# STC SH2506SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ephraim Nowak, United States
- Description: Installation of a camera mount and photographer's seat.
- Applied: October 24, 1989
- Status date: December 8, 2023
- Product: Aircraft, Rotorcraft
- Certification basis: Part 27
- Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU)
- Certificate PDF: https://openairdocs.org/files/sha256/e0/9f/e09f8be372aa59432d9777e9b23b70dc873e990dbaf9bfd2ad22e22f2f34f0e4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100668478720231213153552.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH2506SO

## ADs that name it (0)

None.

## Approved models (4)

- Airbus Helicopters AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS-350C ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS-350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))

## 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.

SH2506SO Ephraim Nowak 535 Buena Vista Ave, Apt 109 Alameda, CA 94501, USA Part 27 Federal Aviation Regulations H9EU Aerospatiale AS-350B, C, D, D1 Installation of a camera mount and photographer’s seat in accordance with Greenlee Geometrics Drawing List, dated October 13, 1989, or later FAA approved revision.

This approval should not be extended to other aircraft 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 produce no adverse affect upon the airworthiness of that aircraft. ... (Continued on Page 3) October 24, 1989 December 8, 2023 February 16, 1989 (for) Christina M. Underwood Manager, East Certification Branch 3

SH2506SO 3

SH2506SO Limitations and Conditions: (Continued) ... This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage.

------------------------------------END------------------------------------ 3 3

## Every issue (1)

- December 8, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e0/9f/e09f8be372aa59432d9777e9b23b70dc873e990dbaf9bfd2ad22e22f2f34f0e4)

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