Accident Aero Commander 500B N1189Z, Friday 16 September 1988

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Date:	Friday 16 September 1988
Time:	08:00 LT
Type:	Aero Commander 500B
Owner/operator:	Central Air Southwest
Registration:	N1189Z
MSN:	1559-199
Total airframe hrs:	9862 hours
Engine model:	Lycoming IO-540-E1A5
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Hays, KS - United States of America
Phase:	Take off
Nature:	Unknown
Departure airport:	(KHYS)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
ABOUT 10 MIN AFTER LANDING, DRG A CARGO OPN, THE PLT WAS PREPARING FOR THE NEXT LEG OF THE FLT, BUT WAS UNABLE TO MAKE A NORMAL START OF THE RGT ENG. HE ATTEMPTED TO START (AIR START) THE ENG BY WINDMILLING THE PROP ON A TAKEOFF TYPE OF RUN. HOWEVER, DRG THE ATTEMPT, HE LOST CONTROL OF THE ACFT & IT VEERED OFF THE RWY, CROSSED A TWY & WENT THRU A BOUNDRY FENCE BEFORE STOPPING. IT CAME TO REST, 160 DEG FROM THE RWY HDG. NO PRE-ACDNT PART FAILURE/MALFUNCTION WAS FOUND.

Probable Cause: OPERATION ATTEMPTED WITH KNOWN DEFICIENCIES IN EQUIPMENT, AND FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL. A CONTRIBUTING FACTOR WAS: THE PILOT'S USE OF AN IMPROPER STARTING PROCEDURE & THE FENCE.

Accident investigation: