# STC SA180NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerosonic Corporation, United States
- Description: Installation of Teledyne Avionics normalized angle of attack indicating system P/N 112B5700.
- Applied: July 19, 1982
- Status date: August 14, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/a4/97/a4977a178d927588d8dbae95ec34c744c710e4592bcd488f0e6dfc60404c08ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F9545F79BFC7A475862573D10080CEDC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA180NE

## ADs that name it (0)

None.

## Approved models (2)

- Hawker Beechcraft Corporation BH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Hawker Beechcraft Corporation DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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.

Number SA180NE This certificate issued to Aerosonic Corporation 1212 North Hercules Avenue Clearwater, FL 33765

Part 4b of the Civil Air Regulations.

Original Product Type Certificate Number: A3EU

Make: Hawker Beechcraft

Model: DH.125 Series 400A or BH.125 Series 400A Description of Type Design Change:

Installation of Teledyne Avionics’ Normalized Angle of Attack Indicating System P/N 112B5700, in accordance with Teledyne Avionics, Drawing List No. D5700, Revision, dated November 30, 1982

1. Prior or concurrent incorporation of British Aerospace Modification 252550 (Garrett AiResearch TFE 731-3-1H engines) is required with this modification.

2. Teledyne Avionic Airplane Flight Manual Supplement No. 1 for the Hawker Siddeley Model 731-HS125 and Beechcraft Hawker Model BH.125-400A with the Teledyne Avionics Normalized Angle of Attack Indicating System, P/N 112B5700, FAA approved, September 28, 1983, is required with this modification.

3. The Installer must determine whether this design change is compatible with previously approved modifications.

4. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of application: July 19, 1982

Date of issuance: September 28, 1983 Date reissued: March 8, 1993, August 14, 2007

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

## Every issue (1)

- August 14, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a4/97/a4977a178d927588d8dbae95ec34c744c710e4592bcd488f0e6dfc60404c08ba)

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