- Date
- October 22, 1989, 15:53 local (20:53 UTC)
- Place
- Mascoutah, IL
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N100MHDe Havilland DH82A
- Weather
- Visual (VMC) · Day
- Status
- Completed · report July 9, 1990
- Report
- Approved by Office Director
- FAA report
- 19891022041969A
- Case key
- 14584
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
An undetermined powerplant problem, which resulted in a severe vibration. The soft/uneven terrain was considered to be a contributing factor.
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.
Airframe/component/system failure/malfunction
Powerplant - undeterminedCause
Powerplant - vibration
Forced landing
Nose over
Terrain condition - softFactor
Terrain condition - rough/unevenFactor
Aircraft
- Registration
- N100MH
- Reported as
- De Havilland DH82A
- Category
- Airplane
- Serial number
- A17-122
- Engine
- Rolls-Royce GIPSY MAJOR, 130 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Roland A. Shepard
- Airworthiness certificate
- Standard, Utility; Standard, Normal
- Last inspection
- Annual · July 18, 1989 · 15 hours before
- Departed
- MO49 · Washington, MO
- Destination
- CULL · Carmi, IL
N100MHRegistered now · Dehavilland TIGER MOTH DH 82AAirframe modelDehavilland TIGER MOTH DH 82AEngine modelRolls-Royce GIPSY MK series
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
- 64
- Certificate
- Airline transport
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Rear
- Flight hours
- 24,000 total · 40 in this make and model · 20,000 as pilot in command · 10 in the last 90 days · 6 in the last 30 days · 6 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 150° at 10 knots
- Visibility
- 7 statute miles
- Lowest ceiling
- 25,000 ft broken
- Temperature
- 70 °F, dew point 54 °F
- Altimeter
- 30.00 inHg
- Observed at
- BLV, 4 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.