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Other aircraft modifications

STC SR02503SE

FAA DRS lists SR02503SE as Current · Issued, held by Helicopter Transport Services LLC, for Erickson DBA Erickson Air-Crane S-64E, Helicopter Transport Services CH-54A, and Helicopter Transport Services CH-54B. Recorded change: Installation of Additional Telemetry Unit (ATU). Snapshot dated June 30, 2026.

FAA-listed holder
Helicopter Transport Services LLC
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Additional Telemetry Unit (ATU).

SR02503SE 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: Erickson DBA Erickson Air-Crane S-64E, Helicopter Transport Services CH-54A, and Helicopter Transport Services CH-54B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Erickson DBA Erickson Air-Crane S-64EH6EAHelicopter Transport Services CH-54AH16NMHelicopter Transport Services CH-54BH14NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Erickson DBA Erickson Air-Crane S-64E and Helicopter Transport Services CH-54A, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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