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Engine and powerplant

STC SA1573NM

FAA DRS lists SA1573NM as Current · Reissued, held by Learjet Inc., for Learjet Learjet 35A (C-21A). Recorded change: Replacement of the existing fan speed indicators (N1), turbine speed indicators (N2), and interstage turbine temperature indicators (ITT) with Intercontinental Dynamics Corp. (IDC) indicators. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA1573NM 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 Learjet 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

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