- Date
- August 19, 1984, 08:30 local (15:30 UTC)
- Place
- San Joaquin, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N8636SAir Tractor AT-301
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840819042359A
- Case key
- 24378
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The air tractor was on takeoff initial climb and was about 20 ft high when the engine began to backfire. The aircraft settled into the cotton field and rotated about 90 degrees after ground contact. The plt reported that the number one cylinder was found to be split.
Aircraft
- Registration
- N8636S
- Reported as
- Air Tractor AT-301
- Category
- Airplane
- Serial number
- 301-0168
- Airframe hours
- 3,280
- Engine
- P&W R 1340-AN1, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- Schramm Ranches, Inc.
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- 100 hour · November 30, 1983 · 56 hours before
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 60
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Valid Medical--w/ waivers/lim
- Seat
- Center
- Flight hours
- 30,000 total · 5,780 in this make and model · 30,000 as pilot in command · 300 in the last 90 days · 100 in the last 30 days · 8 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 505 statute miles
- Lowest ceiling
- None
- Temperature
- 81 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.