MIA85LA164

NTSB accident investigation · Mooney M20C · Bainbridge, GA · May 4, 1985

Accident · No injuriesLimited investigationFinal report
Date
May 4, 1985, 11:45 local (15:45 UTC)
Place
Bainbridge, GA
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N6850UMooney M20C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850504058539A
Case key
31394

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.

Airframe/component/system failure/malfunctionCruise - normal
Propeller system/accessories,blade - corrodedFactor
Propeller system/accessories,blade - fatigueCause
Propeller system/accessories,blade - separationCause
Engine assembly - vibration
Forced landingDescent - emergency
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - ditchFactor

Analysis

While en route, the plt noted a severe eng vibration. He shut down the eng & made an emergency landing. During the roll-out, the acft hit a ditch & was damaged. An investigation revealed that one prop blade had failed from fatigue & the end of the blade had separated. The fatigue had originated on the side of the blade. There were indications of corrosion were the crack began, aprx 17' from the base of the blade.

Aircraft

Registration
N6850U
Reported as
Mooney M20C
Category
Airplane
Serial number
2555
Airframe hours
2,020
Engine
Lycoming O-360-A1D, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Callahan Aviation Services
Registered owner
Callahan Aviation Services
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 23, 1984
Departed
SPG · Spartanburg, SC
Destination
ANB · Anniston, AL

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
40
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,070 total · 161 in this make and model · 1,974 as pilot in command · 102 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
80° at 18 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
66 °F, dew point 39 °F
Altimeter
30.00 inHg
Observed at
ALB

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.