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Engine and powerplant

STC SA4-1647

FAA DRS lists SA4-1647 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Raytheon Aircraft C-45H. Recorded change: Installation of Janitrol Model S-25 Heater in each nacelle in the area over wing and behind firewall. 225 CFM ground blower left wing only. Limited to installation on model C-45H, serial number AF817 ONLY. Snapshot dated June 30, 2026.

FAA-listed holder
Staggerwing Museum Foundation Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Janitrol Model S-25 Heater in each nacelle in the area over wing and behind firewall. 225 CFM ground blower left wing only. Limited to installation on model C-45H, serial number AF817 ONLY.

SA4-1647 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: Raytheon Aircraft C-45H. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft C-45HA-765

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft C-45H model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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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