Mast support for # 499
Description
Catalog Notes: Changes, calculations. Related vessel name: Columbia. Related hull: 499. Associated HMCo plans: 90-55, 90-82, 90-84, 90-126, 90-128.
Catalog Notes: Changes, calculations. Related vessel name: Columbia. Related hull: 499. Associated HMCo plans: 90-55, 90-82, 90-84, 90-126, 90-128.