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Safety and emergency equipment

STC ST10278SC

FAA DRS lists ST10278SC as Current · Issued, held by Learjet Inc., for Learjet 55, Learjet 55B, and Learjet 55C. Recorded change: Installation of a single Honeywell KGP-860 Class B Enhanced Ground Proximity Warning System (EGPWS) in accordance with the Master Document List BAS55010057, Rev. A, dated August 30, 2004, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement BAS55040030, Rev. NC, dated September 1, 2004, or later FAA approved revision is required. Snapshot dated June 30, 2026.

FAA-listed holder
Learjet Inc.
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of a single Honeywell KGP-860 Class B Enhanced Ground Proximity Warning System (EGPWS) in accordance with the Master Document List BAS55010057, Rev. A, dated August 30, 2004, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement BAS55040030, Rev. NC, dated September 1, 2004, or later FAA approved revision is required.

ST10278SC 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 55, Learjet 55B, and Learjet 55C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 55A10CELearjet 55BA10CELearjet 55CA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 55 and Learjet 55B, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which equipment, inspection intervals, procedures, 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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