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Atlas / NTSB / ATL89LA135

NTSB CAROL · Event

Event ATL89LA135

1989-04-22 BROOKS, Georgia, United States Airport · 8GA9 None 1 aircraft Status: Completed

Registry · N52652

FAA Aircraft Registry record.

Make / Model

BOEING A75N1(PT17)

Year of manufacture

1942 · 47 years old at event

Engine

CONT MOTOR W670 SERIES (250 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19691027

ADS-B equipped

Yes — Mode-S A6A25A

Registrant of record

UNITED BALLOON VENTURES LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

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.

Factual 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. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1989_ATL89LA135.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.