# STC SA2120SW-AC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: FAA Aviation System Standards AVN-300, United States
- Description: Substantiate satisfactory operation in the RNAV lateral axis of the Parker/Gull aerea navigation system utilizing a Gull navigation computer unit with software program P/N 555-050-001 Rev. E and a Honeywell inertial reference system.
- Applied: April 25, 1990
- Status date: December 19, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2WE](https://openairdocs.org/tcds/A2WE)
- Certificate PDF: https://openairdocs.org/files/sha256/bb/72/bb72ee9c149dd262be203ea8ea2420dc8aafb35b249dd2e978b3802a14272302
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67FE20E8811B321685256CC2000159DA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2120SW-AC

## ADs that name it (0)

None.

## Approved models (1)

- Sabreliner Aviation LLC NA-265-40 ([TCDS A2WE](https://openairdocs.org/tcds/A2WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Hmtd Bepartmcnt of transportation— federal atriation administration Supplemental "Cgpe Certificate SA2120SU-AC Aviation Standards National Field Office 6500 S. MacArthur Blvd.

Oklahoma City, OK 73125 ^<^ '.«yW2ii&a£»T«»v!<>»'x»«<!<^.<j^ 4 b d^^Af Civil Air lzai<-(<i fktaifncU' \JiviCUtc6 —— ijyfity A2WE Rockwell International NA-265-40 Substantiate satisfactory operation in the RNAV lateral axis of the Parker/Gull Area Navigation System utilizing a Gull Navigation Computer Unit with software program P/N 555-050-001 Rev. E and a Honeywell Inertial Reference System, in accordance with Data List NA-265-40-15 dated 8/20/90.

FAA Approved Flight Manual Supplement dated December 19, 1990. Compatibility of this alteration with other approved alterations must be determined by the installer.

April 25 1990 December 19, 1990 A/AS (Tilli)

T/iu arttftcalt may be transferred in accordance with FAR 21 .17.

FAAfo«M 81 10-3 (10-68)

INSTRUCTIONS : The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferre and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number _ to (Qfame of transferee) (Address of transferee) (Jfianfer and strut) (City, State, aniZV? code) {rom(^(ame of grantor) (Print or type) (Address of grantor) _ (9{ian6er an4 street) (City, State, amfZIV code) Exent of Authority (if licensing agreement) :

Signature of grantor (In Page 2 of 2

## Every issue (1)

- December 19, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bb/72/bb72ee9c149dd262be203ea8ea2420dc8aafb35b249dd2e978b3802a14272302)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
