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Accident description
Last updated: 14 December 2017
Status:Final
Date:Tuesday 2 May 1989
Time:20:30
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47A-90-DL (DC-3)
Operator:Monroe County Mosquito Control District
Registration: N28889
C/n / msn: 20520
First flight: 1944
Total airframe hrs:10317
Engines: 2 Pratt & Whitney R-1830
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 2 / Occupants: 2
Airplane damage: Destroyed
Airplane fate: Written off (damaged beyond repair)
Location:near Summerland Key, FL (   United States of America)
Phase: Maneuvering (MNV)
Nature:Agricultural
Departure airport:Marathon-Florida Keys Airport, FL (MTH/KMTH), United States of America
Destination airport:Marathon-Florida Keys Airport, FL (MTH/KMTH), United States of America
Narrative:
Crashed into water after striking 40 feet high mangrove trees during a mosquito spray operation.

Probable Cause:

PROBABLE CAUSE: "The failure of the pilot-in-command to assure proper altitude and clearance was maintained above the terrain and trees. The trees and light condition at dusk were contributing factors."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 12 months
Accident number: MIA89GA144
Download report: Summary report

Classification:
Controlled Flight Into Terrain (CFIT) - Ground

Sources:
» ICAO Adrep Summary 5/90 (#19)


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This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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