NTSB MKC89LA079 — 1989-03-11 · STUTTGART, Arkansas, United States

Current FAA registration · N9874

Make / Model: GRUMMAN ACFT ENG COR-SCHWEIZER G-164A
Year of manufacture: 1974 · 15 years old at event
Engine: P&W R1340 SERIES (600 hp)
Seats / Engines: 1 seats · 1 engine
Last airworthiness date: 19770215
ADS-B equipped: Yes — Mode-S ADC809

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9874 Grumman G-164A Minor

Probable cause & findings

FAILURE OF THE ENGINE BLOWER ASSEMBLY DRIVE SHAFT, WHILE MANEUVERING AT LOW ALTITUDE, AND FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHICH RESULTED IN A STALL BEFORE HE COULD LAND.

Factual narrative

THE PILOT REPORTED THAT AS HE WAS LINING UP TO MAKE HIS FIRST SWATH RUN, THE ENGINE LOST POWER. ALSO, HE STATED THAT AS THE AIRCRAFT WAS LOSING ALTITUDE AND POWER, IT GOT TO ABOUT TELEPHONE POLE HEIGHT, THEN IT STALLED AND COLLIDED WITH THE TERRAIN AT A STEEP ANGLE. A POST ACCIDENT EXAM OF THE ENGINE REVEALED THE SUPERCHARGER SHAFT HAD SHEARED, WHICH RESULTED IN THE LOSS POWER. REPORTEDLY, THE AIRCRAFT WAS FULLY LOADED WITH FUEL AND DRY FERTILIZER, WHEN IT CRASHED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1989_MKC89LA079.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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Related research

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