Supplemental type certificate · Duncan Aviation Inc

Holder
Duncan Aviation Inc · United States
Status
Current · Reissued
Status date
October 27, 2009
Applied
April 25, 1995
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDSA10CE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of an Allied Signal Sundstrand Mark VII Ground Proximity Warning System (GPWS).

What the certificate saysOCR

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST00318W1-D This certificate issued to: Duncan Aviation Inc.

3701 Aviation Road Lincoln, NE 68524 Purt 25 of the Federa) Aviation Begulations.

Original Product --Type Certificute Number: AJ0CE Make: Learjet Mordol 31A Description of Type Design Change: Installation of an Allied Signal Sundstrand Mark VII Ground Proximity Warning System (GPWS). Data Required: (1) Document List No. 10045300, Revision B, dated May 24, 1995, (2) FAA Approved Flight Manual Supplement dated May 25,1995, or later FAA Approved Revisions to (1), (2).

Livitalions and Sendiliond: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

suspended, revsked or a terrination date is etherwise established by the Advinistrator of the Federal Aberation Administration.

Date of Application: April 24, 1995 Date Reissued: October 27,2009 Vate r/ suance: May 25, 1995 Date Amended:

FEDERAL - ANIA TON A Who todministrato (Signature) P. Mike Chick Jr.

TOMINSTRATO DAS Administrator, DAS-501013-CE Duncan Aviation, Lincoln, Nebraska (Title)

FAR FORM 8110-2-1 (10-69) PAGE I Of 2 PAGES

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Learjet Inc.31AA10CE