Skip to content

Atlas / NTSB / SEA93LA092

NTSB CAROL · Event

Event SEA93LA092

1993-04-10 SPOKANE, Washington, United States Airport · SFF Minor 1 aircraft Status: Completed

Registry · N29553

FAA Aircraft Registry record.

Make / Model

TAYLORCRAFT BL-65

Year of manufacture

1940 · 53 years old at event

Engine

LYCOMING 0-145B SERIES (65 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560505

ADS-B equipped

Yes — Mode-S A30B30

Registrant of record

EGGERT ROBERT S

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

FAILURE OF THE NUMBER 4 CYLINDER EXHAUST VALVE SEAT AND THE INADVERTENT STALLING OF THE AIRCRAFT BY THE PILOT IN COMMAND. FACTORS CONTRIBUTING TO THE ACCIDENT WERE BUILDINGS AND POWER LINES.

Factual narrative

DURING THE INITIAL CLIMBOUT THE ENGINE BEGAN RUNNING ROUGH AND THE PILOT ELECTED TO RETURN TO THE AIRPORT TO LAND DUE TO BUILDINGS AND POWER LINES IN HIS CLIMBOUT FLIGHT PATH. THE PILOT REPORTED THAT 'DUE TO THE TIGHTNESS OF THE TURN TO MISS AN AIRPORT BUILDING THE AIRPLANE LOST SUFFICIENT ALTITUDE AND AIRSPEED AND STALLED.' SUBSEQUENT EXAMINATION OF THE AIRCRAFT'S ENGINE REVEALED THAT THE NUMBER 4 CYLINDER EXHAUST VALVE SEAT HAD FAILED AND NO COMPRESSION COULD BE ACHIEVED FROM THE CYLINDER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1993_SEA93LA092.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 or causal vocabulary (stall). 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 ↗