... from barge crane. Salvage airbags can be attached to shipboard or stuff into cabins to offer buoyancy assistance. People ... 10-40 T/M3.Application: Ship launching marine airbags are used for ship launching, ship landing, ship lifting, loading, and floating. ... investment costs. Additionally they are flexible and dependable.1.ship launching, lifting and refloating2. floating bridge and dock construction3 ...