A、A.rotor blades and landing gear
B、B.unloading of passengers
C、C.loading of cargo
D、D.pilot's visibility
更多“An obstruction on a helideck is any object that might present a hazard to the（）.”相关的问题
A、turbocharger malfunction or failure B、crankcase exhauster overload C、overload on the intercooler D、obstruction in the engine cylinders
A、rotor blades and landing gear B、unloading of passengers C、loading of cargo D、pilot's visibility
A、not drop the anchor until the lights are in line B、ensure your ship will NOT block the channel or obstruct the range while at anchor C、drop the anchor immediately as the range lights mark an area free of obstructions D、drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
A、forward and outboard of all obstructions B、forward and inboard of all obstructions C、up and down from the main deck D、to the foremost point on the vessel
A、perform the Heimlich maneuver B、immediately start CPR C、give back blows and something to drink D、allow the person to continue coughing and dislodge the obstruction on his own
A、a floodlight B、two red lights in a vertical line C、a single red light D、any visible lights
A、Proceed on present course and speed since the vessel is stopped and making no way through the water B、Keep clear of the vessel because it has a diver down C、Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance D、Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction
A、an obstruction in an cylinder B、water accumulation in some engine cylinders C、low starting air pressure D、low scavenge air pressure
A、A.check the air filter for obstruction B、B.check for an exhaust leak C、C.check the exhaust temperature D、D.secure the engine
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