- Date
- July 18, 1987, 11:30 local (16:30 UTC)
- Place
- Swiftown, MS
- Injuries
- 1 minor
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N7310NAir Tractor AT-301
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 27, 1988
- Report
- Approved by Office Director
- FAA report
- 19870718035409A
- Case key
- 31943
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
While spraying cotton, severe vibration was felt throughout the acft & the plt elected a forced ldg. During the flare, the throttle was advanced to raise the nose, & the plt discovered the eng had totally failed. The acft flipped inverted on touch down. An exam of the eng revealed that the crankshaft assy, p/n 270458, had failed at the through bolt location of the front crankshaft cheek.
Aircraft
- Registration
- N7310N
- Reported as
- Air Tractor AT-301
- Category
- Airplane
- Serial number
- 3010649
- Airframe hours
- 459
- Engine
- P&W R-1340-AN1, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Operator
- Pugh City Flying Ser.,Inc.
- Registered owner
- Pugh City Flying Service Inc.
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · May 1, 1987
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
- 55
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Center
- Flight hours
- 14,000 total · 460 in this make and model · 13,943 as pilot in command · 150 in the last 90 days · 12 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 160° at 4 knots
- Visibility
- 6 statute miles
- Lowest ceiling
- None
- Temperature
- 90 °F, dew point 66 °F
- Altimeter
- 30.00 inHg
- Observed at
- GWO, 15 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.
Other investigations on N7310N · 1
Matched to the same aircraft by N-number and date.