Skip to content
Avionics

STC SA4673SW

FAA DRS lists SA4673SW as Current · Reissued, held by Textron Aviation Inc, for Beechcraft HS.125 Series 700A. Recorded change: Installation of Sperry SPZ-600 automatic flight control system with SPI 501/502 flight director, AZ-800 Dual Air Data Computer, CM-600 Comparator Monitor and VA-100 Voice Advisory System. Snapshot dated June 30, 2026.

FAA-listed holder
Textron Aviation Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Sperry SPZ-600 automatic flight control system with SPI 501/502 flight director, AZ-800 Dual Air Data Computer, CM-600 Comparator Monitor and VA-100 Voice Advisory System.

SA4673SW 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: Beechcraft HS.125 Series 700A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft HS.125 Series 700AA3EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft HS.125 Series 700A model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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?

Related avionics STCs