Accident description
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| Status: | Final |
| Date: | 24 JUN 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: | Written off |
| Airplane fate: | Written off (damaged beyond repair) |
| Location: | Ponce-Mercedita Airport (PSE) (Puerto Rico)
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| Phase: | Approach (APR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | San Juan (unknown airport), Puerto Rico |
| 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: "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
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