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Accident description
Last updated: 4 May 2015
Status:Final
Date:Saturday 24 June 1972
Time:23:17 EST
Type: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: Damaged beyond repair
Location:Ponce-Mercedita Airport (PSE) (   Puerto Rico)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:San Juan (unknown airport), 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.

PROBABLE CAUSE: "The presence of an unauthorized vehicle on the runway which caused the pilot to attempt a go-around after touchdown to avoid a collision. This maneuver resulted in an overrotation of the aircraft at too low an airspeed to sustain flight."

Sources:

Official accident investigation report
cover
investigating agency: National Transport Safety Bureau (NTSB) - United States of America
report status: Final
report number: NTSB/AAR-72-34
report released:20 December 1972
duration of investigation: 179 days (and 6 months)
download report: Puerto Rico International Airlines, (PRINAIR), Inc., DeHavilland DH-114, N554PR, Ponce, Puerto Rico, June 24, 1972. (NTSB/AAR-72-34)

investigating agency: National Transport Safety Bureau (NTSB) - United States of America
report status: Final
report number: NTSB/AAR-75-17
report 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)

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