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Engine and powerplant

STC ST02240NY

FAA DRS lists ST02240NY as Current · Issued, held by Insight Instrument Corporation, for Learjet 35A (C-21A). Recorded change: Replacement of engine N2 and ITT indicators with Diamond J equivalent gauges. Snapshot dated June 30, 2026.

FAA-listed holder
Insight Instrument Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Replacement of engine N2 and ITT indicators with Diamond J equivalent gauges.

ST02240NY 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 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 35A (C-21A)A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 35A (C-21A) model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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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