# STC SH594NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aerosonic Corporation, United States
- Description: Installation of a Teledyne Avionics Power Analyzer and Recorder.
- Applied: March 18, 1988
- Status date: August 14, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/1f/d0/1fd0914e516fa6aa51c3281d528672837f81420950fd3b7cfbc17864d5d9440d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A11AFEF4023D6640862574D5007D8895.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH594NE

## ADs that name it (0)

None.

## Approved models (3)

- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## 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 SH594NE This certificate issued to Aerosonic Corporation 1212 North Hercules Avenue Clearwater, FL 33765

Part 6 of the Civil Air Regulations.

Original Product Type Certificate Number: H3WE

Make: MD Helicopters Inc.

Model: 369D, 369E, 500N Description of Type Design Change:

Installation of a Teledyne Avionics Power Analyzer and Recorder in accordance with the data contained in the following:

Configuration 1: Teledyne Avionics “Installation Manual Power Analyzer & Recorder “PAR” McDonnell Douglas Model 500/D/E System Number SL17011”, Document No. IM17011, dated August 1, 1988.

Configuration 2: Teledyne Avionics “Installation Manual for PAR System SL17011 with computer SLZ7625 serial No. ZH0019 and up” McDonnell Douglas 369D/E Helicopters”, dated June 1, 1992.

Configuration 3: Avionics Specialties, Inc. Installation Manual for PAR System SL17066 McDonnell Douglas 500N Helicopter”, dated March 15, 1993 Limitations and Conditions:

A. Configuration 1:

1. Teledyne Avionics Rotorcraft Flight Manual Supplement for McDonnell Douglas 500 Helicopters, FAA approved August 4, 1988 is required for this installation.

Date of application: March 18, 1988

Date of issuance: August 4, 1988 Date reissued: May 4, 1993, August 14, 2007

Date amended: November 28, 1988, May 29, 1991, November 3, 1992

By direction of the Administrator ( Signature)

Anthony Socias Manager New York Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

Number SH594NE Date of Reissue: August 14, 2007 Limitations and Conditions (Continued):

2. Teledyne Avionics “Installation manual Power Analyzer Recorder “PAR” McDonnell Douglas Model 500 D/E System Number SL17011”, Document No. IM17011.011, dated August 1, 1988, must accompany this installation B. Configuration 2:

1. Teledyne Avionics Rotorcraft Flight Manual Supplement for McDonnell Douglas 500D & E Helicopters, FAA Approved November 3, 1992, is required with this installation

2. Teledyne Avionics Installation Manual for PAR Computer SLZ7625 serial No. ZH0019 and up McDonnell Douglas 369D/E helicopters, Document No. 17011IM, dated June 1, 1992 is required wit this installation.

3. Teledyne Avionics Operators Manual PAR-17011OM No. Rev. dated June 1, 1992 must accompany this installation.

C. Configuration 3:

1. Avionics Specialties Flight Manual Supplement for McDonnell Douglas 500N Helicopter, FAA Approved May 4, 1993, is required with this installation.

2. Avionics Specialties, Inc. “Installation Manual for PAR System SL17066 McDonnell Douglas 500N Helicopter” dated March 15, 1993 is required with this installation.

3. Avionics Specialties, Inc. Operators Manual for PAR System SL17066, dated March 15, 1993 must accompany this installation.

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

E. 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.

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## Every issue (2)

- August 14, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1f/d0/1fd0914e516fa6aa51c3281d528672837f81420950fd3b7cfbc17864d5d9440d)
- August 4, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1f/d0/1fd0914e516fa6aa51c3281d528672837f81420950fd3b7cfbc17864d5d9440d)

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