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 TM 5-1940-277-10
TM 1940-10/1
2-26. RETRIEVING A FREE LAUNCHED RIBBON BRIDGE BAY (PUSHER TECHNIQUE).
NOTE
The Bridge transporter operator is responsible for launching Ribbon Bridge Ramp
and Interior Bays. (Refer to TM 5-5420-209-12)
NOTE
Retrieving a free launched Ribbon Bay requires at least one boat operator and
two assistant boat operators per boat.
a. Boat operator. Position the boat 3 to 5 meters downstream from the Ribbon Bay launching site with the boat facing
upstream.
WARNING
Do not allow the bay to open up on top of the bow of the boat. Personnel may be
thrown into the water. Severe damage to boat could result.
WARNING
Hold on to safety rail. You could be thrown overboard when the boat bumps the
bay.
b. Boat operator. After the bay is completely open, maneuver the boat until the pushknees are in contact with the
downstream side of the bay.
WARNING
Do not get any part of body between bay and boat. Injury to personnel could
result.
c.
Assistant boat operators. Stand on side of cab, holding onto safety rail on cab top until the pushknees touch the
Ribbon Bay. Stand well aft of the operator's forward field of vision. If cab is removed, assistant operators will
kneel at side of cockpit and hold onto safety rails inside cockpit area until pushknees touch Ribbon Bay.
WARNING
Minimize boat maneuvering against bay until all roadway connectors are in place.
Personnel injury could result.
d. Boat operator. Keep the pushknees of the boat in constant contact with the Ribbon bay. Use enough power to
prevent the bay from pushing the boat downstream or into shallow water.
WARNING
Make sure that each tieline is tight and the bay is held firmly against the
pushknees or the bay will tend to pull off to the side of the boat.
e. Assistant boat operators. Secure one tieline to each of the anchoring pins on the downstream side of the bow ponton
of the Ribbon Bay. Pull each tieline tight and secure it to the bow bollard on its respective side of the boat.
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