Grand Isle 43Q Airport
Aircraft Accident/Incident Report

Grand Isle B43Q
Thursday, January 27, 1983 8:05 CST

NTSB Narrative Summary Released at Completion of Accident

DUE TO THE LOCATION OF A GAS SEPARATOR, THE PLT STARTED TO TAKEOFF FROM AN OIL RIG PLATFORM WITH A LEFT CROSS- WIND AT APRX 30 KTS, GUSTING 35 TO 40 KTS. AFTER LIFTING OFF TO A HOVER, WIND GUSTS WERE ENCOUNTERED. THE PLT REPORTED THAT THE ACFT TURNED 10 TO 15 DEG LEFT & BANKED APRX 10 DEG TO THE RIGHT. HE REPORTED THAT THE GUSTS LET UP SLIGHTLY & THE ACFT STABILIZED (LEVEL) MOMENTARILY, THEN ADDITIONAL GUSTS WERE ENCOUNTERED. HE STATED THAT THE ACFT ROLLED APRX 15 DEG RIGHT WHEN HE RAN OUT OF LEFT CYCLIC. REPORTEDLY, HE LOWERED THE COLLECTIVE, BUT NOT BEFORE DYNAMIC ROLLOVER COULD BE AVOIDED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 1/27/1983
Event Day of the Week Thursday
Time of Event 805
Event Time Zone Central Standard Time
Event City GRAND ISLE B43Q
Event State GULF OF MEXICO
Event Country --
Zipcode of the event site
Event Date Year 1983
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GRAND ISLE 43Q
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 808 Central Standard Time
Direction of event from weather observation facility (degrees) 345
Weather Observation Facility ID LEV
Elevation of weather observation facility 12
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation CST
Lighting Conditions Day
Lowest Ceiling Height 700
Lowest Non-Ceiling Height 700
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 5
Air Temperature at event time (in degrees celsius) 11
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 310
Variable Wind Indicator Unknown
Wind Speed (knots) 30
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 35
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None 2
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1163
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21827
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5012T
NTSB Number FTW83LA099
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 206L-1
Aircraft Series Identifier 206L-1
Aircraft Serial Number 45197
Certified Max Gross Weight 4250
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 7
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Jan 17 1983 12:00AM
Airframe hours since last inspection 39
Airframe Hours 4965
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name PETROLEUM HELICOPTERS
Aircraft Owner Street Address P.O. BOX 90808
Aircraft Owner City LAFAYETTE
Aircraft Owner State LA
Aircraft Owner Country
Aircraft Owner Zipcode 70509
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger/Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 757
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code
Destination City WEST DELTA 68U
Destination State GM
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --