NTSB Identification: MKC83LA080.
The docket is stored on NTSB microfiche number 20227.
Accident occurred Tuesday, March 22, 1983 in SPRINGFIELD, MO
Aircraft: MOONEY M20F, registration: N3386X
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE AIRCRAFT SUSTAINED DAMAGE WHEN THE LEFT MAIN AND NOSE GEARS COLLAPSED WHILE THE PILOT WAS TAXIING IN FROM LANDING. THE AIRCRAFT LANDED ON RUNWAY 31 AND HAD BEGUN A RIGHT TURN ONTO A TAXIWAY WHEN THE NOSE GEAR AND THEN THE LEFT MAIN GEAR RETRACTED. THE LANDING GEAR HANDLE WAS FOUND IN THE GEAR RETRACTED POSITION. THE PILOT SAID THE LANDING GEAR INDICATED DOWN AND LOCKED PRIOR TO LANDING BUT THE GEAR HANDLE MAY NOT HAVE BEEN LATCHED IN THE DOWN POSITION. THE PILOT ALSO SAID HE DID NOT HEAR THE LANDING GEAR UNSAFE WARNING HORN DURING THE ACCIDENT SEQUENCE. AN FAA INSPECTOR SAID THE WARNING HORN WAS OUT OF ADJUSTMENT AND DID NOT FUNCTION PROPERLY. THE EXAMINATION OF THE LANDING GEAR LATCH MECHANISM DID NOT REVEAL ANY DEFICIENCIES.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,GEAR LEVER..UNLOCKED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

GEAR DOWN AND LOCKED..NOT IDENTIFIED..PILOT IN COMMAND


Contributing Factors

LANDING GEAR,GEAR WARNING SYSTEM..INOPERATIVE

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