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Flight controls

STC ST03598AT

FAA DRS lists ST03598AT as Current · Issued, held by Aerotron Air Power, Inc., for Boeing 757-200 Series, Boeing 757-200CB Series, and Boeing 757-200PF Series, and 1 more aircraft configuration. Recorded change: Installation of an upgraded Yaw Damper Servos, P/N 1540500 -1AA/-3AA /-5AA /-7AA /-9AA /-11AA, and P/N 1536600 -1AA /-3AA /-5AA /-7AA, for rudder flight control. Snapshot dated June 30, 2026.

FAA-listed holder
Aerotron Air Power, Inc.
Aircraft configurations
4
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of an upgraded Yaw Damper Servos, P/N 1540500 -1AA/-3AA /-5AA /-7AA /-9AA /-11AA, and P/N 1536600 -1AA /-3AA /-5AA /-7AA, for rudder flight control.

ST03598AT identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 757-200 Series, Boeing 757-200CB Series, and Boeing 757-200PF Series, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 757-200 SeriesA2NMBoeing 757-200CB SeriesA2NMBoeing 757-200PF SeriesA2NMBoeing 757-300 SeriesA2NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 757-200 Series and Boeing 757-200CB Series, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which control configuration, rigging, limitations, and inspections apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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