# STC SA1588NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Learjet Inc., United States
- Description: Replacement of the existing fan speed indicators (N1), turbine speed indicators (N2), and interstage turbine temperature indicators (ITT), with Intercontinental (IDC) indicators.
- Status date: March 7, 2002
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F6BAF0B42BF577E85256CC1008213E6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1588NM

## ADs that name it (0)

None.

## Approved models (1)

- Learjet Inc. Learjet 55 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

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