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Electrical systems

STC SR01241SE

FAA DRS lists SR01241SE as Current · Amended, held by Helicopter Transport Services LLC, for Helicopter Transport Services CH-54A and Helicopter Transport Services CH-54B. Recorded change: Installation of Concorde RG-390E Lead Acid Battery. Snapshot dated June 30, 2026.

FAA-listed holder
Helicopter Transport Services LLC
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of Concorde RG-390E Lead Acid Battery.

SR01241SE 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: Helicopter Transport Services CH-54A and Helicopter Transport Services CH-54B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Helicopter Transport Services CH-54AH16NMHelicopter Transport Services CH-54BH14NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Helicopter Transport Services CH-54A and Helicopter Transport Services CH-54B model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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