was an infant, who landed in a nearby seat and was not injured. According to United, there were 114 passengers and five crew members on board, and three flight attendants and two passengers were injured. Since the 737 has two flight crew members, this implies that all of the flight attendants who were on board were injured.

Turbulence events are not that rare, with the NTSB noting hundreds of such events in their online database. The FAA notes that in the 10-year period from 2002-2011, a total of 110 passengers and 219 crew members were injured by turbulence.

AirSafe.com has extensive background information on inflight turbulence at turbulence.airsafe.com, including advice on how to reduce turbulence risks and a link to a mobile phone app that will allow you to measure turbulence while you fly.

While significant turbulence events that lead to injuries occur several times a year, fatal events are much more infrequent. The last turbulence event that led to a passenger death was in 1997 on a United Airlines 747 that was on a flight from Japan to the US.


Fear of flying and turbulence
Capt. Tom Bunn of the SOAR fear of flying program offers insights into what causes turbulence, and shows passengers a method for controlling the anxiety that turbulence causes some passengers.

Get help NOW from the fear of flying experts at SOAR

Download AirSafe.com's fear of flying resource guide


Resources
AirSafe.com turbulence information
Passengers killed by turbulence
FAA turbulence information
How to measure turbulence while you fly
Using child restraints on aircraft
Airline pilot Patrick Smith weighs in on turbulence

Photo credit: Caleb VanGrinsven

08 December 2012

Airline complaint site threatened by United Airlines

If you fly long enough, you will experience an airline flight that is far from perfect, so bad that you not only want to complain to the airline, but to also share your experience with the world. While all airlines get complaints, few airlines have had as many complaints as United Airlines. Years before their merger with Continental, a merger which many believe led to a significant drop in the quality and consistency of the customer experience, United was one of the leading airlines for complaints. In fact, there were so many complaints that since 1997, the web site Untied.com (untied as in shoelaces) has exclusively featured complaints about United.

The site is unusual in that it has been up for over 15 years, and has kept a laser-like focus on the problems at United. The site has been supported almost entirely by the efforts of its creator Jeremy Cooperstock, an engineering professor at McGill University in Montreal, who also has his own story to tell about how United Airlines has treated him. However, the unique resource that Jeremy has created is at risk of being destroyed.

Lawsuits against Untied.com
Two recent lawsuits allege, among other things, that the site violates the airline's copyright and trademarks because it looks like the United Airlines website. The airline claims that it isn't trying to stop airline complaints from being publicized, but rather that they are trying to protect the airline' customers because they may confuse Coopperstock's site with the airline's site. Jeremy has a different interpretation, that the airline's suit is without merit, and that their goal goal is to put a strain on his time and money and to encourage him to shut down the site.

How to Help Untied.com
Jeremy has started a legal defense fund for his site at http://www.untied.com/SLAPP. AirSafe.com encourages you to donate what you can to help Jeremy keep his site alive. You can also help by visiting untied.com and sharing any complaints you may have about United, or their merger partner Continental.

06 April 2011

A review of a very eventful week in airline safety

This has been a very eventful week in airline safety, which has been dominated by the fallout from the April 1st fuselage rupture involving a Southwest Airlines 737-300, and an announcement by the French government wreckage from Air France flight 447 had been located at the bottom of the Atlantic. The A330 crashed into the ocean in June 2009, While the Southwest event has dominated the media, two other dramatic events have been occurring in the world of airline safety, including a deadly crash of a United Nations aircraft in Africa and an emergency evacuation of a United Airlines A320 in New Orleans .

