FTW83LA414

NTSB accident investigation · Grumman G-164A · Morse, LA · September 3, 1983

Accident · No injuriesLimited investigationFinal report
Date
September 3, 1983, 08:30 local (13:30 UTC)
Place
Morse, LA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N7699Grumman G-164A
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830903046269A
Case key
21042

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.

Loss of engine power(total) - mech failure/malfTakeoff - initial climb
Eng assembly,blower/impeller/integral supercharger - failure,totalCause
Forced landingLanding
Load jettison - performedPilot in command
Terrain condition - high obstruction(s)Factor
Nose overLanding
Terrain condition - wetFactor
Terrain condition - softFactor

Analysis

During a climbing turn after takeoff, the eng lost power & started smoking lightly. The plt dumped his chemical load & was able to clear a set of power lines. He then made a forced landing in a flooded rice field where the acft nosed over. An investigation revealed that 1 of 3 bearings, pn 12768, on the impeller shaft of the eng blower had failed. This allowed the shaft to shift forward & rub holes in the collector case assembly, which resulted in the eng failure.

Aircraft

Registration
N7699
Reported as
Grumman G-164A
Category
Airplane
Serial number
1004
Airframe hours
5,129
Engine
P&W R-1340-AN1, 600 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Lewis Flying & Maintenance Ser
Airworthiness certificate
Special, Restricted (Special)

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
36
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
5,480 total · 5,000 in this make and model · 5,400 as pilot in command · 130 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Altimeter
29.00 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 N7699 · 1

Matched to the same aircraft by N-number and date.