STC SA987CE
FAA DRS lists SA987CE as Current · Reissued, held by Honeywell International Inc, for Textron Aviation 421B. Recorded change: Installation of Sperry SPZ-200/ STARS IVC automatic flight control system with optional Sperry AA-220/ RT-220 radar altimeter. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA987CE 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: Textron Aviation 421B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
Installation of Litton Triple LTN-92 Inertial Navigation Systems (INS) and dual LTN-2001 Global Positioning Sensors (GPS).
FAA holder: Northrop Grumman Systems Corporation
Installation of Litton Dual LTN-410 Flight Management Systems (FMS) with embedded Global Positioning Sensors (GPS) receivers.
FAA holder: Northrop Grumman Systems Corporation
Modification of Litton LTN-92 and LTN-72 Inertial Navigation Systems (INS) to implement the Area Navigation (RNAV) updating capability.
FAA holder: Northrop Grumman Systems Corporation
Installation of Single Litton LTN-450 Navigation Management Systems (NMS) with embedded Global Position System (GPS) receiver and provisions for dual LTN-450 NMS.
FAA holder: Northrop Grumman Systems Corporation
FAA record reference
- STC number
- SA987CE
- Product
- Aircraft · Small Airplane
- Country
- United States
- Application date
- November 20, 1973
- Revision date
- March 19, 2020
- CFR references
- Part 3, Part 21, Part 45