SEA86FA046

NTSB accident investigation · Cessna 401 · S. Lake Tahoe, CA · January 27, 1986

Accident · FatalField investigationFinal report
Date
January 27, 1986, 07:20 local (15:20 UTC)
Place
S. Lake Tahoe, CA
Injuries
3 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N988JMCessna 401
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860127001409A
Case key
40266

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 power(partial) - nonmechanicalTakeoff - initial climb
Aircraft preflight - not performedPilot in commandCause
Weather condition - temperature extremesFactor
Miscellaneous - undeterminedCause
Loss of control - in flightManeuvering - turn to landing area (emergency)
Aircraft performance,engine out capability - deterioratedFactor
Ice/frost removal from aircraft - not performedPilot in commandFactor
Gear extension - improperPilot in commandFactor
Propeller feathering - not performedPilot in commandFactor
Aircraft handling - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Acft took off in clear wx but below-freezing temps with heavy frost on acft surfaces. No preflight, run-up or warm-up performed. On initial climb, left eng power loss occurred for undet reason, but probably associated with temp/cold eng operation. Plt turned into dead engine in apparent course reversal, failed to feather propeller and lowered lndg gear during turn. Acft stalled, rolled inverted and crashed into residential area. Engine teardown revealed no mechnical defects. Post-mortem and tox tests revealed no physiological impairment.

Aircraft

Registration
N988JM
Reported as
Cessna 401
Category
Airplane
Serial number
0305
Airframe hours
5,860
Engine
Continental TSIO-520-E, 300 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Business · Part 91
Registered owner
Charles R. Maddox
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 4, 1985
Departed
TVL · S. Lake Tahoe, CA
Destination
SGU · St. George, UT

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
Private
Airplane ratings
Single-engine land, Multi-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
4,400 total · 35 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Visibility
40 statute miles
Lowest ceiling
25,000 ft broken
Temperature
21 °F, dew point 21 °F
Observed at
TVL, 2 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.