MIA84FA164

NTSB accident investigation · Mooney M-18C · Sugar Loaf Key, FL · May 10, 1984

Accident · FatalField investigationFinal report
Date
May 10, 1984, 12:10 local (16:10 UTC)
Place
Sugar Loaf Key, FL
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N487MMooney M-18C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840510016509A
Case key
30992

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/malfunctionManeuvering
Wing - deterioratedCause
Maintenance,compliance with ad - improperOther maintenance personnelFactor
Wing - failure,totalCause
Wing - separationCause
Loss of control - in flightManeuvering
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The acft was observed making several passes over a friends house. At the end of the third pass during, a climbing left turn, the right wing separated from the acft. Inspection of the wreckage revealed wood rot in the main wing spar. The last known inspection for wood and glue joint deterioration was performed in 1982 by the previous owner.

Aircraft

Registration
N487M
Reported as
Mooney M-18C
Category
Airplane
Serial number
241
Airframe hours
837
Engine
Continental A65-8-12, 65 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Stephen C. Forris
Airworthiness certificate
Standard, Normal
Last inspection
Annual · March 1, 1984 · 31 hours before
Departed
EYW · Key West, FL
Destination
FXE · Ft.Lauderdale, FL
Airport
06

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
52
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Toxicology
Performed
Flight hours
4,664 total · 129 in this make and model · 4,254 as pilot in command · 43 in the last 90 days · 26 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
30° at 12 knots
Visibility
10 statute miles
Lowest ceiling
24,000 ft broken
Temperature
81 °F, dew point 64 °F
Altimeter
30.00 inHg
Observed at
EYW, 10 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.