# STC SA104RM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Frontier Airlines Inc, United States
- Description: Install dual SELCAL system.
- Applied: February 25, 1977
- Status date: June 22, 1977
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A6](https://openairdocs.org/tcds/6A6)
- Certificate PDF: https://openairdocs.org/files/sha256/7b/cf/7bcf5c3065d1f4b85fa48d9aad167f4e6e4d65f150a99b9645fb0039b2695af5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9B94FB903B22C80D85256CC10080DCE6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA104RM

## ADs that name it (0)

None.

## Approved models (2)

- Kelowna Flightcraft R & D Ltd. 340 ([TCDS 6A6](https://openairdocs.org/tcds/6A6))
- Kelowna Flightcraft R & D Ltd. 440 ([TCDS 6A6](https://openairdocs.org/tcds/6A6))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- June 22, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7b/cf/7bcf5c3065d1f4b85fa48d9aad167f4e6e4d65f150a99b9645fb0039b2695af5)

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