- Date
- April 11, 1982, 17:35 local (21:35 UTC)
- Place
- Near Tanana, AK
- Injuries
- 3 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N11058Hughes 369D
- Weather
- Visual (VMC) · Dusk
- Status
- Completed · report April 11, 1983
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- FAA report
- 19820411009129A
- Case key
- 71941
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The aircraft crashed on a snow covered mountain slope while in a steep left bank/nose low turn. The 1754 ast weather at Tanana, AK (19 NM sse) was, in part: 1800 ft broken, 3500 ft overcast, visibility 7 mi with light snow, wind 320 deg at 18 KTS. Flight advisories were posted for some turbulence in the area, and there were strong pressure gradients which were capable of producing gusty low level winds. Snow and snow showers persisted in the area well beyond the estimated time of the crash. The elevation of the airport at Tanana was 227 ft MSL, the crash site was at about 2550 ft MSL. During an examination of the wreckage, no preimpact failures were found.
Aircraft
- Registration
- N11058
- Reported as
- Hughes 369D
- Category
- Helicopter
- Serial number
- 210901D
- Airframe hours
- 653
- Engine
- Allison 250-C20B, 420 horsepower, turbo shaft
- Damage
- Destroyed
- Flight
- Part 135
- Operator
- Tundra Copters, Inc.
- Registered owner
- Paul R. Briles, Inc.
- Departed
- Banddanack, AK
- Destination
- FAI · Fairbanks, AK
- Flight plan
- VFR
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 32
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Helicopter
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Flight hours
- 3,954 total · 963 in this make and model · 5 in the last 90 days · 5 in the last 30 days · 3 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Dusk
- Temperature
- 64 °F
- Altimeter
- 29.00 inHg
- Observed at
- TAL, 19 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.