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Avionics

STC ST00624WI

FAA DRS lists ST00624WI as Current · Reissued, held by Blackhawk Aerospace Technologies Inc., for Textron Aviation 500, Textron Aviation 550, and Textron Aviation S550. Recorded change: Installation of Bendix/King EFS-50 Five-Tube (EFIS) Electronic Flight Instrumentation System. FOr \n 550 (S/N 0002 thru 0733). Snapshot dated June 30, 2026.

FAA-listed holder
Blackhawk Aerospace Technologies Inc.
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Bendix/King EFS-50 Five-Tube (EFIS) Electronic Flight Instrumentation System. FOr \n 550 (S/N 0002 thru 0733).

ST00624WI 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 500, Textron Aviation 550, and Textron Aviation S550. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 500A22CETextron Aviation 550A22CETextron Aviation S550A22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 500 and Textron Aviation 550, and 1 more aircraft configuration 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?

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