Swearingen SA226 accident near Bedford, NH
On December 11, 2021, a Swearingen SA226 (airplane) was involved in an accident near Bedford, NH. 1 person died. Damage to the aircraft: destroyed.
- Date
- December 11, 2021
- Place
- Bedford, NH
- Aircraft
- Swearingen SA226 · Airplane
- Injuries
- 1 fatal, 0 serious, 0 minor
- Damage
- Destroyed
- Position
- 42.927°N, 71.452°W
- NTSB ID
- 20211211104386
Official records · ERA22FA086
- Public docket: reports, statements and exhibits from the investigation
NTSB summary
HISTORY OF FLIGHTOn December 10, 2021, about 2330 eastern standard time, a Swearingen SA-226AT, N54GP, was destroyed when it was involved in an accident near Bedford, New Hampshire. The commercial pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 135 on-demand cargo flight. According to information provided by the Federal Aviation Administration, the airplane was on the instrument landing system approach to runway 6 at Manchester Boston Regional Airport (MHT), Manchester, New Hampshire. During the approach, the pilot reported an engine failure at 2330:42 but did not specify which engine. Radio and radar contact were lost at 2330:51, when the airplane was about 1/4 mile from the runway. Review of ADS-B data revealed that during that last 9-second period, the airplane’s groundspeed slowed from 99 kts to 88 kts, as it descended about 400 ft in a slight left turn to impact. Video from a residential security camera recorded a portion of the airplane’s approach, but only the airplane’s navigation lights could be seen in the distance on a portion of a video; however, a sound spectrum study was performed on recorded engine noise. The sound spectrum study revealed that the engine noise was constant at about 2,000 rpm. As the airplane increased its distance from the camera, the audio data became unreliable for the study. The last reliable data was recorded at 2330:28, 14 seconds before the pilot reported an engine failure. PERSONNEL INFORMATIONReview of information provided by the operator revealed that the pilot had a total flight ex
Probable cause
The pilot’s failure to secure and feather the left engine and increase power on the right engine after a perceived loss of engine power in the left engine, which resulted in a loss of control and impact with terrain just short of the runway. Contributing to the accident was a reduction in engine power from the left engine due to a 1st stage turbine blade midspan separation and material loss in the
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Browse: New Hampshire · Swearingen aircraft
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
