- Date
- July 26, 1990, 14:15 local (19:15 UTC)
- Place
- Ozark, MO
- Injuries
- 2 minor
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N442FHFairchild Hiller FH-1100
- Weather
- Visual (VMC) · Day
- Status
- Completed · report March 12, 1993
- Report
- Approved by Office Director
- FAA report
- 19900726028779A
- Case key
- 14722
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Total loss of engine power due to #2 turbine shaft bearing failure. A factor related to the accident was: none suitable terrain.
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 plt said that while in cruise, he heard a loud pop from the rear of the helicopter, then the turbine began to spool down. An emerency autorotation, run-on ldg was attempted which resulted in a tail rotor strike, then a roll-over. Post accident investigation revealed a failed #2 turbine shaft bearing.
Aircraft
- Registration
- N442FH
- Reported as
- Fairchild Hiller FH-1100
- Category
- Helicopter
- Serial number
- 165
- Engine
- Allison 250-C18, 317 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Modern Transportation Mode
- Departed
- Nixa, MO
- Destination
- MU70 · Ozark, MO
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
- 34
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Flight hours
- 312 total · 28 in this make and model · 193 as pilot in command · 34 in the last 90 days · 2 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 180° at 7 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- -0 °F, dew point -0 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.