Ship's Crane

Type

Alaska Marine Model MCT 1865-Telescoping Boom Type

---

Description

Mounted at centerline, after side of the upper deck. Telescoping boom extends to 65 feet, covers all sections of open fantail and will extend 15 feet over the stern at 0 deg elevation. The crane boom, supported in a tripod crutch, can be used in place of an A-frame to hold the blocks for trawling, coring and other work over the side. The crutch can be relocated in port only. This crane is man rated. The crane boom can also be supported/stowed in a notch on top of the Stern A-Frame.

---

Capacity

• At maximum elevation (89 deg) and minimum extension (27 ft): 30,000 lbs (See note below)
• At minimum elevation (0 deg) and maximum extension (65 ft):
  • Boom supported in A-Frame notch: SWL of wire up to 25,000 lbs
  • Boom supported in tripod-crutch: SWL of wire up to 13,000 lbs
  • Boom not supported: 4,000 lbs (See note below)

---

Controls

Located on crane. Also, a set of remote crane controls are located in the Winch Control House.

---

Notes

Maximum loads depend on boom angle, boom extension and load conditions/stability of the ship. Under NORMAL conditions the PRACTICAL lift limit of this crane is 12,000 LBS. Make loading plans accordingly. Arrangements for heavy lifts at dockside should be discussed with the Ship Operations Staff well in advance.

Return to Wecoma Home Page