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Atlas / NTSB / MKC82FCA08

NTSB CAROL · Event

Event MKC82FCA08

1982-04-11 ST GENEVIEVE, Missouri, United States Serious 1 aircraft Status: Completed

Registry · N87623

FAA Aircraft Registry record.

Make / Model

RANS S-20

Engine

ROTAX 912ULS SERIES (100 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20160707

ADS-B equipped

Yes — Mode-S AC0F5A

Registrant of record

STEGNER PAGE

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

THE PILOT REPORTED THAT ABOUT 40 MINUTES AFTER TAKEOFF, THERE WAS A DROP IN OIL PRESSURE FOLLOWED ALMOST IMMEDIATELY BY AN ENGINE FAILURE. THE ENGINE FAILURE OCCURRED OVER A WOODED AREA. THE PILOT ATTEMPTED AN EMERGENCY LANDING IN A SMALL CLEARING, BUT THE HELICOPTER STRUCK TREES SHORT OF THE OPENING. AN INVESTIGATION REVEALED THAT THE NO. 5 CONNECTING ROD HAD FAILED AT THE CRANKSHAFT END. IT WAS NOTED THAT A ROD CAP BOLT HAD BROKEN, THE CAP HAD STRAIGHTENED OUT, AND THE ROD HAD SEPARATED FROM THE CRANKSHAFT. A LARGE HOLE WAS FOUND IN THE CRANKCASE AND THE OIL TANK WAS EMPTY. HOWEVER, OIL WAS NOTED INSIDE THE ENGINE AND ON ALL BEARINGS AND JOURNALS EXCEPT THE NO. 5 CONNECTING ROD. ALSO, ALL MAIN BEARINGS AND ALL ROD BEARINGS AND JOURNALS, EXCEPT NO. 5, WERE NORMAL. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1982_MKC82FCA08.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 (engine failure). 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 ↗