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Section II.   DESCRIPTION AND APPLICATION
Table 2-1. Mooring Hardware and Consumabilities

TM-1-1500-250-23 Aircraft Tie-down and Mooring Procedures Manual
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TM  1-1500-250-23 CHAPTER  2 HARDWARE  AND  AIRCRAFT  REQUIREMENTS 2-1. Grid Pattern Layout and Mooring Point Strength. The grid pattern layout illustrating the 17 to 20 foot on center mooring points is depicted in figure 2-1. a. This pattern readily accommodates all the heli- copters in the army fleet and should be used as the stan- dard  for  new  mooring  installations. b. The strength of each mooring point should be capable of reacting to the design loads depicted in fig- ure 2-2. 2-2. Mooring Pad Marking.  Marking the moor- ing pad to properly position the aircraft is recom- mended if the pad is to be used exclusively for one type of  aircraft. 2-3. General  Tools  and  Equipment. a. All aircraft will use polyester rope for rotor blade tie-down. Refer to table 2-1. (1) Tie-down OH-58D as specified in the ap- propriate  aircraft  Technical  Manual. (2) Tie-down OH-58A/C as specified in the appropriate Technical Manual, except that two main ro- tor blade tie-down boots are required. (3) Tie-down AH-64 as specified in the ap- propriate Technical Manual. Ensure that the ropes are strong enough to allow the main rotor blades to be se- cured  at  the  required  locations. (4) Tie-down UH-60 as specified in the ap- propriate  Technical  Manual. (5) Tie-down AH-1 as specifiated in the ap- propriate  Technical  Manual. (6) Tie-down UH-1 as specifiated in the ap- propriate  Technical  Manual,  except  that  a  forward main rotor blade tie-down strap is required. (7) he-down CH-47 as specifed in the ap- propriate  Technical  Manual. b. Tie-down and Mooring Equipment. Refer to table 2-1. (1) Acquisition and maintenance of all re- quired  tie-down  and  mooring  equipment  is  the  re- sponsibility of the aviation units. (2)  The  identified  chain  and  chain  adjuster shall be used as the primary mooring equipment for all helicopters when parked at their home installation and army policy (per paragraph 1 –6) requires moor- ing. Exceptions to the use of mooring chains is only approved under special circumstances where chain has proven to be undesirable such as the crossover mooring on the CH-47D. (3)  Mooring  chains  and  chain  adjusters  are not  considered  flyaway  equipment.  The  10,000 pound capacity polyester mooring strap with ratchet buckle,  NSN  5340-01-233-3063,  is  the  identified  fly- away which may be used when aircraft deployed away from their home station require mooring and chains are not available. The CGU-lB, 5000 pound capacity ny- lon tie-down strap, NSN 1670-00-725-1437, is only authorized when hard stand mooring points available and the field mooring kit is used. are not Change 3      2-1







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