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Last updated: 25 June 2019
Status:Final
Date:Saturday 14 November 1970
Time:08:03
Type:Silhouette image of generic CAT model; specific model in this crash may look slightly different
Steward-Davis Super Catalina (PBY-5A)
Operator:Antilles Air Boats
Registration: N5584V
C/n / msn: 1846
First flight:
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 2
Aircraft damage: Damaged beyond repair
Location:Christiansted Harbor SPB, Saint Croix (SSB) (   U.S. Virgin Islands)
Phase: Landing (LDG)
Nature:Unknown
Departure airport:Saint Thomas Island SPB (SPB), U.S. Virgin Islands
Destination airport:Christiansted Harbor SPB, Saint Croix (SSB), U.S. Virgin Islands
Narrative:
The Catalina's undercarriage collapsed on landing. The upper end of the left main gear hydraulic actuator had failed. It been overdue for overhaul by 801 hours.

The airplane was a former US Navy Consolidated PBY-5A Catalina that had been converted by Steward-Davis Inc. as a Super Catalina with upgraded Wright Cyclone R-2600 engines, a modified tail fin, a faired nose and other modifications.

Probable Cause:

PROBABLE CAUSES:
airframe - landing gear: normal retraction/extension assembly
airframe - landing gear: emergency/extension assembly
miscellaneous acts,conditions - fatigue fracture
miscellaneous acts,conditions - corroded/corrosion
personnel - maintenance,servicing,inspection: improper maintenance (maintenance personnel)

Sources:
» NTSB


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