# STC SR72CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Shadin Avionics, United States
- Description: ONE-ONLY: Installation of a Shadin Engine Trend Monitor System
- Applied: April 21, 1992
- Status date: June 8, 2006
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H11EU](https://openairdocs.org/tcds/H11EU)
- Certificate PDF: https://openairdocs.org/files/sha256/db/25/db256f6e46fbc559e61585d235e27a60b0ecde2c2aa3f2aa3809cd46c8e03f43
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9F1A45707A374B82862575EF00657BD9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR72CH

## ADs that name it (0)

None.

## Approved models (1)

- Eurocopter France AS355F2 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))

## 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.

Part 27 of the Federal Aviation Regulations. (See Type Certificate Data Sheet No. H11EU for complete certification basis.)

Installation of a Shadin Engine Trend Monitor System per Shadin Report 3207, Rev. A, dated June 17, 1993.

1) Rotorcraft Flight Manual Supplement, dated June 21, 1993, is a required part of this STC.

2) Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Eurocopter France AS355F2, S/N 5473.

3) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Shadin Avionics 6831 Oxford Street St. Louis Park, MN 55426 H11EU Make : Eurocopter France Model : AS355F2, S/N 5473 Date of application : April 21, 1992

Date of issuance : June 21, 1993

Date reissued : June 8, 2006

( Signature) Charles L. Smalley Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office

( Title)

## Every issue (1)

- June 8, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/db/25/db256f6e46fbc559e61585d235e27a60b0ecde2c2aa3f2aa3809cd46c8e03f43)

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