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Atlas / NTSB / DEN90LA064

NTSB CAROL · Event

Event DEN90LA064

1990-02-23 GALLUP, New Mexico, United States Airport · GUP None 1 aircraft Status: Completed

Registry · N9130A

FAA Aircraft Registry record.

Make / Model

CESSNA 170A

Year of manufacture

1949 · 41 years old at event

Engine

CONT MOTOR C145 SERIES (145 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19551119

ADS-B equipped

Yes — Mode-S ACA429

Registrant of record

KELSEY KEITH R

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

IMPROPER OPERATION OF THE ENGINE DURING PREFLIGHT PREPARATION, WHICH RESULTED IN OVERHEATING OF THE ENGINE AND DAMAGE TO INTERNAL COMPONENTS.

Factual narrative

THE AIRCRAFT HIT A DITCH DURING A FORCED LANDING AFTER THE ENGINE SEIZED DURING INITIAL CLIMB AFTER TAKEOFF. THIS WAS THE FIRST FLIGHT ON A NEWLY REBUILT ENGINE. THE ENGINE HAD BEEN RUN IN ON THE GROUND AND THE PILOT MADE THREE FULL POWER, STATIC RUNS BEFORE TAKEOFF. AN FAA INSPECTOR EXAMINED THE ENGINE AFTER THE ACCIDENT. HE SAID THE SPARK PLUGS FROM CYLINDERS NUMBER 1, 3, & 5 SHOWED EVIDENCE OF HAVING RUN WITH A LEAN MIXTURE. THE NUMBER 3 & 5 CYLINDERS WERE SCUFFED AND METAL FROM THE PISTONS HAD TRANSFERRED TO THE CYLINDER WALLS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_DEN90LA064.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.