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Accident description
Last updated: 25 June 2017
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
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
The Heron was over-rotated, lost control and crashed while the crew were executing a go-around.

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:
investigating agency: National Transport Safety Bureau (NTSB) - United States of America
status: Final
number: NTSB/AAR-75-17
released:17 December 1975
duration of investigation: 3 years and 6 months
download report: Puerto Rico International Airlines (PRINAR), Inc., DeHavilland DH-114 N554PR, Ponce, Puerto Rico, June 24, 1972. (NTSB/AAR-75-17)

Loss of control



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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).

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