External Sling Load Operations Flashcards

1
Q

External Load operations:

-High density loads:

A
  • Best stability

- Can usually be flown at cruise speeds and in some cases, up to Vne.

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2
Q

External Load Operations:

-Low density Loads

A
  • Least stable
    • Airspeed is limited by amount of clearance which can be maintained between the load and the underside of the helicopter.
    • Load will tend to trail aft as speed is increased.
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3
Q

External load operations:

-Aerodynamic loads

A
  • Unstable until load streamlining occurs
    • Inherent dangers from lift capabilities
    • Lift must be eliminated prior to being lifted
    • Airspeed and bank angles will be governed by the reactions of the load.
    • Drogue chutes shall be used to streamline the load.
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4
Q

External load operations:

-Two distinct phases of takeoff:

A
  • Lifting the load to a hover
    • Slow vertical ascent until sling becomes taut and centered
    • Aircrew coordination to ensure aircraft does not drift from over the load
    • Lifted to appropriate hover height and power check performed
  • Takeoff
    • Smooth acceleration and takeoff
    • Sufficient power is applied (not to exceed limits)
    • Safe climb altitude = load is unquestionably clear of the highest barrier.
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5
Q

3 categories of external loads:

A

-High density, Low density, Aerodynamic

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