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Propellers

STC SA1490CH

FAA DRS lists SA1490CH as Current · Issued, held by Montague James J, for Swift Museum Foundation GC-1B. Recorded change: Installation of a Sensenich 74DR-1 model propeller. Limited to Tel Continental O-300A, C-145-2, or C-145-2H, or O-300B with propeller control valve secured in closed position. Model O-300C or O-300D engines with model 530860 crankshaft installed. Maximum takeoff power limited to 125 horsepower. Snapshot dated June 30, 2026.

FAA-listed holder
Montague James J
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of a Sensenich 74DR-1 model propeller. Limited to Tel Continental O-300A, C-145-2, or C-145-2H, or O-300B with propeller control valve secured in closed position. Model O-300C or O-300D engines with model 530860 crankshaft installed. Maximum takeoff power limited to 125 horsepower.

SA1490CH 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: Swift Museum Foundation GC-1B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Swift Museum Foundation GC-1BA-766

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Swift Museum Foundation GC-1B model, serial range, and configuration?
  2. 02Which propeller, governor, spinner, engine, and vibration limits 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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