# NTSB CHI83LA392: Ayres S2R-R1820, N4025R, Essexville, MI, August 23, 1983

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 23, 1983, 10:59 local (14:59 UTC)
- Place: Essexville, MI
- Coordinates: 43.609268, -83.840019 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.6093&lon=-83.8400&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12317
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83LA392
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12317/pdf
- Page: https://openairdocs.org/ntsb/CHI83LA392

## Sequence of events

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

- In flight collision with object, maneuvering - aerial application
  - object - wire,transmission (contributing factor)
  - clearance - misjudged, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

WHILE ON A SWATH RUN, THE ACFT COLLIDED WITH A POWER LINE & CRASHED IN A CORN FIELD. THE PLT RECEIVED A HEAD INJURY DURING THE ACCIDENT & WAS UNABLE TO RECALL DETAILS OF THE OCCURRENCE. ACCORDING TO WITNESSES, HE WAS ON A NORTHERLY RUN & WAS CROSSING UNDER THE POWER LINE WHEN A PORTION OF THE LEFT WING HIT A CABLE. THE PLT STATED THAT HE HAD CONDUCTED A GROUND & IN-FLT SURVEY OF THE AREA PRIOR TO STARTING THE SPRAY OPERATION.

## Aircraft

- Registration: [N4025R](https://openairdocs.org/deregistered/N4025R-2014-10-06), registration cancelled 2014-10-06, S/N R1820-020DC, built 1981 (OpenAirDocs)
- Reported make and model: AYRES S2R-R1820
- Registry model: [Ayres S2R-R1820](https://openairdocs.org/model/ayres-s2r-r1820) (registry code 0970215) (OpenAirDocs)
- Registry engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: R1820-020DG
- Airframe hours: 503
- Engines: CURTIS WRIGHT R-1820-97 1200 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: Agan'S Aviation Inc
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, April 12, 1983
- Departed: MUNGER, MI

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial; airplane ratings: single-engine land, multi-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 7,468 total, 503 in this make and model, 7,316 as pilot in command, 150 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 7 knots
- Visibility: 15 statute miles
- Lowest ceiling: none

## 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 19830823044989A](https://openairdocs.org/incident/19830823044989A), Aug 23, 1983: Ayres S2RRESTD, Essex, MI, Destroyed. Aircraft hit wires and crashed during spraying operation.

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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