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Other aircraft modifications

STC ST04437AT

FAA DRS lists ST04437AT as Current · Issued, held by Chippewa Aerospace Inc, for ATR - GIE Avions de Transport Régional ATR42-200, ATR - GIE Avions de Transport Régional ATR42-300, and ATR - GIE Avions de Transport Régional ATR42-320, and 7 more aircraft configurations. Recorded change: Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR. Snapshot dated June 30, 2026.

FAA-listed holder
Chippewa Aerospace Inc
Aircraft configurations
10
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Replacement/Upgrade of HT1000 NPR (Nav Processor Unit) and the HT9100 NPR.

ST04437AT 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: ATR - GIE Avions de Transport Régional ATR42-200, ATR - GIE Avions de Transport Régional ATR42-300, and ATR - GIE Avions de Transport Régional ATR42-320, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

ATR - GIE Avions de Transport Régional ATR42-200A53EUATR - GIE Avions de Transport Régional ATR42-300A53EUATR - GIE Avions de Transport Régional ATR42-320A53EUATR - GIE Avions de Transport Régional ATR42-500A53EUATR - GIE Avions de Transport Régional ATR72-101A53EUATR - GIE Avions de Transport Régional ATR72-102A53EUATR - GIE Avions de Transport Régional ATR72-201A53EUATR - GIE Avions de Transport Régional ATR72-202A53EUATR - GIE Avions de Transport Régional ATR72-211A53EUATR - GIE Avions de Transport Régional ATR72-212A53EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact ATR - GIE Avions de Transport Régional ATR42-200 and ATR - GIE Avions de Transport Régional ATR42-300, and 8 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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