4. COMPONENTS REQUIRED
Components of UMARK utilized during the one-hook, short-line recovery are listed in Table 2. Common
equipment used by the ground rigging crew, such as shockproof gloves, goggles, radios, etc., are not included in
UMARK. No additional tools are required for UMARK assembly or rigging of the helicopters.
Table 2. UMARK Components Required
Black/White 30 Ft Heavy Weight Sling
UH-1 Square Wedge Assembly
Black/White 30 Ft Heavy Weight Sling with Bridle
Adjustable Length Tie-Down
Yellow/White 153 Inches (12.75 Ft) Light Weight
Fixed Length Tie-Down (With Snap)
Red/White 208 Inches (17.33 Ft) Light Weight Sling
Fixed Length Tie-Down (Without Snap)
Blue/White 360 Inches (30.0 Ft) Light Weight Sling
Blade Sleeve Assemblies
Lifting Clevis Assembly
Blade Pole Assembly
Sling Link Assembly
Cargo Hook Thimble
Box Link Assembly
5. DISABLED HELICOPTER RIGGING
6. Inspect Disabled Helicopter for Damage
To prevent death or injury to personnel, and/or
damage to the recovery and/or recovered helicopter,
discontinue the disabled recovery procedure if
damage is detected and refer to Work Package 0021 00
of this manual as directed.
a. Check the main rotor assembly, transmission and transmission mounts, and tail-boom for damage in
accordance with applicable technical manual.
b. If damage is determined, discontinue procedure and perform the applicable damaged UH-1 recovery
procedure outlined in Work Package 0021 00 of this manual.
c. If no damage is detected in the preceding step proceed to the next step.
7. Install Main Rotor Rigging (Figures 1 and 2, and Table 3)
Figure 1 details the disabled and recovery helicopter
rigging. Reference numbers in the following text that are
outlined in parentheses [i.e., (1), (2), etc.] refer to Figure 1,
View A and Table 3 item numbers. Refer to Figure 1, View
A and Table 3 for configuration guidance.
a. Rotate the main rotor assembly to standard tie-down position. (Figure 1, View A)