MIA84FA051

NTSB accident investigation · Grumman C-164 · South Bay, FL · December 28, 1983

Accident · FatalField investigationFinal report
Date
December 28, 1983, 18:05 local (23:05 UTC)
Place
South Bay, FL
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N647UGrumman C-164
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19831228064909A
Case key
30961

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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 control - in flightManeuvering - aerial application
Aircraft weight and balance - exceededPilot in commandFactor
Weather condition - gustsFactor
Weather condition - tailwindFactor
Airspeed - inadequatePilot in commandCause
Stall/mush - inadvertentPilot in command
In flight collision with terrain/waterManeuvering - aerial application

Analysis

As the acft initiated a turn to start dusting, it was observed to lose altitude rapidly & collide with the ground. The acft was 470 lbs over max gross takeoff weight. The area was affected by gusty winds from the south, & the plt's initial turn to the field was made to the north(downwind). Wx conditions were also conducive to low level windshear.

Aircraft

Registration
N647U
Reported as
Grumman C-164
Category
Airplane
Serial number
383
Airframe hours
3,211
Engine
P&W R-985, 450 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Aerial application · Part 137
Registered owner
Lee Aviation, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · December 9, 1983 · 20 hours before
Departed
S. Bay Growers, FL

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
34
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Front
Toxicology
Performed
Flight hours
7,000 total · 600 in this make and model · 100 in the last 90 days · 20 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 15 knots, gusting 20
Visibility
15 statute miles
Lowest ceiling
2,500 ft broken
Temperature
79 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.