LAX85LA397

NTSB accident investigation · Cessna 182P · Mammoth Lakes, CA · September 20, 1985

Accident · No injuriesLimited investigationFinal report
Date
September 20, 1985, 10:00 local (17:00 UTC)
Place
Mammoth Lakes, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N7208NCessna 182P
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850920065519A
Case key
24840

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/malfunctionDescent - normal
Throttle/power lever - movement restrictedFactor
Throttle/power lever - undeterminedCause
UndershootApproach - vfr pattern - base leg/base to final
Planned approach - misjudgedPilot in commandCause
Mixture - prematurePilot in commandFactor
Loss of control - in flightApproach - vfr pattern - base leg/base to final
Airspeed - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The plt stated that the afct's throttle stuck in the full power position. He shut the engine down using the mixture control, but misjudged his altitude, stalled the aircraft & crashed short of the runway. The condition of the wreckage precluded determination of the pre-accident condition of the throttle assembly.

Aircraft

Registration
N7208N
Reported as
Cessna 182P
Category
Airplane
Serial number
18263000
Airframe hours
1,570
Engine
Continental O-470-R, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Philip A. Zimmerman
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 6, 1985 · 105 hours before
Departed
SDM · San Diego, CA
Destination
MMH
Flight plan
VFR
Airport
MMH · Mammoth Lakes

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
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
738 total · 738 in this make and model · 721 as pilot in command · 54 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
40 statute miles
Lowest ceiling
None
Temperature
54 °F, dew point 19 °F
Altimeter
30.00 inHg
Observed at
MMH

FAA reports on this event · 1

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