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Electrical systems

STC ST00999WI

FAA DRS lists ST00999WI as Current · Reissued, held by Phoenix Air Group Inc., for Learjet 25, Learjet 25B, and Learjet 25C, and 6 more aircraft configurations. Recorded change: Installation of Special Mission Power and Control Wiring, provisions for Carriage of Mission Stores with Hardpoints installed by STC SA1604SO or SA1670CE, and Takeoff weight increased to 16,300 lbs. Snapshot dated June 30, 2026.

FAA-listed holder
Phoenix Air Group Inc.
Aircraft configurations
9
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Special Mission Power and Control Wiring, provisions for Carriage of Mission Stores with Hardpoints installed by STC SA1604SO or SA1670CE, and Takeoff weight increased to 16,300 lbs.

ST00999WI 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: Learjet 25, Learjet 25B, and Learjet 25C, and 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 25A10CELearjet 25BA10CELearjet 25CA10CELearjet 25DA10CELearjet 25FA10CELearjet 35A10CELearjet 35A (C-21A)A10CELearjet 36A10CELearjet 36AA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 25 and Learjet 25B, and 7 more aircraft configurations model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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