- Date
- September 16, 1988, 10:45 local (17:45 UTC)
- Place
- Columbia, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N9110FHughes 369HS
- Weather
- Visual (VMC) · Day
- Status
- Completed · report January 4, 1990
- Report
- Approved by Office Director
- FAA report
- 19880916039189A
- Case key
- 26105
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
During an external load operation, there was an indication of high torque and the oil chip light illuminated. The engine lost power and the pilot initiated an autorotation. The helicopter collided with the sloping terrain and rolled over. Inspection of the engine revealed that the number six and seven oil screens were improperly installed restricting the flow of oil. The entire engine exhibited signs of lack of lubrication and excessive temperatures.
Aircraft
- Registration
- N9110F
- Reported as
- Hughes 369HS
- Category
- Helicopter
- Serial number
- 1190210S
- Airframe hours
- 6,813
- Engine
- Allison 250-C20, 278 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Business · Part 91
- Operator
- Inter Mountain Helicopters
- Registered owner
- Intermountain Helicopter
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · August 15, 1988 · 83 hours before
- Departed
- 022 · Columbia, CA
- Destination
- Amer. Camp, CA
- Flight plan
- Company VFR
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 32
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 3,456 total · 317 in this make and model · 3,256 as pilot in command · 264 in the last 90 days · 57 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 180° at 5 knots
- Visibility
- 25 statute miles
- Lowest ceiling
- None
- Temperature
- 81 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.