LAX93LA085

NTSB accident investigation · Mooney M20F · So. Lake Tahoe, CA · December 31, 1992

Accident · No injuriesLimited investigationFinal report
Date
December 31, 1992, 12:30 local (20:30 UTC)
Place
So. Lake Tahoe, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9511MMooney M20F
Weather
Visual (VMC) · Day
Status
Completed · report August 30, 1993
Report
Approved by Office Director
FAA report
19921231052609A
Case key
27900

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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Probable cause

The pilot's failure to maintain directional control of the aircraft due to gusting cross winds and ice on the runway.

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 control - on ground/waterLanding - roll
Weather condition - crosswind
Terrain condition - icyCause
Directional control - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - snowbank

Analysis

The pilot said he departed from the airport and flew out over the lake in an attempt to climb above the clouds surrounding the lake basin. After ascertaining that the cloud tops were higher than forecast, the pilot returned to the airport and landed. The pilot said that after touchdown a sudden gust of wind from the right side began pushing the aircraft to the left. The pilot said he lost control of the aircraft after it encountered a patch of black ice on the runway. The aircraft veered off the runway and collided with a snow bank. A responding FAA inspector examined the aircraft and the runway and reported finding patches of black ice on the sides of the runway.

Aircraft

Registration
N9511M
Reported as
Mooney M20F
Category
Airplane
Serial number
670088
Airframe hours
2,860
Engine
Lycoming IO-360-A1A, 200 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Charles Downing
Registered owner
Mccants, Frome, Downing
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 5, 1992 · 80 hours before
Departed
TVL
Destination
SNA · Santa Ana, CA
Flight plan
VFR
Airport
TVL · South Lake Takhoe, runway 18, 8,544 × 150 ft, asphalt

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
35
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
114 total · 32 in this make and model · 76 as pilot in command · 18 in the last 90 days · 4 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 7 knots
Visibility
20 statute miles
Lowest ceiling
6,000 ft overcast
Temperature
37 °F, dew point 21 °F
Altimeter
30.00 inHg
Observed at
TVL, 1 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.