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Atlas / NTSB / FTW85LA092

NTSB CAROL · Event

Event FTW85LA092

1985-01-05 OKLAHOMA CITY, Oklahoma, United States Airport · OK15 None 1 aircraft Status: Completed

Registry · N55PT

FAA Aircraft Registry record.

Make / Model

PIPER PA-18-135

Year of manufacture

1953 · 32 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560503

ADS-B equipped

Yes — Mode-S A6FE69

Registrant of record

DEJULIA THOMAS A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

THE PLT-IN-COMMAND (PIC) REPORTED THAT AFTER TOUCHDOWN, THE SPOILERS & BRAKES WERE APPLIED, BUT NO BRAKING ACTION WAS FELT ALTHOUGH PEDDLE PRESSURE WAS EVIDENT. HE STATED THAT BY THE TIME IT WAS CLEAR THAT THE BRAKES WERE INEFFECTIVE,INSUFFICIENT RWY REMAINED TO GO AROUND. HE STATED THAT POWER WAS REDUCED & THE ACFT WENT OFF THE END OF THE RWY. NO SKID MARKS WERE FOUND GOING OFF THE DEPARTURE END. WITNESSES SAID THE ACFT HAD LANDED ABOUT HALF WAY DOWN THE RWY. THEY DID NOT HEAR THE ENGS 'RUN UP' UNTIL AFTER THE ACFT WENT OFF THE RWY'S END. AFTER DEPARTING THE RWY, THE ACFT ENCOUNTERED SOFT MUDDY TERRAIN & WAS DAMAGED. NO DISCREPANCIES WERE FOUND DURING AN EXAM OF THE BRAKES, ANTI-SKID, SPOILERS, WING FLAPS EMERG BRAKES & DRAG CHUTE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1985_FTW85LA092.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.