Narrative:
The no. 3 propeller gearbox failed, causing the prop to separate. A broken propeller blade struck the no. 4 propeller, which also separated. A propeller then crossed under the aircraft slicing through the fuselage, cables, hydraulics and pressure vessel, damaging the no. 2 engine.
The no. 2, 3 and 4 engines were shut down. An emergency landing was carried out at Aruba with no brakes, 10deg flaps and limited flight controls.
PROBABLE CAUSE: "The in-flight loss of the nos 3 and 4 propellers and gearboxes for undetermined reasons. The failed components were not recovered from the Caribbean sea."
Forced landing on runway
» NTSB
» Scramble Vol.12, nr. 05
accident date: 14-07-1990
type: Lockheed L-188CF Electra
registration: N4465F
| Status: | Accident investigation report completed and information captured |
| Date: | Saturday 14 July 1990 |
| Time: | 16:27 |
| Type: |  Lockheed L-188CF Electra |
| Operator: | TPI International Airways |
| Registration: | N4465F |
| MSN: | 1096 |
| First flight: | 1959-09-29 (30 years 10 months) |
| Engines: | 4 Allison 501-D13 |
| Crew: | Fatalities: 0 / Occupants: 3 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Aruba-Reina Beatrix Airport (AUA) ( Aruba)
|
| Phase: | En route (ENR) |
| Nature: | Cargo |
| Departure airport: | Aruba-Reina Beatrix Airport (AUA/TNCA), Aruba |
| Panama City-Tocumen International Airport (PTY/MPTO), Panama |
The no. 3 propeller gearbox failed, causing the prop to separate. A broken propeller blade struck the no. 4 propeller, which also separated. A propeller then crossed under the aircraft slicing through the fuselage, cables, hydraulics and pressure vessel, damaging the no. 2 engine.
The no. 2, 3 and 4 engines were shut down. An emergency landing was carried out at Aruba with no brakes, 10deg flaps and limited flight controls.
Probable Cause:
PROBABLE CAUSE: "The in-flight loss of the nos 3 and 4 propellers and gearboxes for undetermined reasons. The failed components were not recovered from the Caribbean sea."
Classification:
Prop/turbine blade separationForced landing on runway
Sources:
» ICAO Adrep Summary 3/94 (#79)» NTSB
» Scramble Vol.12, nr. 05
Photos
accident date: 14-07-1990
type: Lockheed L-188CF Electra
registration: N4465F
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 Aruba-Reina Beatrix Airport to Panama City-Tocumen International Airport as the crow flies is 1086 km (679 miles).
Distance from Aruba-Reina Beatrix Airport to Panama City-Tocumen International Airport as the crow flies is 1086 km (679 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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