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CHI92DEP04

1992-08-31 · ELKHORN, Wisconsin, United States · Minor · 1 aircraft · Status: Completed

Current FAA registration · N48635

Make / Model
GRUMMAN ACFT ENG COR-SCHWEIZER G-164A
Year of manufacture
1976 · 16 years old at event
Engine
P&W R-985 SERIES (450 hp)
Seats / Engines
1 seats · 1 engine
Last airworthiness date
19761014
ADS-B equipped
Yes — Mode-S A601C2

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

THE PILOT-IN-COMMAND'S INADEQUATE COMPENSATION FOR WIND CONDITIONS.

Factual narrative

DURING AN AERIAL APPLICATION MANEUVER, THE AIRPLANE EXPERIENCED A COLLISION WITH TREES AND THE TERRAIN. THE PILOT STATED THAT DUE TO A LOCAL DAIRY OPERATION, HE FOUND IT NECESSARY TO INITIATE THE SWATH RUN WITH A CROSSWIND TO DOWNWIND (TAILWIND) TURN TOWARD A HILLSIDE WITH TREES. THE PILOT SAID THAT HE SUSPECTED THAT THE INCREASED GROUND SPEED AND DOWNSLOPE AIRFLOW CONTRIBUTED TO THE ACCIDENT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1992_CHI92DEP04.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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