# NTSB CHI88DEE07: Hughes 269C, N7425F, Sandwich, IL, July 21, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 21, 1988, 09:30 local (14:30 UTC)
- Place: Sandwich, IL
- Coordinates: 41.639129, -88.619682 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.6391&lon=-88.6197&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 28, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 13857
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88DEE07
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13857/pdf
- Page: https://openairdocs.org/ntsb/CHI88DEE07

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, maneuvering - aerial application
  - reason for occurrence undetermined (cause)
- Forced landing, landing - flare/touchdown
  - run on landing
- In flight collision with terrain/water, landing - flare/touchdown
  - terrain condition - crop (contributing factor)
  - terrain condition - rough/uneven (contributing factor)
- Roll over, landing

## Analysis

THE PLT RPRTD THAT WHILE HE WAS CONDUCTING SPRAYING OPNS, HE NOTED A SIGNIFICANT LOSS OF ENG POWER. HE MADE A RUN-ON LANDING IN A BEAN FIELD. AS HE LANDED, THE LEFT SKID DUG INTO A FURROW & THE HELICOPTER ROLLED OVER. DURING THE INVESTIGATION, WHICH INCLUDED AN ENG TEARDOWN, NO REASON WAS FOUND FOR THE LOSS OF POWER.

## Aircraft

- Registration: [N7425F](https://openairdocs.org/deregistered/N7425F-2013-11-07), registration cancelled 2013-11-07, S/N 860532, built 1976 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 860532
- Airframe hours: 1833
- Engines: LYCOMING HIO-360-D1A 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Harold E. Miller, doing business as Harold'S Helicopter Service
- Registered owner: Greg Storlie
- Airworthiness certificate: Standard, Normal; Special, Special flight (Special)
- Last inspection: 100 hour, May 21, 1988, 17 hours before
- Departed: SANDWICH, IL
- Airport: C48, Sandwich

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; commercial; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 12,000 total, 2,500 in this make and model, 200 in the last 90 days, 75 in the last 30 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: variable at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 88 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19880721027249A](https://openairdocs.org/incident/19880721027249A), Jul 21, 1988: Hughes 269C, Sandwich, IL, Substantial damage. Helicopter collided with the bean field during a spray run. Blamed power loss but no engine or other defects.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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