Helicopter guidelines for land seismic & helirig operations - OGP

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International Association of Oil & Gas Producers Operating Conditions (complete one for each block) Project Name Weather Elevation Feet MSL Prevailing wind Direction Avg. wind speed (knots) Mean min temp (∫C) Mean max temp (∫C) Remarks Minimum Median (this value is required) Maximum Helicopter main staging area Location (lat/long) Security/Proximity to population centre Obstacles and power lines in vicinity Size of helicopter landing/parking area Surface of landing/parking area (Dust, snow, mud, prepared surface etc) Proximity to buildings, fuel storage etc FATO/Rejected take off area size Approach and departure lane restrictions and slope Helipad lighting and maintenance work lights On site maintenance facilities Site accommodation Crew Sleeping Quarters (Hotel or on site) Fuel Supplier Name Fuel Storage/Delivery method (tanker, buried tanks, bladder, drums?) Fuel Filtration/Quality Control Flight Following System (Satellite/Radio etc) Primary and Alternate Communication Planned Communication Time interval Line helipads Minimum size Surface Drop zones Minimum size Local aviation facilities Nearest Airport Name and Identifier Distance from Main Staging Area Air Traffic Services/Control on site Navaids; VOR, NDB, ILS, DME, GPS Services (Crash, fire, rescue, hangar) Terrain Block Name Terrain Gradient (m/km) % of block Surface % of block Flat (< 10) Water Gentle (11-50) Desert Undulating (51-150) Scrub Steep (>150) Pastoral Total (must be100) Wooded Tree height Jungle Canopy height Total Hostile Environment (%) 38 © OGP
Helicopter guidelines for land seismic & helirig operations Notes: The international Civilian Aviation Organization (ICAO) defines a hostile environment as an environment in which: 1. A safe forced landing canot be accomplished because the surface is inadequate (inadequate surface would include moderate & steep slopes and trees); or 2. The helicopter occupants cannot be adequately protectedfrom the elements; or 3. Search and rescue response capability is not provided consistent with anticipated exposure; or 4. There is an unacceptable risk of endangering persons or property on the ground. ICAO definition of a ‘safe forced lainding’: An ìunavoidable landing or ditching with a reasonable expenctance of no injury to persons in the aircraft or on the surface. Aircraft and crew details (complete one for each block) Block Name Aircraft Type Registration Expected hours to be flown on task Hazards None Few Moderate Many Remarks Powerlines Towers/Masts Known bird Activity Known aircraft activity Urban areas Farm houses Airstrips Blasting areas Restricted/Danger areas Politically sensitive areas Other hazards/comments: Expected hours to be flown on task Total airframe time @ start of task Engine hours remaining (L/R) Continuing airworthiness programme in place? Any major components on time extensions? List major components that will expire during task Projected maintenance during task Number of pilots on each flight Number of additional crew on each flight Number of pilots on site Local security officer/observer required? Number of maintenance personnel on site Remarks © OGP 39
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Helicopter guidelines for land seismic & helirig operations - OGP

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