# NTSB SEA86LA154: Cessna A188B, N9779G, Boise, ID, June 27, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: June 27, 1986, 08:40 local (14:40 UTC)
- Place: Boise, ID
- Coordinates: 43.360321, -115.520523 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.3603&lon=-115.5205&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40430
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA86LA154
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40430/pdf
- Page: https://openairdocs.org/ntsb/SEA86LA154

## Sequence of events

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

- In flight collision with object, maneuvering
  - object - utility pole (contributing factor)
  - clearance - not maintained, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
- Nose over, other

## Analysis

THE PURPOSE OF THE FLIGHT WAS TO SPRAY THIRTY GALLONS OF RINSE WATER TO CLEAR THE SPRAY TANKS OF CHEMICAL. WHILE MANEUVERING THE ACFT STRUCK POWER LINES AND THEN STRUCK THE GROUND. THE ACFT SLID FOR ABOUT 20 FEET AND THEN NOSED OVER INVERTED.

## Aircraft

- Registration: N9779G (not matched to a registry record)
- Reported make and model: CESSNA A188B
- Category: Airplane
- Serial number: 18801604T
- Airframe hours: 4024
- Engines: CONTINENTAL IO-520-D 300 horsepower reciprocating
- Damage: Destroyed
- Flight: Other work use, Part 91
- Registered owner: Flight Service, Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: 100 hour, April 25, 1986, 48 hours before
- Departed: BOISE, ID
- Destination: CALDWELL, ID

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; toxicology performed; flight hours: 9,600 total, 1,500 in this make and model, 48 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 64 °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 19860627028159A](https://openairdocs.org/incident/19860627028159A), Jun 27, 1986: Cessna A188B, Boise, ID, Destroyed. The aircraft struck a powerline and impacted the ground. The pilot was on a spray run to clean out the tanks.

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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