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Agni Air Flight 101

Coordinates: 27°23′24″N 85°18′00″E / 27.39000°N 85.30000°E / 27.39000; 85.30000
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Agni Air Flight 101
The aircraft involved, 9N-AHE, four months prior to the accident
Accident
Date24 August 2010 (2010-08-24)
SummaryCrashed following electrical failure and pilot's spatial disorientation
Sitenear Shikharpur, Nepal
27°23′24″N 85°18′00″E / 27.39000°N 85.30000°E / 27.39000; 85.30000
Aircraft
Aircraft typeDornier 228-101
OperatorAgni Air
Registration9N-AHE
Flight originTribhuvan International Airport, Kathmandu, Nepal
DestinationTenzing-Hillary Airport, Lukla, Nepal
Occupants14
Passengers11
Crew3
Fatalities14
Survivors0

Agni Air Flight 101 was a regional flight between Kathmandu and Lukla, Nepal, that crashed on 24 August 2010, killing all 14 people on board. Twenty minutes after take-off, the flight crew had reported a technical problem. Contact with the aircraft was lost shortly after. The aircraft crashed 50 miles (80 km) south of Kathmandu.

The investigation into the accident found that pilot fell victim to spatial disorientation following the loss of flight instruments after both generators failed. Backup battery power was exhausted prematurely due to the crew using an outdated checklist.

History of the flight

Flight 101 was traveling on a flight between Tribhuvan International Airport in Kathmandu, Nepal, and Tenzing-Hillary Airport in Lukla, Nepal.[1][2] Twenty minutes after take-off, the crew of the aircraft contacted air traffic control reporting technical problems and requesting a return to Kathmandu.[3]

Controllers then diverted the aircraft to Simara Airport in Pipara Simara, Nepal, due to poor weather conditions at Kathmandu. Aviation officials said although the flight crew reported technical problems, they did not declare an emergency or request priority clearance to land.[3]

Five minutes after reporting technical problems, radar and radio contact with the aircraft was lost.[3] The aircraft crashed in the town of Shikharpur, Narayani, around 50 miles (80 km) south of Kathmandu.[4] Witnesses reported there was no noise from the engines prior to the crash. The force of the crash spread wreckage in an area with a diameter of around 330 feet (100 m); and the aircraft created a crater 3 metres (9.8 ft) deep upon crashing.[3]

Aircraft

The aircraft involved was a twin turboprop Dornier 228 bearing Nepalese registration 9N-AHE. It was built by Dornier Flugzeugwerke in 1984 and was operated by Skyline Airways before being purchased by Agni Air in 2006.[5][6]

Casualties

All on board died in the crash; they included eight Nepalese citizens, as well as six foreigners.[2] Of the foreigners, four were American women, one was a Briton, and one was Japanese.[7][8]

Nationality[7] Fatalities[7] Total[7]
Passengers Crew
Nepal 5 3 8
United States 4 0 4
Japan 1 0 1
United Kingdom 1 0 1
Total 11 3 14

Aftermath

Rescue operations were immediately undertaken after it became clear that the plane had crashed, although efforts were hampered by the fact that the crash site was around two hours away from the closest location of police forces.[2] Heavy rains in the area also led to the risk of flooding and landslides.[3] Personnel from the Nepalese Army reached the site of the crash on foot, and were responsible for gathering bodies, but due to weather conditions, helicopters were forced to land more than a mile away.[4] Authorities announced a reward of Rs. 50,000 for anyone who would find equipment that would help authorities discover the cause of the crash.[9] By 2 September, both the cockpit voice recorder and the flight data recorder of the crashed aircraft had been located; both were undamaged and were analysed by investigators in India.[10][11]

Investigation

The government of Nepal formed a five-member panel to help determine the cause of the crash;[9] the committee was instructed to submit a report on the crash within 65 days.[4]

Despite initial reports that technical issues had resulted in the accident,[2][4] the cause was found to be spatial disorientation of the pilot following the loss of the attitude indicator. Flying in poor weather, that is in instrument meteorological conditions, the flight crew would have had to rely only on their instruments. The failure of the attitude indicator was caused by the failure of both generators and the crew using an outdated checklist. The battery was therefore drained of power in less than half the normal discharge time.[12]

See also

References

  1. ^ "Rescue operations ongoing at Agni Air Dornier 228 crash site". Flightglobal.com. 24 August 2010. Archived from the original on 27 August 2010. Retrieved 24 August 2010.
  2. ^ a b c d "14, include 6 foreigners killed in air crash". Hindustan Times. 24 August 2010. Archived from the original on 24 August 2010. Retrieved 24 August 2010.
  3. ^ a b c d e "Crash: Agni D228 at Bastipur on Aug 24th 2010, technical problems". The Aviation Herald. 24 August 2010. Retrieved 24 August 2010.
  4. ^ a b c d "4 Americans among 14 killed in plane crash in Nepal". Los Angeles Times. 24 August 2010. Archived from the original on 25 August 2010. Retrieved 24 August 2010.
  5. ^ "REGISTRATION DETAILS FOR 9N-AHE (AGNI AIR) DORNIER 228-101". Planelogger. Retrieved 1 April 2018.
  6. ^ "9N-AHE". rzjets. Retrieved 1 April 2018.
  7. ^ a b c d "Six foreigners among 14 killed in Agni Air crash". The Himalayan. 25 August 2010. Archived from the original on 8 March 2012. Retrieved 27 December 2010.
  8. ^ "Everest plane crash: Briton among the dead". Daily Mirror. 24 August 2010.
  9. ^ a b "'Black box' found from Agni Air crash site." The Himalayan Times. 31 August 2010. Retrieved on 17 September 2010.
  10. ^ "Searchers recover recorders from crashed Agni Air Dornier 228". Flightglobal.com. 2 September 2010. Archived from the original on 5 September 2010. Retrieved 5 September 2010.
  11. ^ Shrestha, Dambar Krishna. "Hotel Echo's last minutes." Nepali Times. Issue No. 518, 3–9 September 2010. Retrieved on 17 September 2010.
  12. ^ Hradecky, Simon (22 November 2010). "Crash: Agni D228 at Bastipur on Aug 24th 2010, dual generator failure". The Aviation Herald. Retrieved 24 November 2010.
External images
image icon Photos of 9N-AHE at Airliners.net
image icon Photos of 9N-AHE at JetPhotos.net
image icon Photo of 9N-AHE cockpit at Flickr
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