Southwest Airlines fuselage rupture
There have been a number of unexpected surprises and regulatory actions since the NTSB started its investigation into the Southwest Airlines fuselage rupture on April 1st. This is a fast moving story with many parts, but the quick summary of the status of the investigation and the actions taken to deal with early findings is as follows:

- The rupture happened because of undetected metal fatigue in the fuselage

- A visual inspection, the only type required at the time, would not have detected the problem

- A previous Southwest 737 fuselage rupture in 2009 was in a completely different area of the fuselage

- The manufacturer (Boeing) had redesigned that area of the 737 fuselage in the 1990s and did not expect fatigue problems in this area of the aircraft (The lap joints that run the length of the fuselage) before about 60,000 flight cycles

- The incident aircraft had 39,781 flight cycles

- Southwest airlines grounded 79 similar aircraft (737-300s) and found five with similar problems

- On April 4th, Boeing came out with a service bulletin that detailed a more advanced inspection procedure that could detect the problem on affected Boeing 737-300, -400, and -500 series airplanes

- The FAA came out with an Airworthiness Directive (AD 2011-08-51) that required these advanced inspections be performed on all the affected aircraft within 20 days, and within five days of the aircraft has more than 35,000 cycles

- Aircraft that have accumulated more than 30,000 flight cycles must have this inspection procedure repeated at intervals not to exceed 500 flight cycles

- If cracks are detected, they must be repaired by an approved method before the aircraft can fly again

- Southwest has already complied with this Airworthiness directive.

AirSafeNews.com will provide updates on this investigation as they become available. Dr. Todd Curtis of AirSafe.com was also interviewed by the BBC about this event.

United A320 has emergency landing in New Orleans
4 April 2011; United Airlines A320-200 (N409UA); flight 497: Shortly after departing New Orleans on a nonstop flight to San Francisco, while climbing through 4,000 feet, the crew received multiple automated warnings and detected smoke in the cockpit. The crew also reported a loss of primary instrumentation and turned back to New Orleans. Air traffic controllers had to provide navigational assistance. The aircraft lost of anti-skid braking and nose-wheel steering upon landing and exited the runway approximately 2000 feet from the departure end of the runway. There were no injuries among the 119 passengers and crew.



Crash of a UN plane in Africa kills all but one on board
4 April 2011; Georgian Airways Canadair CRJ-100; 4L-GAE; flight 834; Kinshasa, Democratic Republic of Congo (DNC): The aircraft was on a domestic unscheduled flight from Kisangani to N'Djili airport in Kinshasa, and was attempting an instrument approach to runway 24 around 14:00L during heavy rain and under low visibility conditions. The aircraft missed the runway, broke up, and caught fire. , and crashed into a forest while en route to its destination. There was one survivor among the four crew members and 29 passengers.

At the time of the crash, the airplane operated on behalf of the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). Because this was not a regular airline flight, this crash was not counted as a fatal event as defined by AirSafe.com. This was also one of those rare airliner crashes with a sole survivor and the sixth fatal crash involving a CRJ.

03 September 2010

UPS 747 Crash in Dubai Kills Crew

3 September 2010; United Parcel Service (UPS); 747-400F; N571UP; flight 6; Dubai, United Arab Emirates: The aircraft was on an international cargo flight from Dubai, UAE to Colonge, Germany, and crashed shortly after takeoff about 10 km (6.2 mi) north of the airport. The two crew members were killed.



About the Boeing 747
This was the second fatal plane crash involving 747-400 series. The only previous fatal crash of a 747-400 was a 2000 crash of a Singapore Airlines in Taipei, Taiwan. The various models of the 747 have been involved in 28 crashes that have resulted in the death of at least one passenger, and seven fatal crashes of cargo or military versions of the aircraft. The earliest fatal passenger plane crash was a 1974 Lufthansa accident in Nairobi, Kenya, and the most recent passenger crash was a 2005 Saudi Arabian Airlines crash in Sri Lanka. The most recent cargo crash was a 2008 accident in Colombia involving Kalitta Air that killed three people on the ground.

About United Parcel Service
United Parcel Service (UPS) has been offering air cargo services since the early 1980s. The current UPS fleet has well over 200 aircraft, including about a dozen 747s. This is the third UPS crash that destroyed an aircraft, and the first fatal crash for United Parcel Service.

Related resources
UPS plane crashes
747 plane crashes
UPS fleet

Graphic: Gulf News

21 July 2010

Turbulence on United Flight Sends at Least 20 to Hospitals

20 July 2010; United Airlines 777; flight 967; over Kansas: United Airlines Flight 967, a 777 en route from Washington's Dulles Airport (IAD) to Los Angeles (LAX), diverted to Denver, CO (DIA) after apparently experiencing significant turbulence while flying at 34,000 feet over Kansas.

According to United, the aircraft had 255 passengers and 10 crew members. FAA spokesman Ian Gregor in Los Angeles said 26 passengers and four crew members were injured, and that one person was critically hurt, though no additional details were provided about the most seriously injured person. Local media reported that 21 people were transported to Denver area hospitals.

Fox News reported that United had two other significant turbulence events earlier this year. The first was a February incident where about 20 people were injured when a United flight experienced turbulence on a trip from Washington, DC, to Tokyo. That flight was a Boeing 747 with 263 people on board.

The second incident was in May when 10 people suffered injuries, including broken bones, on a United 777 flight that hit severe turbulence over the Atlantic Ocean on its way from London to Los Angeles. That flight was diverted to Montreal.

Last month, a United Express crash in Ottawa, Canada injured three people, including both pilots and one passenger.

While this most recent event is suspected to be due to turbulence, the investigation into this incident is ongoing could reveal another cause or causes. For example, in October 2008, a Qantas A330 was involved in what was first thought to be a turbulence event, but the Australian authorities found that it was not the case.

Plane Crashes and Significant Events for United Airlines
Plane Crashes and Significant Events for the 777
Fatal Turbulence Events Since 1980
Turbulence Resources for Passengers

22 May 2010

Air India Express 737-800 Crashes in Mangalore India

22 May 2010; Air India Express; 737-800; flight 812; Mangalore, India: The aircraft (VT-AXV) was on a scheduled international flight from Dubai, UAE, to Mangalore, India, arriving just after 6 a.m. local time. The aircraft landed on Mangalore airport's 2,450m-long runway, reportedly beyond the normal touchdown zone, and was unable to stop on that runway. After the plane departed the runway, it crashed through the airport's boundary wall and slid into a valley. The aircraft caught fire shortly afterwards.

There were six crew members and 160 passengers and on board, including four infants. Early reports indicate that there were eight survivors. Both pilots were killed in the crash. At the time of the crash, visibility was 6km, with calm winds. The instrument landing system on that runway was also operating normally.

Previous 737-800 Crashes
This is the eighth serious crash involving a 737-800. The first was a September 2006 midair collision involving a Gol Linhas Aéreas 737-800 in Brazil that killed all six crew members and 148 passengers, and the most recent was a January 2010 fatal crash of a Ethiopian Airlines jet near Beirut. Four of the previous seven crashes involved passenger fatalities.
  1. 25 January 2009; Ethiopian Airlines 737-800 (ET-ANB); Flight 409; near Beirut, LebanonThe aircraft was on a scheduled international flight from Beirut, Lebanon to Addis Ababa, Ethiopia, and crashed into the Mediterranean Sea shortly after takeoff. There were 82 passengers and eight crew members on board, all of whom were killed in the crash.

  2. 29 September 2006; Gol Linhas Aéreas 737-800; Flight 1907; near Peixoto de Azevedo, Brazil: The aircraft was on a scheduled domestic flight from Manaus to Brasilia when it had a midair collision in the area of São Félix do Xingu with an Embraer ERJ135 Legacy 600 executive jet operated by ExcelAire. The ExcelAire Legacy 600 jet had been on a flight from São José dos Campos to Manaus. After the collision, which damaged the left wing, left stabilizer, and left elevator of the executive jet, the crew of the damaged ExcelAire aircraft was able to land at a nearby military airfield at Cachimbo, Brazil. The 737 subsequently experienced an inflight breakup and crashed about 30 kilometers (19 miles) north of the Peixoto de Azevedo municipality. The Legacy 600 was on the first leg of a delivery flight to the US The 737 aircraft was also relatively new, having come into service with the airline less than three weeks before the crash. All six crew members and 148 passengers on the 737 were killed. The two crew members and five passengers on the Legacy 600 were not injured.

  3. 5 May 2007; Kenya Airways 737-800; Flight 507; near Douala, Cameroon: The aircraft was on a scheduled international flight from Douala, Cameroon to Nairobi, Kenya. The aircraft crashed into a swampy area near the airport less than one minute after takeoff. The aircraft departed just after midnight local time and the aircraft sent at least one communication to the control tower prior to the crash. All nine crew members and 105 passengers were killed.

  4. 20 August 2007; China Airlines 737-800; Flight 120; Naha, Japan: Shortly after landing at Naha on the island of Okinawa, the left engine caught fire and the crew initiated an emergency evacuation. Although the aircraft was destroyed by fire, all 157 passengers (including two toddlers) and eight crew members survived.

  5. 10 November 2008; Ryanair 737-800; Flight 4102; Rome, Italy: The aircraft, on a scheduled international flight from Frankfurt, Germany to Rome, Italy encountered a flock of birds during approach to Rome, sustaining damage to both engines, the wings, and the nose. The crew was able to land on the runway, but aircraft had a collapsed landing gear and serious damage to the rear of the fuselage. All six crew members, and 166 passengers survived.

  6. 25 February 2009; Turkish Airlines 737-800; Flight 1951; Amsterdam, Netherlands: The aircraft, on a scheduled international flight from Istanbul, Turkey, to Amsterdam, Netherlands crashed in a field about a mile (1.6 km) short of the runway. Three crew members, including both pilots, were killed, as were at least six others among the 134 passengers and crew members.

  7. 22 December 2009; American Airlines 737-800 (N977AN); Flight 331; Kingston, Jamaica: The aircraft was on a scheduled international flight from Miami, FL to Kingston, Jamaica. The aircraft landed during a rainstorm, and was unable to stop on the runway. After departing the runway, the aircraft went beyond the airport fence, and crossed a road before coming to rest on a beach. The landing gear collapsed, both engines separated from the wings, and there were two major breaks in the fuselage, but all 148 passengers and six crew members survived. The landing was carried out with a slight tail wind.
About Air India Express
Air India Express is a subsidiary of Air India. The airline began operations in 2005, and has about 23 other aircraft in its fleet, all 737-800s. This is the first accident or serious incident involving this subsidiary of Air India, and the fourth fatal plane crash overall for Air India since 1970.

AirSafeNews.com will provide updates on the investigation as information becomes available.

Additional Resources
Wikipedia page about the crash
Air India plane crashes
Fatal 737 plane crashes
Fatal airliner crash rates by model
Do plane crashes happen in threes?


Rescue and recovery efforts at crash site







Bird's eye view of flight path and accident location




Photo Credits: Rick Schlamp, AP, BBC

15 January 2010

The Miracle on the Hudson, Ejection Database, and A319 Landing Incident

Anniversary of the Miracle on the Hudson
One year after the ditching of US Airways flight 1549 in the Hudson River, the NTSB investigation is still ongoing. While the investigation may not be completed for several months, there is a large amount of information from the investigation that is available for the public to review. The NTSB information page on last June's public meeting about the accident has links to past NTSB press releases, and links to transcripts and videos from the three day public hearing. Additional information on the accident is available at the NTSB's public docket for this investigation.

Ejection Seat Database
If you ever had a question about military plane crashes featuring the use of an ejection seat, then Project Get Out and Walk is worth a visit. The site is an illustrated history of assisted aircrew escape system and has a database of all known ejections and bailouts, with ejections listed by year, country, and aircraft.

