Accident American Aviation AA-1 Yankee N5903L,
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ASN Wikibase Occurrence # 179904
 
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Date:Tuesday 6 July 2004
Time:15:00
Type:Silhouette image of generic AA1 model; specific model in this crash may look slightly different    
American Aviation AA-1 Yankee
Owner/operator:Private
Registration: N5903L
MSN: AA1-0203
Year of manufacture:1969
Total airframe hrs:2500 hours
Engine model:Lycoming O-235
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Clermont County Airport, Batavia, Ohio -   United States of America
Phase: Take off
Nature:Private
Departure airport:Batavia, OH (I69)
Destination airport:Batavia, OH (I69)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot and passenger were departing from runway 22, a 3,568-foot-long, asphalt runway. The airplane stopped climbing after reaching an altitude of about 30 feet, and the pilot then realized that he would not clear trees located at the end of a soybean field, beyond the runway. The pilot attempted to land in the soybean field, however, the airplane flipped over. Witnesses reported that the airplane did not become airborne until the last third of the runway. The airplane's nose was pitched up higher than usual, and the airplane cleared the airport boundary fence by only 5 to 10 feet. The airplane was equipped with a 108-horsepower engine. A weight and balance calculation performed after the accident revealed that the airplane was about 100 pounds above it's maximum gross takeoff weight. In addition, the runway sloped upward, approximately 30 feet, between the respective touchdown zones of runways 22 and 4. The weather reported at an airport about 10 miles west of the accident site, included calm winds, and a temperature and dew point of 86 and 68 degrees F, respectively; which corresponded with a density altitude of about 3,000 feet. The pilot reported that the airplane's outside air temperature gauge indicated 33.1 degrees C (91 degrees F).
Probable Cause: The pilot's inadequate preflight preparation which failed to assure the takeoff performance needed to out climb obstacles. Factors in this accident were the up sloping runway, the high density altitude, and airplane being loaded above it's maximum gross weight.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: NYC04LA158
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040713X00958&key=1

Location

Revision history:

Date/timeContributorUpdates
26-Sep-2015 16:41 Noro Added
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
07-Dec-2017 18:15 ASN Update Bot Updated [Cn, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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