# NTSB CHI87DER08: Cessna T188C, N9674J, Olivia, MN, July 8, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 8, 1987, 12:00 local (17:00 UTC)
- Place: Olivia, MN
- Coordinates: 44.770465, -94.989746 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.7705&lon=-94.9897&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 29, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13589
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI87DER08
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13589/pdf
- Page: https://openairdocs.org/ntsb/CHI87DER08

## Sequence of events

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

- In flight collision with terrain/water, maneuvering - aerial application
  - airspeed - not maintained, pilot in command (cause)
  - load jettison - performed, pilot in command

## Analysis

DURING A 180 DEGREE TURN FROM COMPLETION OF A SPRAY SWATH THE AIRCRAFT BEGAN TO SINK. THE PILOT DUMPED HIS LOAD AND ADDED POWER, HOWEVER WAS UNABLE TO ARREST SINK. WHEN IT WAS OBVIOUS THAT IMPACT WITH THE GROUND WAS IMMINENT, THE PILOT REDUCED POWER AND INITIATED A LEFT TURN TO AVOID TREES. THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED, HOWEVER THE PILOT RECEIVED NO INJURIES.

## Aircraft

- Registration: [N9674J](https://openairdocs.org/deregistered/N9674J-1999-01-08), registration cancelled 1999-01-08, S/N T18803834T (OpenAirDocs)
- Reported make and model: CESSNA T188C
- Registry model: [Cessna T188C](https://openairdocs.org/model/cessna-t188c) (registry code 2073012) (OpenAirDocs)
- Category: Airplane
- Serial number: T18803834T
- Airframe hours: 1478
- Engines: CONTINENTAL TSIO-520-T 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Donner Aerial Spraying Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, April 28, 1987, 111 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 5,139 total, 2,985 in this make and model, 4,740 as pilot in command, 132 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 45° at 5 knots, gusting 8
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point -0 °F
- Altimeter: 29.00 inHg

## 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 19870708032639A](https://openairdocs.org/incident/19870708032639A), Jul 8, 1987: Cessna T188C, Olivia, MN, Substantial damage. Turn to the left. Downwind side. Started to loose lift. Impacted the ground in a straight and level altitude.

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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