- Date
- March 21, 1986, 13:00 local (21:00 UTC)
- Place
- Afton, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N8327Sikorsky S-55
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860321009469A
- Case key
- 24976
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.
Loss of engine power(total) - mech failure/malf
Ignition system,magneto - failure,totalCause
Forced landing
Hard landing
Analysis
The acft was landed off the arpt in a forced landing after a pwr loss. The acft was damaged in the hard landing. Eng teardown showed the r/h magneto model S7LV-2 had stripped distributor drive gears. No other abnormalities noted. The TSO of the mag was calculated to be 669.2 hrs.
Aircraft
- Registration
- N8327
- Reported as
- Sikorsky S-55
- Category
- Helicopter
- Serial number
- 55-231
- Airframe hours
- 8,600
- Engine
- Curtis Wright R-1300-3D, 700 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Operator
- Avag Corp.
- Airworthiness certificate
- Standard, Normal; Special, Limited (Special)
- Last inspection
- Annual · December 2, 1985 · 190 hours before
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 52
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 5,000 total · 4,500 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- Calm
- Visibility
- 20 statute miles
- Lowest ceiling
- None
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.