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Atlas / NTSB / FTW86IA078

NTSB CAROL · Event

Event FTW86IA078

1986-05-07 DALLAS/FTW APT, Texas, United States Airport · DFW Minor 1 aircraft Status: Completed

Registry · N109AA

FAA Aircraft Registry record.

Make / Model

AVIAT AIRCRAFT INC A-1B

Year of manufacture

2007

Engine

LYCOMING O-360-A1P (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20070914

ADS-B equipped

Yes — Mode-S A02624

Registrant of record

LIBERTY AVIATION LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

THE CREW STATED THAT DURING AN ATTEMPTED START THE NO. 1 ENG FAILED TO GAIN IGNITION DURING THE PRESCRIBED 25 SEC LIMIT AND THAT THEY ABORTED THE START. SHORTLY THEREAFTER, GRND PERS REPORTED THAT THE ENG HAD DEVELOPED A TAIL PIPE FIRE. FOLLOWING EMERG PROCEDURES, THE FIRE PERSISTED AND THE CAPT ORDERED THE ACFT EVACUATED. FOUR PAX RECEIVED MINOR INJURIES. INVESTIGATION REVEALED THAT THE 'B' IGN SYS WAS INOP AND PLACARDED AS SUCH AND THAT THE 'A' SYS WAS FUNCTIONING NORMALLY. EXAMINATION REVEALED A SHORT IN THE 'B' SYS HARNESS BETWEEN THE EXCITER AND THE ING PLUG. FOLLOWING REPLACEMENT OF THE 'B' HARNESS, BOTH IGN SYS AND THE ENGINE PERFORMED NORMALLY. THE TAIL PIPE FIRE COULD BE LIT OFF FOLLOWING AN ATTEMPTED START ON THE 'B' SYS, WITH A SUBSEQUENT SECOND START OR SWITCH OVER TO THE 'A' SYS WITHOUT PURGING THE ENG OF THE INITIAL START FUEL. EITHER SEQUENCE WOULD RESULT IN TORCHING. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1986_FTW86IA078.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