Tuesday, July 12, 2022

Landing Area Undershoot: de Havilland Canada DHC-3T Turbine Otter, N413JP; accident occurred February 21, 2022 in Deadhorse, Alaska

Aviation Accident Final Report - National Transportation Safety Board

The National Transportation Safety Board did not travel to the scene of this accident. 

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Juneau, Alaska

Investigation Docket - National Transportation Safety Board:

Bald Mountain Air Service Inc

Location: Deadhorse, Alaska 
Accident Number: ANC22LA019
Date and Time: February 21, 2022, 08:20 Local
Registration: N413JP
Aircraft Damage: Substantial
Defining Event: Landing area undershoot 
Injuries: 8 None
Flight Conducted Under: Part 135: Air taxi & commuter - Non-scheduled


The pilot reported that, while landing at a remote ice-covered airstrip, in flat light conditions, the airplane descended below the glide path and landed short of the airstrip. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to maintain a proper approach path in flat light conditions, which resulted in landing short of the runway and impact with terrain.


Environmental issues Flat light - Effect on personnel
Personnel issues Visual illusion/disorientation - Pilot

Factual Information

History of Flight

Landing Landing area undershoot (Defining event)

Pilot Information

Certificate: Airline transport
Age: 57, Male
Airplane Rating(s): Single-engine land; Single-engine sea
Seat Occupied: Left
Other Aircraft Rating(s): None 
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None 
Toxicology Performed:
Medical Certification: Class 2 With waivers/limitations 
Last FAA Medical Exam: January 5, 2022
Occupational Pilot: Yes
Last Flight Review or Equivalent: February 17, 2022
Flight Time: 6762 hours (Total, all aircraft), 1320 hours (Total, this make and model), 23.8 hours (Last 90 days, all aircraft), 23.8 hours (Last 30 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: DEHAVILLAND 
Registration: N413JP
Model/Series: DHC-3 
Aircraft Category: Airplane
Year of Manufacture: 1958
Amateur Built:
Airworthiness Certificate: Normal
Serial Number: 314
Landing Gear Type: Tailwheel; Ski/wheel 
Seats: 10
Date/Type of Last Inspection: October 27, 2021 100 hour 
Certified Max Gross Wt.: 8000 lbs
Time Since Last Inspection: 36 Hrs 
Engines: 1 Reciprocating
Airframe Total Time: 14122 Hrs at time of accident 
Engine Manufacturer: Honeywell
ELT: C126 installed, not activated
Engine Model/Series: TPE331-12JR
Registered Owner: 
Rated Power: 900 Horsepower
Operating Certificate(s) Held: On-demand air taxi (135)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual (VMC) 
Condition of Light: Day
Observation Facility, Elevation: PASC, 61 ft msl 
Distance from Accident Site: 90 Nautical Miles
Observation Time: 08:53 Local 
Direction from Accident Site: 55°
Lowest Cloud Condition:
Visibility: 10 miles
Lowest Ceiling: Overcast / 10000 ft AGL
Visibility (RVR):
Wind Speed/Gusts: 11 knots / 
Turbulence Type Forecast/Actual: None / None
Wind Direction: 90°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.1 inches Hg 
Temperature/Dew Point: -29°C / -33°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Deadhorse, AK 
Type of Flight Plan Filed: VFR
Destination: Deadhorse, AK 
Type of Clearance: None
Departure Time: 
Type of Airspace: Class G

Airport Information

Airport: PVT PVT
Runway Surface Type:
Airport Elevation: 67 ft msl 
Runway Surface Condition: Snow
Runway Used: 
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: Full stop

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 7 None 
Aircraft Fire: None
Ground Injuries: 
Aircraft Explosion: None
Total Injuries: 8 None 
Latitude, Longitude: 70.111113,-148.27498

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