Cessna A188B N21861
2 September 1993 · Three Forks, Montana, United States · Serious injuries
Summary
On 2 September 1993 at about 22:12 local time, a Cessna A188B registered N21861, operated by Ferguson, William R., was involved in an accident near Three Forks, Montana, United States. One person was on board and one was seriously injured. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 22:12
- Classification
- Accident
- Location
- Three Forks, Montana, United States
- Coordinates
- 45.9099, -111.4303
- Aircraft
- Cessna A188B
- Registration
- N21861
- Category
- Airplane
- Engines
- 1
- Operator
- Ferguson, William R.
- Operating rule
- Part 137: Agricultural
- Purpose of flight
- Aerial Application
- Phase of flight
- Not recorded
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA93LA188
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
Probable cause
THE PILOT'S FAILURE TO MAINTAIN FLYING SPEED RESULTING IN A STALL/MUSH. THE HIGH DENSITY ALTITUDE AND THE PILOT'S FAILURE TO COMPLETELY JETTISON HIS LOAD WERE FACTORS.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
WHILE MANEUVERING IN PREPARATION FOR A SPRAY RUN THE AIRCRAFT BEGAN TO SETTLE. THE PILOT APPLIED FULL POWER BUT JETTISONED ONLY 30 TO 40 OF THE REMAINING 100 TO 110 GALLONS OF HIS CHEMICAL LOAD. A DENSITY ALTITUDE OF APPROXIMATELY 6000 FEET EXISTED AT THE TIME. THE PILOT REPORTED NO MECHANICAL MALFUNCTION WITH THE AIRCRAFT AT THE TIME OF THE EVENT.
Quoted verbatim from the NTSB record.
Other Cessna A188B accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 Jun 1993 | Cessna A188B | Marengo, Ohio, United States | Carl R. Fisher JR | Fatal | 1 |
| 12 Oct 1993 | Cessna A188B | Wall, South Dakota, United States | - | No injuries | - |
| 25 Jun 1993 | Cessna A188B | Edgard, Louisiana, United States | - | Minor injuries | - |
| 9 Sep 1993 | Cessna A188B | Ringling, Montana, United States | Russaero Flying Service | No injuries | - |
| 8 Jul 1993 | Cessna A188B | Temple, Texas, United States | - | No injuries | - |
| 15 Sep 1993 | Cessna A188B | Waterville, Washington, United States | Johnson Air Service | Fatal | 1 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Feb 1993 | Piper PA-18-150 | Winnett, Montana, United States | Flint, Gary LEE | No injuries | - |
| 22 Sep 1993 | Cessna 185A | De Borgia, Montana, United States | McAdams, John A. | Fatal | 2 |
| 26 Mar 1993 | Cessna 150 | Laurel, Montana, United States | Listoe, Merle R. | No injuries | - |
| 8 Apr 1993 | Cessna 182M | Hamilton, Montana, United States | Calderwood; McMullin; Smith | Minor injuries | - |
| 14 Apr 1993 | Cessna 172K | Pony, Montana, United States | Big Sky Flying Club, Inc | No injuries | - |
| 15 Apr 1993 | Cessna T-210N | Laurel, Montana, United States | Lynch Flying Service | Minor injuries | - |