SEA90LA175

NTSB accident investigation · Mooney M-20E · Cheyenne, WY · September 5, 1990

Accident · No injuriesLimited investigationFinal report
Date
September 4, 1990, 20:45 local (Sep 5, 1990, 02:45 UTC)
Place
Cheyenne, WY
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9067VMooney M-20E
Weather
Visual (VMC) · Night/bright
Status
Completed · report September 28, 1992
Report
Approved by Office Director
FAA report
19900904065679A
Case key
41270

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

Pilot's failure to extend the landing gear prior to landing after having been distracted by traffic. A mitigating factor in this accident was the fact that the gear warning horn did not function.

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.

Gear not extendedLanding
Landing gear,gear warning system - inoperativeFactor
Wheels up landing - inadvertentPilot in commandCause

Analysis

The pilot of the Mooney M-20E landed gear-up after failing to extend the landing gear after being distracted by other air traffic. Investigation revealed that the gear warning horn was not functioning.

Aircraft

Registration
N9067V
Reported as
Mooney M-20E
Category
Airplane
Serial number
690010
Airframe hours
2,246
Engine
Lycoming IO-360-A1A, 200 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Robert A. Sands
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 24, 1990 · 103 hours before
Airport
CYS · Cheyenne, runway 12, 6,691 × 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
51
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
486 total · 486 in this make and model · 353 as pilot in command · 56 in the last 90 days · 27 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/bright
Wind
140° at 6 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 48 °F
Altimeter
30.00 inHg
Observed at
CYS

FAA reports on this event · 1

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