Skip to content
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.

Share
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.

FAA record reference

STC number
SA1573NM
Product
Aircraft · Small Airplane
Country
United States
Application date
June 15, 1983
Revision date
March 7, 2002
CFR references
Part 1, Part 21