# STC SR03138NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Leonardo Helicopters US Corporation, United States
- Description: Revised the low limit of the normal operating envelope of the rotorcraft for cold weather operation to allow operation at minimum ambient air temperature of -35 C (-31 F)
- Applied: December 18, 2008
- Status date: July 15, 2026
- Product: Aircraft, Rotorcraft
- Certification basis: Part 27
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/e6/e2/e6e20767f3d0614c3bdc6c4bf4163c6ecc80863b61ba7b70ab48605c7c7a9a05
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120471004720260820145107.0001
- DRS record last changed: August 20, 2026
- Page: https://openairdocs.org/stc/SR03138NY

## ADs that name it (0)

None.

## Approved models (1)

- Agusta S.p.A. A109E ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## 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.

SR03138NY Leonardo Helicopters US Corporation 3050 Red Lion Road Philadelphia, PA 19114 Part 27 Title 14 Code of Federal Regulations H7EU Agusta A109E

1. The aircraft must be equipped with PW206C engines.

2. The aircraft must have the following TC - approved kits installed:

a. Bleed Air Heater P/N 109-0811-38 or ECS System P/N 109-0811-43

b. 28Ah Marathon Battery P/N 31995-002 (Limitations and Conditions continued on page 3 of 3) 12/18/2018 07/15/2026 09/11/2012 Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 5 Revised the low limit of the normal operating envelope of the rotorcraft for cold weather operation to allow operation at minimum ambient air temperature of -35°C (-31°F) in accordance with AgustaWestland Philadelphia Corporation Master Data List (MDL) Report No. AWPC-ENG-12-080 Revision -, dated June 15, 2012, or later FAA approved revisions. The normal operating envelope of the rotorcraft specified that the minimum ambient air temperature for operation is -25°C (-13°F).

SR03138NY 07/15/2026 5

SR03138NY 07/15/2026 Limitations and Conditions continued:

3. VNE Placard P/N 109A1130A03-1 is required for operation at -35°C (-31°F).

4. AgustaWestland Philadelphia Corporation Rotorcraft Flight Manual Supplement Report No.

AWPC-ENG-09-111, Revision -, FAA approved dated September 11, 2012 is required for operation at -35°C (-31°F).

5. AgustaWestland Philadelphia Corporation Instructions for Continued Airworthiness (ICA) Report No. AWPC-ENG-12081 Revision -, dated June 4, 2012, or later FAA accepted revisions, is required for operation at -35°C (-31°F).

6. 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.

7. The installer must determine whether this design change is compatible with previously approved modifications.

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## Every issue (2)

- July 15, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e6/e2/e6e20767f3d0614c3bdc6c4bf4163c6ecc80863b61ba7b70ab48605c7c7a9a05)
- September 11, 2012: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/dc/80/dc80a5fa6edac979be03c4d9badbcddcb7bfe3e2894efa19b0ff71706668a0d5)

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