NTSB Identification: DCA78AA021
14 CFR Part 135 Scheduled operation of ANTILLES AIR B
Aircraft: GRUMMAN G-21A, registration: N7777V----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3128 78/9/2 NR.ST THOMAS,USVI GRUMMAN G-21A CR- 1 0 0 COMMERCIAL AIRLINE TRANSPORT, AGE
TIME - 1021 N7777V PX- 3 7 0 COMMUTER AIR CARRIER 69, 42005 TOTAL HOURS,
DAMAGE-DESTROYED OT- 0 0 0 AIR TAXI-PASSG S-D 5233 IN TYPE, INSTRUMENT
RATED.
DEPARTURE POINT INTENDED DESTINATION
ST CROIX,USVI ST THOMAS,USVI
TYPE OF ACCIDENT PHASE OF OPERATION
ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE
COLLISION WITH GROUND/WATER: CONTROLLED IN FLIGHT: OTHER
PROBABLE CAUSE(S)
PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
FACTOR(S)
PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: INADEQUATE SUPERVISION OF FLIGHT CREW
PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: DEFICIENCY,COMPANY MAINTAINED EQPMT,SERVICES,REGULATION
PERSONNEL - RULES,REGULATIONS,STANDARDS PERSONNEL
MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
REMARKS- STC APPROVED FLT AT 8750LBS MGW.TEST INDICATE MGW APPROX 8150LBS.
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