Accident Grumman American AA-5A Cheetah N9917U,
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ASN Wikibase Occurrence # 40905
 
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Date:Thursday 5 March 1987
Time:17:40
Type:Silhouette image of generic AA5 model; specific model in this crash may look slightly different    
Grumman American AA-5A Cheetah
Owner/operator:private
Registration: N9917U
MSN: AA5A-0317
Total airframe hrs:3081 hours
Engine model:LYCOMING O-320-E2G
Fatalities:Fatalities: 3 / Occupants: 3
Aircraft damage: Destroyed
Category:Accident
Location:Tucson, AZ -   United States of America
Phase: En route
Nature:Training
Departure airport:Tucson, AZ (TUS)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
A WITNESS OBSERVED THE AIRPLANE ENTERING DOWNWIND WITH SMOKE TRAILING BEHIND IT. THE PILOT COMMUNICATED TO UNICOM THAT: 'THE ENGINE HAS QUIT; I HAVE TO GET DOWN'. THE WITNESS THEN OBSERVED THE AIRPLANE MAKING A TIGHTER-THAN- NORMAL 'BASE TO FINAL' TURN. THE AIRPLANE NOSED DOWN AND SPUN TO THE GROUND. AN EXAMINATION OF THE AIRFRAME REVEALED NO MECHANICAL PROBLEMS. THE POWERPLANT WAS REMOVED TO A TESTING FACILITY. TEARDOWN OF THE ENGINE, ACCESSORIES, AND CARBURETOR REVEALED NO MALFUNCTIONS. THE CARBURETOR, PRIOR TO TEARDOWN, WAS INSTALLED ON A SIMILAR ENGINE AND WAS SATISFACTORILY RUN IN A TEST CELL. THE ACCIDENT OCCURRED IN FLAT TERRAIN. CAUSE:

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X30461

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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