National Airlines Flight 102
N949CA, the aircraft involved in the accident, seen here in 2012
|Date||29 April 2013|
|Summary||Lost control and crashed after take-off due to load shift|
|Site||Bagram Airfield, Parwan, Afghanistan |
|Aircraft type||Boeing 747-428BCF|
|IATA flight No.||N8102|
|ICAO flight No.||NCR102|
|Call sign||ISAF 95AQ|
|Flight origin||Camp Bastion, Afghanistan|
|Stopover||Bagram Airfield, Afghanistan|
|Destination||Al Maktoum Airport, Dubai, United Arab Emirates|
National Airlines Flight 102 was a cargo flight operated by National Airlines between the British military base Camp Bastion in Afghanistan and Al Maktoum Airport in Dubai, with a refueling stop at Bagram Airfield, Afghanistan. On 29 April 2013, the Boeing 747-400 operating the flight crashed moments after taking off from Bagram, killing all seven people on board.
The subsequent investigation concluded that improperly secured cargo broke free during the take-off and shifted to the back of the cargo hold. The change in balance caused the aircraft to pitch up and stall. The shifted cargo also disabled the rear flight control systems, rendering the aircraft uncontrollable and making recovery from the stall impossible.
At the time of the crash the airline had been operating between Camp Bastion and Dubai for a month. The accident flight had originated in Camp Bastion and had stopped at Bagram Airfield to refuel. The aircraft then took off from Bagram's runway 03 at 15:30 local time and was climbing through 1,200 feet (370 m) when its nose rose sharply. The aircraft then stalled, crashed, and exploded into a large fireball. The crash site was off the end of runway 03, within the perimeter of the airfield. All seven crew, all of whom were U.S. citizens, died: four pilots, two mechanics, and a loadmaster.
A thunderstorm was also in the vicinity of Bagram at the time of the crash and the wind changed direction by 120° during a one-hour period commencing approximately 35 minutes before the crash. A dashboard camera on a car in the vicinity of the runway end recorded the crash. CNN stated that a government official speaking on the condition of anonymity said that the video was authentic.
The aircraft involved was a Boeing 747-428BCF,[note 1] registration N949CA, S/N 25630. It was manufactured in 1993 as a passenger aircraft and was delivered to Air France (with registration F-GISE) the same year. Air France placed the aircraft into commercial passenger service and operated it until September 2010. In 2011 the aircraft modified for service as a freighter before being sold to National Airlines. At the time of the crash, the aircraft was flying on behalf of the United States Air Force's Air Mobility Command.
The crash interrupted the New Zealand Defence Force's (NZDF) withdrawal from Afghanistan, as it was only hours away from using another National Airlines aircraft to fly equipment out of the country; after the crash the NZDF indefinitely postponed using National Airlines for its airlift requirements.
The United States National Transportation Safety Board (NTSB) and the Afghanistan Civil Aviation Authority investigated the crash. The NTSB reported in a 30 April 2013 press release that representatives of the Federal Aviation Administration and the Boeing Company would also provide technical expertise and aid in the investigation.
On 2 June 2013, investigators from the Ministry of Transport and Civil Aviation of Afghanistan confirmed the load shift hypothesis as the starting point: three armoured vehicles and two mine-sweeping vehicles, totalling 80 tons of weight, had not been properly secured. At least one armoured vehicle had come loose and rolled backwards against the airplane's rear bulkhead, damaging the bulkhead. This also crippled key hydraulic systems and damaged the horizontal stabilizer components - most notably the jackscrew, which rendered the airplane uncontrollable. Control of the aircraft was therefore lost, with the abnormal pitch-up rotation, stall, and crash to the ground ensuing. The damage made it impossible for the crew to regain control of the aircraft.
The NTSB determined that the probable cause of this accident was "National Airlines’ inadequate procedures for restraining special cargo loads, which resulted in the loadmaster’s improper restraint of the cargo." One of the key recommendations was to mandate training for all loadmasters.
The Canadian TV series Mayday (also known as Air Crash Disaster and Air Emergency in the US and Air Crash Investigation in the UK and the rest of the world) covered Flight 102 in episode 10 of series 16, called "Afghan Nightmare", first broadcast in 2017.
- The aircraft was a Boeing 747-400 model; Boeing assigns a unique code for each company that buys one of its aircraft, which is applied as an infix to the model number at the time the aircraft is built, hence "747-428". This aircraft was converted to freighter configuration as part of Boeing's conversion program of passenger 747-400s, hence "747-428BCF" for Boeing Converted Freighter.
- Simon Hradecky (4 June 2013). "Crash: National Air Cargo B744 at Bagram on Apr 29th 2013, lost height shortly after takeoff". The Aviation Herald. Retrieved 5 June 2013.
- "Seven killed in US cargo plane crash at Afghan base". BBC News. 29 April 2013. Retrieved 1 May 2013.
- "NTSB Finds Damage From Inadequately Secured Cargo Caused Boeing 747 Crash in Bagram, Afghanistan". NTSB Press Release dated 14 July 2015. National Transportation Safety Board. Retrieved 18 Oct 2015.
- "Information Related to Flight NCR102". National Air Cargo. Archived from the original on 3 May 2013. Retrieved 6 May 2013.
- "Video of Bagram plane crash legitimate, U.S. official says". CNN. 6 May 2013. Retrieved 6 May 2013.
- Yan, Holly; Alsup, Dave (1 May 2013). "Cargo plane crashes in Afghanistan, killing 7 Americans". CNN. Retrieved 1 May 2013.
- "N949CA accident synopsis". Aviation Safety Network. Retrieved 9 May 2013.
- LiveLeaks dashboard video
- "FAA Registry (N949CA)". Federal Aviation Administration.
- "Plane crash stalls Afghan withdrawal". 3 News NZ. 2 May 2013. Retrieved 2 May 2013.
- "NTSB to assist Afghan authorities with investigation into Bagram cargo plane crash". NTSB Press Releases. National Transportation Safety Board. Retrieved 5 May 2013.
- Simon Hradecky (29 April 2013). "Crash: National Air Cargo B744 at Bagram on Apr 29th 2013, lost height shortly after takeoff". The Aviation Herald. Retrieved 30 April 2013.
- "Air Crash Investigation – Episodes season 15". NG Europe. Archived from the original on 11 February 2017. Retrieved 15 February 2017.