# STC ST04641NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Kelowna Flightcraft Ltd, Canada
- Description: Modification of the Lavatory Waste Receptacle Seal Replacement
- Applied: February 5, 2021
- Status date: June 10, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/73/a3/73a314def9a7a6bd3d875fda226ac18a7cf0c866505ba471ddddd4ca6aa964a9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DF1A5FC9A83F7AA3862586F6005D406C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04641NY

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## 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 ST04641NY Kelowna Flightcraft Ltd.

5655 Airport Way Kelowna, British Columbia Canada V1V 1S1 Part 25 Title 14 Code of Federal Regulations A16WE BOEING BOEING 737-4K5

1. Modification of the Lavatory Waste Receptacle Seal Replacement must be in accordance with Kelowna Flightcraft Ltd. Modification Data Summary K265-102-001-002, Rev. A, Transport Canada Civil Aviation (TCCA) approved November 30, 2009.

2. Maintenance must be in accordance with TCCA accepted Kelowna Flightcraft Ltd. Maintenance Manual Supplement K265-102-001-012, Rev. NC, dated November 23, 2009.

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 5, 2021 June 10, 2021 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3

**IMPORT ST04641NY ST04641NY 3**

IMPORT ST04641NY Date of Issuance: June 10, 2021

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

3. You cannot use descriptive data from this design change to duplicate other products. This approval is limited to only the installation made in BOEING, 737-4K5 Aircraft, Serial Number 24769. This STC does not permit manufacturing of parts for multiple installations.

Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for BOEING, 737-4K5 Aircraft, is as follows:

a) The type certification basis for the BOEING, 737-4K5 Aircraft, as shown on TCDS A16WE for parts not changed or not affected by the change.

b) The type certification basis for the BOEING, 737-4K5 Aircraft, as shown on TCDS A16WE for parts changed or affected by the change with the following additional requirements:

14 CFR § 25.853 at amendment 25-59 ----------END---------- 3 3

## Every issue (1)

- June 10, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/73/a3/73a314def9a7a6bd3d875fda226ac18a7cf0c866505ba471ddddd4ca6aa964a9)

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