- Date
- August 14, 1990, 11:45 local (16:45 UTC)
- Place
- Corning, AR
- Injuries
- 1 serious
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N4433SAir Tractor AT-301
- Weather
- Visual (VMC) · Day
- Status
- Completed · report November 23, 1992
- Report
- Approved by Office Director
- FAA report
- 19900814038289A
- Case key
- 22941
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Blockage of the carburetor air intake by a collapsed air induction hose due to improper maintenance by an unknown party.
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
A total power loss occurred shortly after takeoff and the pilot performed a forced landing in a muddy rice/bean field. After landing the airplane bounced once and nosed over. FAA inspectors found that the air induction hose was collapsed and that a 60 degree aluminum elbow was loose from its clamps, blocking the air entrance to the carburetor. The operator subsequently test run the engine finding no additional discrepancies.
Aircraft
- Registration
- N4433S
- Reported as
- Air Tractor AT-301
- Category
- Airplane
- Serial number
- 301-0093
- Engine
- P&W R1340-S3H1, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Operator
- Rex & Tommy Harmon, doing business as Harmon Bros Flying Service
- Registered owner
- Mand W Flying Service Inc
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · May 21, 1990 · 144 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
- 53
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Center
- Flight hours
- 13,000 total · 605 in this make and model · 160 in the last 90 days · 100 in the last 30 days · 4 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- Calm
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 84 °F, dew point 70 °F
- Altimeter
- 30.00 inHg
- Observed at
- JBR, 40 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 N4433S · 1
Matched to the same aircraft by N-number and date.