# STC SR01825SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Columbia Helicopters Inc, United States
- Description: Installation of alternate Transformer Rectifier Unit
- Applied: February 28, 2008
- Status date: March 19, 2008
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1PC](https://openairdocs.org/tcds/H1PC)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/3e/dd3e9add4082ec03f2236c47f0d7df79b0abcb678d049e05621a584a96655e6c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/77E12A32E695281D86257420007D3A91.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR01825SE

## ADs that name it (0)

None.

## Approved models (2)

- Kawasaki Heavy Industries Limited KV107-II ([TCDS H1PC](https://openairdocs.org/tcds/H1PC))
- Kawasaki Heavy Industries Limited KV107-IIA ([TCDS H1PC](https://openairdocs.org/tcds/H1PC))

## 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 SR01825SE

This certificate, issued to Columbia Helicopters, Inc.

P. O. Box 3500 Portland, OR 97208

Part 7 and 10 of the Civil Air Regulations.

Original Product⎯Type Certificate Number: H1PC Make: Kawasaki Model: KV107-II and KV107-IIA

Description of the Type Design Change: Installation of alternate Transformer Rectifier Unit in accordance with Columbia Helicopters, Inc., Master Drawing List 07-RDE-0206, Revision A, dated January 25, 2008, or later FAA-approved revision. This modification must be maintained in accordance with Columbia Helicopters, Inc., Service Bulletin 107-24-0001, Revision 1, dated March 05, 2008, or later FAA-approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above aircraft model only.

This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and the Service Bulletin shall be maintained as part of the permanent records for the modified aircraft.

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.

Date of application: February 28, 2008 Date reissued:

Date of issuance: March 19, 2008 Date amended:

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- March 19, 2008: Issued, Current. [certificate](https://openairdocs.org/files/sha256/dd/3e/dd3e9add4082ec03f2236c47f0d7df79b0abcb678d049e05621a584a96655e6c)

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