United Airlines Emergency Landing at Newark
On January 10th, a United Airlines Airbus A319 (N816UA, flight 634)was damaged when it landed at Newark's Liberty International Airport with its right hand main landing gear retracted. The aircraft was on a scheduled flight from Chicago's O'Hare airport, to Newark, and the flight was normal until approach, when the crew experienced problems with lowering the landing gear.

The crew carried out a missed approach, and later landed with the right main gear retracted and came to rest on the runway, damaging the right engine and the underside of the aircraft. All 48 passengers and five crew members evacuated using the emergency slides and there were no major injuries.

This being the Twitter era, it isn't surprising that there were a few Tweets (Twitter posts) on this event. A passenger on another aircraft with Twitter name @expodebbie said: On runway. Newark just closed. Another aircraft with bad landing- mechanical issues. Emergency vehicles. Zero idea just how bad. 6:28 AM Jan 10th

Below are several photos of the damaged aircraft, plus a video of the actual landing taken from the cockpit of another aircraft.








03 December 2009

Woman Accidentally Smothers Infant on Transatlantic Flight

British media sources report that late last month, a woman who fell asleep while breastfeeding her infant accidentally smothered her four-week old child while on a United Airlines flight.

United Airlines flight 982 was a 777 en route from Washington Dulles to Kuwait City, and somewhere over the Atlantic, she reportedly awoke to find that her child had been smothered. Th crew was alerted by to the situation by the screams of the 29-year-old mother.

A doctor traveling on the flight treated the baby, and the aircraft diverted to London's Heathrow airport, landing on the morning of November 25th. The baby was transported to a local hospital, where she was pronounced dead on arrival.

An autopsy has been performed and the the authorities are awaiting results. At present, the death is considered to be from unexplained causes, and police and the Child Abuse Investigation Team are investigating the circumstances of the death.

Previous Breastfeeding-Related Death on an Airliner
This recent event was not the first report of suspected breastfeeding accidents on board an aircraft. According to a report in the Hindu newspaper, a child died from a breastfeeding accident while the aircraft was at the gate. On 11 March 2009, a mother and four-month-old child were an Air India Express flight to from Karipur to Salalah, India. The mother and child had boarded the aircraft (Flight 341) at Kochi. During pushback from the gate, the mother started screaming after seeing her baby choke during breastfeeding.

A doctor on board treated the baby, and the child was taken to a local hospital where the infant was declared dead on arrival. A hospital official speculated that death was due to ingestion into the lungs of either breast milk or particles of vomit.

Related Articles
Breastfeeding While Traveling
Inflight Breastfeeding Issues
Woman Kicked off Plane for Breastfeeding
Airline Breastfeeding Policies

11 September 2009

Reflections on Aviation Security Eight Years after 9/11

Since the 9/11 attacks eight years ago, every anniversary brings an increase in interest by the media and by the general public. Last month, Dr. Todd Curtis of AirSafe.com was interviewed by a researcher from Lancaster University in the UK about security post 9/11. Below are some of the questions and their responses. We would be interested in what you think about both the questions and answers, and welcome your feedback.

1. Would you say 9/11 changed our perception of aviation safety? That now the prevalence of terrorism has made many people think they have more chance of being involved in an air disaster than being killed in a car crash?

The biggest change is that security concerns became very prominent. At the governmental level, both before and after 9/11, airline security and airline issues were dealt with by different philosophies. Safety and reliability issues were usually dealt with through a regulatory and administrative process that was deliberate, open, and sometimes stretching over a series of months or years. Multiple points of view were often encouraged, and given the opportunity to become part of the debate. In contrast, security issues were often political in nature,
where quick and decisive action was demanded by governments and by the industry. As a result, many things were done quickly, but often without an open and objective process guiding policy.

