# NTSB DEN84LA197: Cessna T188C, N9952J, Philip, SD, June 25, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 25, 1984, 13:00 local (19:00 UTC)
- Place: Philip, SD
- Coordinates: 44.04087, -101.659049 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.0409&lon=-101.6590&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16414
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA197
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16414/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA197

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - weather condition - rain (contributing factor)
  - directional control - not maintained, pilot in command (cause)
- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - crop

## Analysis

THE PLT LOST CONTROL OF THE ACFT DURING TAKEOFF GROUND RUN WHEN HIS VISION WAS OBSCURED BY WATER WHICH WAS SPRAYED ON THE WINDSHIELD FROM A LIGHT RAIN SHOWER.

## Aircraft

- Registration: [N9952J](https://openairdocs.org/deregistered/N9952J-2013-06-05), registration cancelled 2013-06-05, S/N T18803881T, built 1981 (OpenAirDocs)
- Reported make and model: CESSNA T188C
- Registry model: [Cessna T188C](https://openairdocs.org/model/cessna-t188c) (registry code 2073012) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: T18803881T
- Engines: CONTINENTAL TSIO-520-T 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Donald Ferguson
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Unknown, March 26, 1984
- Airport: OSD6, Oasis Ranch, runway 32, 2,500 × 25 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 3,058 total, 365 in this make and model, 136 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 160° at 9 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Altimeter: 29.00 inHg
- Observed at: PHP, 22 nm away

## 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 19840625026809A](https://openairdocs.org/incident/19840625026809A), Jun 25, 1984: Cessna T188C, Philip, SD, Substantial damage. Due to rain on windshield obscuring visibility aircraft departed runway into adjoining field.

## Other investigations on N9952J (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 SEA93LA132](https://openairdocs.org/ntsb/SEA93LA132), Jun 17, 1993: Cessna T-188C (N9952J), Augusta, MT, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN AIRSPEED AND TERRAIN CLEARANCE WHILE MANEUVERING ON AN AERIAL APPLICATION FLIGHT. A FACTOR RELATING TO THE ACCIDENT WAS THE PILOT'S DIVERTED ATTENTION.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.