- Date
- April 15, 1991, 10:30 local (14:30 UTC)
- Place
- Clewiston, FL
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N8386KGrumman G-164B
- Weather
- Visual (VMC) · Day
- Status
- Completed · report January 25, 1993
- Report
- Approved by Office Director
- FAA report
- 19910415014329A
- Case key
- 32851
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
Disintegration of the impeller for undetermined reasons resulting in the total loss of engine power necessitating the forced landing.
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 maneuvering at an alt of 35 ft AGL, the plt stated that the eng lost all power. He landed the acft in a field & after touchdown, the acft nosed over & came to rest inverted. Exam of the eng revealed that the impeller was disintegrated with portions located in the no. 7 cylinder ass'y. no determination could be made as to the reason for the impeller failure. The impeller ass'y was overhauled 912 hours earlier.
Aircraft
- Registration
- N8386K
- Reported as
- Grumman G-164B
- Category
- Airplane
- Serial number
- 6788
- Airframe hours
- 4,750
- Engine
- P&W R1340-AN1, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Operator
- Airwork Enterprises Of Fla,Inc
- Registered owner
- Airwork Enterprises Of Fla,Inc
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- 100 hour · February 19, 1991 · 21 hours before
- Airport
- NONE · Tribritton
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
- 39
- Certificates
- Flight instructor, Commercial
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Flight hours
- 7,800 total · 6,000 in this make and model · 7,800 as pilot in command · 200 in the last 90 days · 80 in the last 30 days · 2 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 90° at 2 knots
- Visibility
- 6 statute miles
- Lowest ceiling
- None
- Temperature
- 81 °F
- Altimeter
- 30.00 inHg
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 N8386K · 2
Matched to the same aircraft by N-number and date.