Air Tractor AT-401 N7315S
26 July 1990 · San Joaquin, California, United States · Fatal
Summary
On 26 July 1990 at about 07:30 local time, a Air Tractor AT-401 registered N7315S, operated by Grouleff Aviation, Inc., was involved in an accident near San Joaquin, California, United States. One person was on board and one died. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 07:30
- Classification
- Accident
- Location
- San Joaquin, California, United States
- Coordinates
- 36.5898, -120.1909
- Aircraft
- Air Tractor AT-401
- Registration
- N7315S
- Category
- Airplane
- Engines
- 1
- Operator
- Grouleff Aviation, Inc.
- Operating rule
- Part 137: Agricultural
- Purpose of flight
- Aerial Application
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Night/Dark
- NTSB number
- LAX90DVA07
People
1 person died.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 0 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
THE PILOT EXPERIENCED AN ENGINE FAILURE DURING AERIAL APPLICATION, LANDED IN A FIELD AND THE AIRCRAFT FLIPPED OVER. THE AIRCRAFT REMAINED INTACT WITH NO FIRE. THE PILOT EXPIRED FROM 'POSITIONAL ASPHYXIA.' EXAMINATION OF THE ENGINE REVEALED THE NO. 4 CYLINDER WAS CRACKED AROUND THE COOLING FINS AND CONTINUED THROUGH THE CENTER OF THE SPARK PLUG BOSS. THE ENGINE HAD 7251 TOTAL HOURS AND 339 HOURS SINCE OVERHAUL.
Quoted verbatim from the NTSB record.
Other Air Tractor AT-401 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Jun 1990 | Air Tractor AT-401 | Jerome, Idaho, United States | William M. Walters | No injuries | - |
| 4 Aug 1990 | Air Tractor AT-401 | Tule Lake, California, United States | MacYs Flying Service Inc. | Minor injuries | - |
| 27 Aug 1990 | Air Tractor AT-401 | Jacksonville, Arkansas, United States | Bernie C. Parker | No injuries | - |
| 5 Apr 1990 | Air Tractor AT-401 | Hornersville, Missouri, United States | - | No injuries | - |
| 30 May 1989 | Air Tractor AT-401 | Clarksdale, Mississippi, United States | - | Serious injuries | - |
| 15 Mar 1991 | Air Tractor AT-401 | Avon, Mississippi, United States | Longwood Flying Service, Inc. | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Apr 1990 | Cessna 180 | Soledad, California, United States | - | No injuries | - |
| 10 Oct 1990 | Cessna 150 | Riverside, California, United States | PAR Flight | No injuries | - |
| 17 Apr 1990 | Piper PA46 | Paso Robles, California, United States | Piper Aircraft Corp. | No injuries | - |
| 7 Oct 1990 | Cessna 182M | Bakersfield, California, United States | - | No injuries | - |
| 1 Apr 1990 | Piper J-3 | Creston, California, United States | - | Minor injuries | - |
| 11 Oct 1990 | Bell 47G4 | Merced, California, United States | John W. Myers | Serious injuries | - |