Load Second Helicopter Tail First. - TM-55-1520-238-S0138

TM 55-1520-238-S

i. Install Chains.

Install safety chains.

CAUTION

j. Lock Tail Wheel. Remove tail wheel lock

safety pin. Lift swivel lock lever to engage

As helicopter moves up the ramp

tail wheel swivel lock (fig. 214). Push

tail first, under-belly clearance is

wheel sideways to check lock engagement.

critical.

The first critical clearance encoun-

A locked tail wheel will not swivel.

tered will be the gun cage to ground

k. Remove Tail Wheel Steering Bar and

clearance as the tail of the helicop-

Winching Yoke. With tail wheel cen-

ter moves up the ramp. Adjust shor-

tered, loosen yoke studs from tail wheel

ing under main wheels as required

axle and remove yoke (fig. 214).

to maintain clearance.

The second critical clearance is the

l. Release Brakes. Instruct brakeman to

dopler antenna fairing to the ramp

release helicopter brakes and dismount he-

crest. Maintain clearance by raising

licopter.

cargo aircraft ramp (after helicopter

main wheels are firmly on ramp).

239.2 Load Four Main Rotor Blades. Position two

g. Winch Helicopter. Winch helicopter

main rotor blade rack sets holding two blades each on

onto approach shoring and up cargo ramp.

cargo floor under first helicopter.

Stop helicopter when the main wheels are

239.3 Load Second Helicopter Tail First.

firmly on the ramp. Raise ramp to allow

adequate ramp crest clearance. Continue

winching until the helicopter is in final posi-

a. Place Approach Shoring. Place the built

tion. (fig 242).

up shoring or the prefabricated ramps un-

der the ramp toes as shown for tail first

h. Apply Brakes. Apply helicopter brakes

load. Position secondary approach shoring

and place chocks.

ramps (fig. 241). Position roller tray shor-

i. Install Chains. Install safety chains.

ing (fig. 238).

j. Lock Tail Wheel. Paragraph 238.1.j.

k. Remove Tail Wheel Steering Bar and

b. Unlock Tail Wheel Swivel. Paragraph

Winching Yoke. Paragraph 238.1.k.

238.1.a.

l. Release Brakes. Instruct brakeman to

c. Install Tail Wheel Steering Bar In Winch-

release helicopter brakes and dismount he-

ing Yoke. Paragraph 238.1.b.

licopter.

239.4 Load Four Main Rotor Blades. Position two

main rotor blade rack sets holding two blades each on

NOTE

cargo floor under second helicopter.

239.5 Load Third Helicopter Tail First.

Tail wheel steering bar will be used to

a. Place Approach Shoring. Place the built

steer helicopter and to keep main and tail

up shoring or the prefabricated ramps un-

wheels on loading ramps.

der the ramp toes as shown for tail first

load. Position secondary approach shoring

d. Aline Helicopter at Shoring. Position

ramps (fig. 241). Position roller tray shor-

helicopter with main landing gear to aline

ing (fig. 238).

with approach shoring.

b. Unlock Tail Wheel Swivel. Paragraph

238.1.a.

e. Connect Cargo Winch Cable to Helicop-

c. Install Tail Wheel Steering Bar In Winch-

ter. Cargo aircraft loadmaster will direct

ing Yoke. Paragraph 238.1.b.

coupling of the cargo aircraft winch cable to

the tail wheel winching yoke and take up

NOTE

cable slack.

Tail wheel steering bar will be used to

steer helicopter and to keep main and tail

f. Assign Personnel. Assign loading team

wheels on loading ramps.

members to monitor ramp crest, overhead

and sidewall clearances, operate tail wheel

d. Align Helicopter at Shoring. Position

steering bar, and operate helicopter

helicopter main landing gear to aline with

brakes.

approach shoring.

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