ASN Wikibase Occurrence # 368891
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Date: | Saturday 22 April 1989 |
Time: | 16:30 LT |
Type: | Boeing A75N1 |
Owner/operator: | Malcom Harper |
Registration: | N52652 |
MSN: | 75-4328 |
Year of manufacture: | 1942 |
Total airframe hrs: | 2526 hours |
Engine model: | CONTINENTAL R-670-11 |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Brooks, GA -
United States of America
|
Phase: | Take off |
Nature: | Private |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE 2970' RWY (ELEVATION 820') WAS MOSTLY SURROUNDED BY TREES. WITH A TEMP OF ABOUT 81 DEG, THE ESTIMATED DENSITY ALT WAS 2700'. AS THE PLT & PSGR WERE TAXIING TO RWY 2 TO TAKE OFF, THE WIND SOCK, WHICH WAS LOCATED BELOW THE TREE TOPS, WAS NOTED TO BE LIMP. THE PLT RPRTD THAT DURING TAKEOFF, LIFT-OFF WAS AT 65 MPH AFTER AN APRX 600' ROLL & A CLIMB WAS ESTABD AT 75 TO 80 MPH. HOWEVER, AS THE ACFT CLIMBED ABV THE TREES, A LEFT DRIFT WAS ENCTRD & THE ACFT STOPPED CLIMBING,ALTHOUGH THERE WAS NO APPARENT ENG PROBLEM. BY THIS TIME, THERE WAS INSUFFICIENT RWY REMAINING TO ABORT & THE ACFT WAS APCHG TREES NEAR THE END OF THE RWY. THE PLT TRADED AIRSPEED FOR ALT TO CLEAR THE TREES & THEN THE ACFT BEGAN TO MUSH. SUBSEQUENTLY, IT SETTLED INTO SMALLER TREES & CAME TO REST WITH SUBSTANTIAL DMG. THE PLT BELIEVED THE ACFT ENCTRD A QUARTERING TAILWIND & A DOWNDRAFT AS IT WAS CLIMBING ABV THE TREES DURING TAKEOFF & SUBSEQUENTLY GOT BEHIND THE POWER CURVE.
Probable Cause: CLIMB NOT POSSIBLE BECAUSE OF A DOWNDRAFT WHICH EXCEEDED THE PERFORMANCE CAPABILITIES OF THE AIRPLANE. FACTORS RELATED TO THE ACCIDENT WERE: INADEQUATE LOCATION OF THE WIND SOCK, THE ADVERSE WIND CONDITIONS, AND THE TREES.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ATL89LA135 |
Status: | Investigation completed |
Duration: | 5 years and 2 months |
Download report: | Final report |
|
Sources:
NTSB ATL89LA135
History of this aircraft
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Revision history:
Date/time | Contributor | Updates |
24-Mar-2024 08:36 |
ASN Update Bot |
Added |
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