Serious incident Piper PA-32R-300 N301WA, Sunday 25 September 1983

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Date:	Sunday 25 September 1983
Time:	13:56 LT
Type:	Piper PA-32R-300
Owner/operator:	Gambill Construction Co.
Registration:	N301WA
MSN:	32R7780411
Total airframe hrs:	1650 hours
Engine model:	Lycoming IO-540-R16TO
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Minor
Category:	Serious incident
Location:	Orlando, FL - United States of America
Phase:	Landing
Nature:	Executive
Departure airport:	WILKESBORO (KIKB)
Destination airport:	Orlando, FL (KORL)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
ACFT MADE AN INTENTIONAL GEAR UP LANDING AFTER BOTH NORMAL & EMERGENCY PROCEDURES FAILED TO LOWER THE GEAR. IT WAS DETERMINED THAT THE HYDRAULIC PUMP MOTOR HAD FAILED. NORMAL & EMERGENCY SYSTEMS WERE INTERDEPENDENT. THE EMERGENCY GEAR DIAPHRAGM WAS BLOCKED BY MUD DAUBER MATERIAL.

Probable Cause:

Accident investigation: