NTSB Identification: NYC88LA055.
The docket is stored on NTSB microfiche number 37449.
Accident occurred Monday, December 07, 1987 in WHITE PLAINS, NY
Probable Cause Approval Date: 05/26/1989
Aircraft: MITSUBISHI MU-2B-20, registration: N866Q
Injuries: 1 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 CROSS COUNTRY BUSINESS FLIGHT WAS UNEVENTFUL FROM CONCORD, NEW HAMPSHIRE TO WHITE PLAINS, NEW YORK UNDER CLEAR SKY. DURING FINAL APPROACH, THE PILOT EXTENDED THE GEAR BUT DID NOT NOTICE THAT THE CIRCUIT BREAKER HAD OPENED AND THE GEAR WAS NOT LOWERED. THE AIRCRAFT LANDED GEAR UP AND THE GEAR DOORS PARTIALLY OPEN. THE GEAR WARNING HORN DID NOT OPERATE. THE PLT STATED THAT HE FAILED TO CHECK FOR 3 GREEN LIGHTS.

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

LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..INOPERATIVE

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

GEAR EXTENSION..NOT ATTAINED..PILOT IN COMMAND

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

ELECTRICAL SYSTEM,CIRCUIT BREAKER..POPPED/TRIPPED



Contributing Factors

CHECKLIST..NOT FOLLOWED..PILOT IN COMMAND

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