# STC SA356CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Nicolet Plastics, Inc, United States
- Description: Installation of seaplane safety covers.
- Status date: May 22, 1995
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759), [TCDS A21CE](https://openairdocs.org/tcds/A21CE), [TCDS A-754](https://openairdocs.org/tcds/A-754), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS 3A23](https://openairdocs.org/tcds/3A23), [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS 1A6](https://openairdocs.org/tcds/1A6), [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DD0788D8B4824F2685256CC2000A9956.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA356CH

## ADs that name it (0)

None.

## Approved models (50)

- American Champion Aircraft Corp. 7ECA ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 8GCBC ([TCDS A21CE](https://openairdocs.org/tcds/A21CE))
- Arctic Aircraft Company Inc. S-1B2 ([TCDS A-754](https://openairdocs.org/tcds/A-754))
- Maule Aerospace Technology Inc. Bee Dee M-4-210 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-210C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-210S ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-210T ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-220 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-220C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-220S ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-4-220T ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-5-210C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-5-220C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-5-235C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. Bee Dee M-6-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- The Cessna Aircraft Company 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- The Cessna Aircraft Company 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- The Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- The Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- The Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company R172K ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- The New Piper Aircraft Inc. PA-18AS-\"150\" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-\"125\" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-\"135\" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18S-\"150\" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-20S-\"135\" ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- The New Piper Aircraft Inc. PA-22S-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- The New Piper Aircraft Inc. PA-28S-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28S-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

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