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Other aircraft modifications

STC SR00521SE

FAA DRS lists SR00521SE as Current · Reissued, held by AEM USA Inc., for Airbus Helicopters Deutschland GmbH EC135 P1, Airbus Helicopters Deutschland GmbH EC135 P2, and Airbus Helicopters Deutschland GmbH EC135 T1, and 24 more aircraft configurations. Recorded change: Installation of Geneva Aviation Audio System. Snapshot dated June 30, 2026.

FAA-listed holder
AEM USA Inc.
Aircraft configurations
27
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Geneva Aviation Audio System.

SR00521SE 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: Airbus Helicopters Deutschland GmbH EC135 P1, Airbus Helicopters Deutschland GmbH EC135 P2, and Airbus Helicopters Deutschland GmbH EC135 T1, and 24 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Airbus Helicopters Deutschland GmbH EC135 P1H88EUAirbus Helicopters Deutschland GmbH EC135 P2H88EUAirbus Helicopters Deutschland GmbH EC135 T1H88EUAirbus Helicopters Deutschland GmbH EC135 T2H88EUAirbus Helicopters Deutschland GmbH EC135P3H88EUAirbus Helicopters Deutschland GmbH EC135T3H88EUAirbus Helicopters AS-350BH9EUAirbus Helicopters AS-350B1H9EUAirbus Helicopters AS-350B2H9EUAirbus Helicopters AS-350B3H9EUAirbus Helicopters AS-350BAH9EUAirbus Helicopters AS-350CH9EUAirbus Helicopters AS-350DH9EUAirbus Helicopters AS-350D1H9EUAirbus Helicopters AS355EH11EUAirbus Helicopters AS355FH11EUAirbus Helicopters AS355F1H11EUAirbus Helicopters AS355F2H11EUAirbus Helicopters AS355NH11EUBell Helicopter Textron Canada 206A-1 (OH-58A)H2SWBell Helicopter Textron Canada 206AH2SWBell Helicopter Textron Canada 206BH2SWBell Helicopter Textron Canada 206L-1H2SWBell Helicopter Textron Canada 206L-3H2SWBell Helicopter Textron Canada 206L-4H2SWBell Helicopter Textron Canada 206LH2SWBell Helicopter Textron Canada 407H2SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Airbus Helicopters Deutschland GmbH EC135 P1 and Airbus Helicopters Deutschland GmbH EC135 P2, and 25 more aircraft configurations 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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