# NTSB DEN89DTE04: Cessna A188B, N9335R, Wiggins, CO, September 4, 1989

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Final report
- Date: September 4, 1989, 10:30 local (16:30 UTC)
- Place: Wiggins, CO
- Location: 40.2284° N, 104.0728° W: Placed by OpenAirDocs: center of Wiggins, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2284&lon=-104.0728&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 24, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 17553
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN89DTE04
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17553/pdf
- Page: https://openairdocs.org/ntsb/DEN89DTE04

## Probable cause

THE PILOT FAILED TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT AND COLLIDED WITH A STANDPIPE WHICH SEVERED FOUR FEET OF THE RIGHT WING, RESULTING IN LOSS OF CONTROL INFLIGHT AND SUBSEQUENT COLLISION WITH THE TERRAIN.

## 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
  - visual lookout - not maintained, pilot in command (cause)
- Loss of control - in flight, maneuvering - aerial application
- In flight collision with terrain/water, descent - uncontrolled

## Aircraft

- Registration: [N9335R](https://openairdocs.org/deregistered/N9335R-1989-10-16), registration cancelled 1989-10-16, S/N 18802242 (OpenAirDocs)
- Reported make and model: CESSNA A188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs)
- Category: Airplane
- Serial number: 18802242
- Airframe hours: 2582
- Engines: CONTINENTAL IO-520-D 300 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: Associated Aerial Applicators
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, April 1, 1989, 83 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; toxicology performed; flight hours: 873 total, 362 in this make and model, 780 as pilot in command, 150 in the last 90 days, 60 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 81 °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 19890904033269A](https://openairdocs.org/incident/19890904033269A), Sep 4, 1989: Cessna A188B, Wiggins, CO, Destroyed, 1 fatal. Struck a 20 foot high irrigation standpipe during a spray run. Aircraft nosed up and crashed.

## Other investigations on N9335R (1)

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.

- [NTSB LAX81DVA14](https://openairdocs.org/ntsb/LAX81DVA14), Dec 5, 1980: Cessna 188 (N9335R), Huron, CA, substantial damage

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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