ERA22LA020

NTSB accident investigation · Mooney M20C · Lynchburg, VA · October 17, 2021

Accident · No injuriesClass 4 · LimitedFinal report
Date
October 17, 2021, 12:15 local (16:15 UTC)
Place
Lynchburg, VA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N669GJMooney M20C
Defining event
Landing-flare/touchdown: Landing gear collapse
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Eastern Region Aviation
Parties
FAA / FSDO
FAA report
20211017017139A
Case key
104130

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 uncommanded landing gear retraction following a hard landing for reasons that could not be determined.

Findings · 1

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Landing gear system: gear extension and retract sysAircraft › Aircraft systems · Unknown/Not determinedMooney M20C: 2 casesAll aircraft: 416 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that he extended the landing gear while performing a 360º turn to lose altitude on final approach and verified that it was down and locked. Upon landing, the landing gear retracted, and the airplane skidded to a stop on the runway, which resulted in substantial damage to the fuselage. A witness waiting to depart stated that the landing gear was down and the airplane appeared to land harder than usual in the gusting conditions. The airplane bounced twice, and on the second bounce, while the airplane was airborne, the landing gear retracted into the up position. Post-accident examination of the airplane revealed that the gear lever was in the retracted position and the landing gear functioned normally. The pilot reported that there were no pre-accident mechanical malfunctions or failures with the airplane that would have precluded normal operation. He stated that on a previous flight, the landing gear lever became unlatched and during all subsequent flights, he would forcefully jerk on the lever to ensure it was latched.

Aircraft

Registration
N669GJ
Reported as
Mooney M20C
Category
Airplane
Serial number
1946
Built
1961
Airframe hours
4,356
Engine
Lycoming O-360-A1D, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 21, 2020 · 30 hours before
Departed
JZP · Jasper, GA
Destination
Same as departure
Flight plan
IFR
Airport
LYH · Lynchburg Rgnl/Preston Glenn Fld, runway 04, 7,100 × 150 ft, asphalt
Equipment
Onboard weather, ADS-B, Auto-pilot, Electronic flight bag or handheld device, Electronic primary flight display

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
77
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
BasicMed
Last flight review
February 8, 2020
Seat
Left
Restraint
3-point
Flight hours
850 total · 154 in this make and model · 730 as pilot in command · 25 in the last 90 days · 10 in the last 30 days · 0 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
63 °F, dew point 36 °F
Altimeter
30.06 inHg
Turbulence
Unknown
Observed at
LYH
METAR
KLYH 171554Z VRB04KT 10SM CLR 17/02 A3006 RMK AO2 SLP176 T01670017

Docket · 7

The files NTSB released with the investigation on May 25, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 9.5 MB in all.

FAA reports on this event · 1

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