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Accident description
Last updated: 22 October 2017
Status:Final
Date:Saturday 24 June 1972
Time:23:17 EST
Type:Silhouette image of generic HERN model; specific model in this crash may look slightly different
de Havilland DH-114 Prinair Heron 2B
Operator:Prinair
Registration: N554PR
C/n / msn: 14085
First flight: 1955
Total airframe hrs:11364
Engines: 4 Continental IO-520E
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 3 / Occupants: 18
Total:Fatalities: 5 / Occupants: 20
Airplane damage: Destroyed
Airplane fate: Written off (damaged beyond repair)
Location:Ponce-Mercedita Airport (PSE) (   Puerto Rico)
Crash site elevation: 9 m (30 feet) amsl
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:San Juan-Isla Verde International Airport (SJU/TJSJ), Puerto Rico
Destination airport:Ponce-Mercedita Airport (PSE/TJPS), Puerto Rico
Flightnumber: 191
Narrative:
The Heron was over-rotated, lost control and crashed while the crew were executing a go-around after trying to land on runway 29.

Probable Cause:

PROBABLE CAUSE: "The National Transportation Safety Board determines that the probable cause of the accident was the loss of directional control during a go-around from a landing attempt. Control was lost when the aircraft was overrotated at too low an airspeed to sustain flight. The crew's reasons for rejecting the landing are not known."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 3 years and 6 months
Accident number: NTSB/AAR-75-17
Download report: Final report

Classification:
Loss of control

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from San Juan-Isla Verde International Airport to Ponce-Mercedita Airport as the crow flies is 76 km (47 miles).

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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