Détails:
The pilots lost aileron control shortly after takeoff while in a left turn. The left turning tendencies of the aircraft could not be corrected and the aircraft crash landed in the Caribbean Sea. Post crash inspection of the aircraft revealed the left aileron control cable was trapped within a bundle of electrical wires and cables. This occurred when an electrical cable from a reverse current relay in the right wing to the main junction box in the left cabin area at the center wing was changed and secured. The aileron cable chafed through the protective cover of the large electrical cable. When contact was made with the metal electrical cable the aileron cable arched at several points and separated at two different points causing a loss of aileron control.
PROBABLE CAUSES:
electrical system,electric wiring..incorrect
aircraft handling..not possible..pilot in command
maintenance,service of aircraft/equipment..improper..company maintenance personnel
electrical system,electric wiring..chafed
electrical system,electric wiring..arcing
flt control syst,aileron control..separation
flt control syst,aileron control..loss,total
| Statuts: | Accident investigation report completed and information captured |
| Date: | mardi 28 octobre 1986 |
| Heure: | 09:15 |
| Type/Sous-type: |  Grumman G-73 Mallard |
| Compagnie: | Virgin Islands Seaplane Shuttle |
| Immatriculation: | N604SS |
| Numéro de série: | J-4 |
| Année de Fabrication: | 1946 |
| Moteurs: | 2 Pratt & Whitney R-1340 |
| Equipage: | victimes: 0 / à bord: 2 |
| Passagers: | victimes: 1 / à bord: 13 |
| Total: | victimes: 1 / à bord: 15 |
| Dégats de l'appareil: | Perte Totale |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | de Christiansted, St Croix ( Vierges américaines)
|
| Phase de vol: | En vol (ENR) |
| Nature: | Transport de Passagers Nat. |
| Aéroport de départ: | Christiansted Harbor SPB, Saint Croix (SSB), Vierges américaines |
| Saint Thomas Island SPB (SPB), Vierges américaines |
The pilots lost aileron control shortly after takeoff while in a left turn. The left turning tendencies of the aircraft could not be corrected and the aircraft crash landed in the Caribbean Sea. Post crash inspection of the aircraft revealed the left aileron control cable was trapped within a bundle of electrical wires and cables. This occurred when an electrical cable from a reverse current relay in the right wing to the main junction box in the left cabin area at the center wing was changed and secured. The aileron cable chafed through the protective cover of the large electrical cable. When contact was made with the metal electrical cable the aileron cable arched at several points and separated at two different points causing a loss of aileron control.
Probable Cause:
PROBABLE CAUSES:
electrical system,electric wiring..incorrect
aircraft handling..not possible..pilot in command
maintenance,service of aircraft/equipment..improper..company maintenance personnel
electrical system,electric wiring..chafed
electrical system,electric wiring..arcing
flt control syst,aileron control..separation
flt control syst,aileron control..loss,total
Sources:
» NTSBPhotos
Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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