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HSAC GULF OF MEXICO HELIDECK MARKING DRAFT RP(6)

时间:2011-11-17 13:32来源:蓝天飞行翻译 作者:admin

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Platform obstructionAiming circle positioned to give a maneuver reference and allow lateral separation from the platform obstacle.Arrows indicate safe aircraft heading to maintain lateral obstacle clearance.Restricted SizeHelideckMarkingH
2.12Wind Socks A platform shall be equipped with at least one wind sock. Whereahelideckmay be subject to a disturbed air flow, then additional wind socks located close to the area should be provided to indicate the surface wind on the area.Consideration should also be given to additional automated/electronic wind speed and direction indicating equipment to provide actual conditions via radio, but not to replace the wind sock, which is mandatory for every platform.A wind sock shall be located in accordance with the required obstacle clearances, so as to indicate the (clear) area wind conditions at the platform and in such a way as to be free from the effects of airflow disturbances caused bynearby objects or rotor downwash. It is often inappropriate to locate the windsockas close to thehelideckas possible, but it shall be visible from a helicopter in flight, in a hover or on the movement area. For toadstoolhelidecks, wind socks may need to be located below deck level.The wind sock shall be illuminated where night flights are anticipated. This lighting should not be a hazard to flight.The recommended size for a windsock is 4 feet in length, with a large opening size of approximately 14 inches and an exit size of 8 inches.
SUMMARY
•The markings are designed to aid pilots in avoiding obstacles when maneuvering over the deck.
•Aim to have RP endorsed at May meeting.
•Education will be required by the helicopter operators to ensure all pilots understand the significance of the markings. Transition arrangement may be required for some issues.
•We lack comprehensive data on the number and type of helideck related incidents and accidents. Can operators provide dis-identified data to HSAC to assist making the case to other industry bodies.
•Where next with API?


 
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