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Aviation Info

Air lifting by helicopter

Short-distance air rescue
Principle of short-distance lifting

Secured on the hard point on the belly (by hook)

Payload: 4,000lbs

Load balancing is the key to safe lifting

Introduction to short-distance lifting setup

Short-distance lifting setup

包含八字單套結、八字雙套結、八字方向結、八字收繩法、釣掛機內的確保鈎環、鈎掛機腹 O 型環加鈎環、置於機腹下方可吊掛 25-30 米繩索、吊掛救援器材之鈎環等圖解

Complete setup for short-distance lifting

Complete setup for short-distance lifting pictures

Figure-eight knot

Figure-eight knot

Figure-eight bowline pictures

 

Figure-eight half hitch

Figure-eight half hitch pictures

 

Directional figure-eight knot

Directional figure-eight knot pictures

Components of short-distance lifting assembly

(1) Select the right rope for air lifting:

Specifications of Kernmantle rope

  1. Specifications of Kernmantle rope
  2. Material: inner and outer nylon layers around the core of DryCore(rope core)
  3. Size: 12.mm in diameter with 5% of tolerance; 200mor longer per rope
  4. Features: tension 38KN or more; the elongation under 300lbs of load must be <3%.
  5. Weight: 106g/m or lower
  6. Note: the certification shall be provided by or the rope shall bear the mark of one of CE, EN, UL, NFPA or UIAA.

 

(2) D hook:

  1. Type: D-shaped hook
  2. Size: opening at 2.3cm or wider with manual safety buckle
  3. Material: stainless steel
  4. Performance: capable of taking a tension of 2,800kgor more
  5. Note: the certification shall be provided by or the rope shall bear the mark of one of CE, EN, UL, NFPA or UIAA

 

(3) O-hook:

  1. Material: forged steel
  2. Size: inner diameter 7.5cm, 1.5cm thick, tolerance: 5%
  3. Weight: 11oz, tolerance 5%
  4. Performance capable of taking a tension of 38,000lbs or more