# STC ST00015NY

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Avmax Aviation Services Inc., Canada
- Description: Installation of a Sundstrand Turbomach T-62T-40C7B gas turbine auxiliary power unit with a Lear Siegler Model 23088-002 DC starter-generator.
- Applied: February 1, 1993
- Status date: June 15, 2022
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/e0/4ce0d94b418ecd8809b909397ec80d53859c1fe5a5bd31997f2053f5c5351c47
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D86BA7E87D5309668625886E00653E90.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00015NY

## ADs that name it (0)

None.

## Approved models (4)

- De Havilland Aircraft of Canada Limited DHC-8-101 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-102 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-103 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-106 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))

## 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.

IMPORT ST00015NY Avmax Aviation Services Inc.

4404 14th Street NE Calgary, Alberta Canada T2E 6T7 Part 25 Title 14 Code of Federal Regulations A13NM De Havilland Aircraft of Canada Limited DHC-8-100 Series

1. Installation of Sundstrand Turbomach T-62T-40C7B Auxiliary Power Unit (APU) with a Lear-Siegler Inc.

Model 23088-002 DC Starter-Generator must be in accordance with Avmax Aviation Services Inc.

Master Data List Report No. CE196-900, Issue A, Transport Canada Civil Aviation (TCCA) approved dated March 30, 2022, or later TCCA approved revision.

(Description of Type Design Change Continued on Page 3 of 3)

1. 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.

(Limitations and Conditions Continued on Page 3 of 3) February 1, 1993 May 14 2004, January 5, 2005, April 25, 2011, May 29, 2013, March 30, 2022 June 18, 1993 August 6, 1993, December 2, 1996, October 17, 1997, August 13, 1999, June 15, 2022 Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR) 3

**IMPORT ST00015NY ST00015NY 3**

IMPORT ST00015NY Date Reissued: March 30, 2022 Date Amended: June 15, 2022

Description of Type Design Change (continued):

2. Operation must be in accordance with PATS, Inc. Airplane Flight Manual Supplement Doc. No. FMS-002, dated August 6, 1993.

3. Maintenance must be done in accordance with PATS, Inc. Maintenance Manual Supplement, Report No. 551, Rev. C, dated August 15, 1996.

4. Sundstrand Service Bulletin Doc. No. SB-T-62T-49-76, Revision 4, dated June 25, 1993 is also applicable with component replacement intervals as follows:

a. Turbine Wheel – Every 6000 start cycles

b. Compressor Wheel – Every 12,000 start cycles

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

3. This STC is applicable to all serial numbers for this Make and Model.

4. Operation is limited to ground use only.

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

## Every issue (2)

- June 15, 2022: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4c/e0/4ce0d94b418ecd8809b909397ec80d53859c1fe5a5bd31997f2053f5c5351c47)
- May 29, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/53/2b/532bd0b9b75f08eb367a308c248d17f4d5f4ce2b0ef81c6b0c5d4eac994b4dbc)

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