NTSB Identification: FTW85FA308.
The docket is stored on NTSB microfiche number 31598.
Nonscheduled 14 CFR
Accident occurred Wednesday, August 07, 1985 in DALLAS, TX
Aircraft: Fairchild Swearingen SA226TC, registration: N5356M
Injuries: 2 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE WHEN IT LANDED WITH THE GEAR UP. THE PILOTS REPORTED LOWERING THE GEAR, BUT DID NOT CONFIRM THE GEAR POSITION. THE TOWER TRANSMITTED A WARNING, BUT THE CREW DID NOT RESPOND. SUBSEQUENT INVESTIGATION REVEALED A MALFUNCTION IN THE VOLTAGE REGULATORS ON BOTH GENERATORS. THE BATTERY VOLTAGE AVAILABLE WAS NOT SUFFICIENT TO INITIATE GEAR EXTENSION. MANUAL GEAR EXTENSION WAS AVAILABLE.

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

ELECTRICAL SYSTEM,VOLTAGE REGULATOR..FAILURE,TOTAL

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

WHEELS UP LANDING..INADVERTENT..PILOT IN COMMAND

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

CHECKLIST..IMPROPER USE OF..PILOT IN COMMAND

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

LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..INOPERATIVE




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