SEA83LA195

NTSB accident investigation · Mooney M20-F · Seattle, WA · September 3, 1983

Accident · No injuriesLimited investigationFinal report
Date
September 3, 1983, 12:20 local (19:20 UTC)
Place
Seattle, WA
Injuries
2 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3525XMooney M20-F
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
39767

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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.

Loss of engine powerCruise - normal
Reason for occurrence undeterminedCause
DitchingLanding - flare/touchdown

Analysis

The plt stated he experienced a complete power loss while flying over puget sound at 700 ft. the acft sank & was not recovered.

Aircraft

Registration
N3525X
Reported as
Mooney M20-F
Category
Airplane
Serial number
670062
Airframe hours
2,700
Engine
Lycoming IO-360-A1A, 200 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
William W. Stephan
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 1, 1982
Departed
YVR · Vancouver
Destination
BFI · Seattle, WA
Flight plan
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
40
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,104 total · 1,000 in this make and model · 1,004 as pilot in command · 10 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 7 knots
Visibility
10 statute miles
Lowest ceiling
1,500 ft broken
Temperature
66 °F, dew point 55 °F
Altimeter
30.00 inHg
Observed at
BFI, 12 nm away

Other investigations on N3525X · 2

Matched to the same aircraft by N-number and date.