As for the public's perception of risks in the air compared to more common risks like cars, there had been very clear differences in the public's opinion and the media's coverage well before 9/11. One example was a study I conducted on media coverage by the New York Times during a 17-year, pre-9/11 period of 1978 to 1994. Among other things, I found that fatal airline events that involved jet aircraft that were hijacked, sabotaged, or destroyed by military action, which represented about 8% of the fatal airline accidents reported by the Times during that period, accounted for about 48% of all the airline accident articles in that period. I have not looked at the post 9/11 era, but I suspect that if the same study were conducted for the years 1995-2009, the percentage would be even more skewed.

2. Would you say the creation of the TSA and the federalising of airport safety has made us safer or is it an illusion?

I would say that it has made part of the security process more consistent, and has given the government the ability to implement changes more quickly. On the other hand, some parts of the security process appear to remain in place because of habit or appearances rather than because of effectiveness. One example is the policy of screening shoes. The reason is because one person tried, luckily without success, to explode a bomb hidden within a shoe. While it makes sense to be concerned about a future event, it doesn't make sense to focus on shoes (every size shoe, even the thinnest sandal) while ignoring dozens of other devices that could hide as much or even more explosive than the average shoe. Anyone intending to do harm with a similarly sized explosive would simply use a device that is not closely screened.

3. Do you think in the post 9/11 climate there is a dilemma between preventing another attack vs. allowing passengers to travel freely?

I don't think so. Even before 9/11, security procedures used by organizations from airport screeners to national intelligence agencies worked to identify, deter, and prevent hijackings, bombings, and other acts of deliberate mayhem. That dilemma, or more precisely the need to balance security and freedom of movement, existed before and after 9/11. The difference is that in the current environment, the threats are considered to be much more organized and potentially much more lethal than in the past. The ongoing debate is whether the measures that are being taken now are too much, too little, or just right.

Unfortunately, it is hard to say if most of the measures that have been taken have been effective. Because of the nature of the threat, the general public will have little or no insight into the threats that did not lead to a bad outcome. In contrast, there are plenty of ways to measure how effective current and proposed safety measures are. When accidents happen, they are thoroughly investigated and the
results published for the entire world to see, and information from the thousands of incidents that don't result in accidents are available for study and analysis. Unlike the open databases of the NTSB, FAA, and AAIB, the files of the FBI, CIA, NSA, MI6, and GCHQ are closed to the public.

4. Would you say that the Lockerbie disaster that saw the release of Abdelbaset al-Megrahi on the 20th August and the September 11th attacks in 2001 illustrates the changing nature of aviation terrorism? That the Al Qaeda use of aeroplanes as controlled weapons, in the hands of terrorists makes dealing with the threat of terrorism harder?

I believe it does for several reasons. The biggest is that a nation can't afford to be seen as backing a large terror event such as 9/11. The consequences to Afghanistan's government for harboring Al Qaeda was that it was attacked and driven from power. Any country that attacks the US or a US ally could also expect a response that is swift, certain, and severe.

Al Qaeda used relatively few resources to carry out their attacks. They were apparently not funded by a government, but were certainly harbored by one. There are many organizations, including corporations, that also have the resources to carry out even more devastating attacks without the direct involvement of a government. In my opinion, any group intending to do similar harm in the future will likely learn from Al Qaeda and not associate with any particular leader, government, or physical location. By being a group that is not associated with a particular nation, it would make it much more difficult for the victimized nation to deal with the attack through traditional means such as economic sanctions backed by fleets of B-52s and Predators.

On the subject of aircraft as controlled weapons, Al Qaeda was not the first entity to successfully crash a plane into a Washington, DC area building. Seven years before the attacks on the Pentagon and the World Trade Center, the White House was struck by a small Cessna, but the aircraft only minor damage and no injuries. Coincidentally, the aircraft took off on 9/11/1994. Like on 9/11 seven years later, the aircraft was also tracked on radar before the crash. This 1994 event was not due to a politically motivated hijacker, but due to a disturbed individual.

AirSafe.com would welcome any comments you may have about this article.
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