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NTSB Report
April 5, 1984 · Aerospatiale AS 355F · N5791Z
W Cameron 540
Overview
Report Status
Preliminary report
Event Type
Accident
Date
April 5, 1984
Injury Outcomes
4 injuries (4 fatalities)
Location
W Cameron 540
Aircraft
Aerospatiale AS 355F
Tail Number
N5791Z
Operator
Petroleum Helicopters
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
FTW84FA189
WHILE THE PLT WAS TAKING OFF FROM AN UNMANNED RIG, THE TAIL SECTION OF THE HELICOPTER CONTACTED A ROTATING BEACON SUPPORT BRACKET ON TOP OF A CRANE STRUCTURE. THE CRANE STRUCTURE WAS LOCATED BELOW THE ELEVATION OF THE LANDING PAD. THE HELICOPTER THEN CRASHED INTO THE SURROUNDING WATER.
Full Narrative
WHILE THE PLT WAS TAKING OFF FROM AN UNMANNED RIG, THE TAIL SECTION OF THE HELICOPTER CONTACTED A ROTATING BEACON SUPPORT BRACKET ON TOP OF A CRANE STRUCTURE. THE CRANE STRUCTURE WAS LOCATED BELOW THE ELEVATION OF THE LANDING PAD. THE HELICOPTER THEN CRASHED INTO THE SURROUNDING WATER.
Flight
Event TypeAccident
Event Time00:10 UTC
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAerospatiale AS 355F
Tail NumberN5791Z
Aircraft CategoryHeli
DamageDestroyed
OperatorPetroleum Helicopters
Operating RulePart 135
Engines2
Engine TypeTurboshaft
Engine DetailsAllison · 250-C20F · Turboshaft · 420
Seats6
People & Injuries
Injury Summary4 injuries (4 fatalities)
Fatal4
Serious0
Minor0
Uninjured0
Total4
Crew 1Age 51 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind300° @ 10 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point54 / 0 C
Altimeter29.00 inHg
Observation Time00:00
Weather SourceWFAC