- Date
- March 10, 1986, 12:55 local (16:55 UTC)
- Place
- Livengood, AK
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N9ATBell 206B3
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- FAA report
- 19860310005959A
- Case key
- 4642
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Analysis
Helicopter experienced power loss while flying low level pipeline patrol, resulting in a hard landing and substantial damage to the acft. The governing pressure (pg) air line fitting was found loose on the power turbine fuel governor.
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.
Loss of engine power(partial) - mech failure/malf
Fuel system,line - looseCause
Maintenance,service of aircraft/equipment - inattentiveCause
Inadequate surveillance,inadequate procedureFactor
Forced landing
Hard landing
Terrain condition - rough/unevenFactor
Aircraft
- Registration
- N9AT
- Reported as
- Bell 206B3
- Category
- Helicopter
- Serial number
- 003854
- Airframe hours
- 2,236
- Engine
- Allison 250-C20J, 400 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Other work use · Part 91
- Operator
- Air Logistics Of Alaska
- Registered owner
- Heli-Lift Inc.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- AAIP · March 2, 1986 · 53 hours before
- Departed
- Pump Station #7, AK
- Destination
- MTF · Fairbanks, AK
- Flight plan
- Company VFR
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 52
- Certificate
- Airline transport
- Instrument ratings
- Helicopter
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 11,159 total · 5,083 in this make and model · 10,784 as pilot in command · 300 in the last 90 days · 114 in the last 30 days · 8 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 30° at 10 knots
- Visibility
- 100 statute miles
- Lowest ceiling
- None
- Temperature
- 5 °F, dew point -0 °F
- Altimeter
- 29.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.