# NTSB CHI04LA225: Cessna A188B, N92806, Mylo, ND, August 12, 2004

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: August 11, 2004, 20:05 local (Aug 12, 2004, 01:05 UTC)
- Place: Mylo, ND
- Coordinates: 48.629714, -99.610862 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.6297&lon=-99.6109&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 28, 2004
- Report: Approved by Office Director
- Parties: FAA-Fargo FSDO
- NTSB case key (mKey): 59931
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI04LA225
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/59931/pdf
- Page: https://openairdocs.org/ntsb/CHI04LA225

## Probable cause

The pilot's failure to maintain clearance from the windmill.  The windmill was a contributing factor.

## 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 - other (contributing factor)
  - clearance - not maintained, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - ground

## Analysis

The airplane was destroyed and the pilot fatally injured when the airplane struck a 25 foot tall windmill during an aerial application flight.  No anomalies were found with respect to the airplane or its systems.  The pilot was reported to have sprayed the field where the accident occurred on previous occasions.

## Factual narrative

On August 11, 2004, about 2005 central daylight time, a Cessna A188B airplane, N92806, piloted by a commercial pilot, was destroyed when it struck a windmill and subsequently impacted the ground while conducting aerial application near Mylo, North Dakota.  The 14 CFR Part 137 flight was operating in visual meteorological conditions without a flight plan.  The pilot was fatally injured.  The flight originated from the Rolla Municipal Airport, Rolla, North Dakota, about 15 minutes before the accident.

A postaccident examination conducted by a Federal Aviation Administration Inspector revealed no pre-impact anomalies with respect to the airplane or its systems.  One of the airplanes wings was separated and came to rest near the base of a windmill.  The approximately 25 foot tall windmill had damage consistent with the airplane impacting it.  The inspector contacted the operator of the airplane and was informed that the accident pilot had sprayed the field where the accident occurred on previous occasions.

An autopsy was performed on the pilot at the North Dakota State Morgue on August 12, 2004.  A Final Forensic Toxicology Fatal Accident Report prepared by the FAA was negative for all tests performed.

## Aircraft

- Registration: [N92806](https://openairdocs.org/deregistered/N92806-2006-05-15), registration cancelled 2006-05-15, S/N 18802071T, built 1975 (OpenAirDocs)
- Reported make and model: Cessna A188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18802071T
- Airframe hours: 6118
- Engines: Continental IO-520 300 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: Rolla Flying Service Inc
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 7, 2004, 254 hours before
- Departed: 06D, ROLLA, ND

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; injuries: fatal; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; last flight review June 30, 2004; seat: center; toxicology performed; flight hours: 7,950 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 50° at 11 knots
- Visibility: 10 statute miles
- Lowest ceiling: 1,400 ft broken
- Temperature: 55 °F, dew point 52 °F
- Altimeter: 30.10 inHg
- Observed at: KDVL

## 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 20040811028079A](https://openairdocs.org/incident/20040811028079A), Aug 11, 2004: Cessna A188B, Mylo, ND, Destroyed, 1 fatal. (-23) The pilot of the single place aircraft began a descent over a barn, house and trees to apply chemical to a field of sunflowers. The field being…

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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