Learjet Learjet 31 / 31A / 31A/ER Supplemental Type Certificates (STCs)

101 STCs approved for the Learjet Learjet 31 / 31A / 31A/ER (Learjet 31 / 31A / 31A/ER) family · FAA quick reference

Quick reference only — not a compliance record. This list is for research convenience and may be incomplete or out of date. It is not an airworthiness compliance determination. Always verify against the official FAA record, and check directly with the FAA before relying on it. ADs are mandatory; STCs indicate approval for the type (not installation on a specific airframe); SAIBs are advisory.

Supplemental Type Certificates (STCs) approved for the Learjet Learjet 31 / 31A / 31A/ER type — FAA-approved modifications available for this aircraft family. Approval for the TYPE does not mean a given STC is installed on any individual airframe (that lives in the logbooks/337s).

Document	Title / Subject	Date
ST00090WI	Install equipment racks (structural provisions only). — Avcon Division/Butler National Corporation	1993-09-01
ST00420WI	Installation of an AlliedSignal Avionics, Inc., CAS 66A Traffic Alert and Collision Avoidance System (TCAS I). — Duncan Aviation, Inc	1996-04-16
ST00159BO	Installation of Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) with optional terrain display. — Pro Star Aviation, LLC	2018-09-13

+ 98 more STCs for the Learjet Learjet 31 / 31A / 31A/ER family.

The complete, searchable Supplemental Type Certificates list — with in-app PDF viewing and a combined download — is part of AeroTell.

See all 101 STCs in the AeroTell app →