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Overseas Aircraft Support Inc - The Repair, Maintenance and Upgrading Shop.

The following engines are available:
          T53C – 11 A/ B
          T53 – 13 A/ B
          T53 – 17 A/ A1/ B
          T53L – 11A / B/ C/ D
          T53L – 13 A/ B
          T53L – 703