# STC SA4621NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: F Atlee Dodge Aircraft Service, United States
- Description: Fabrication and installation of P/N 3164-1 main landing gear shock strut assemblies.
- Status date: August 7, 1989
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81B13ABD3C1EA68985256CC2000E3DA1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4621NM

## ADs that name it (0)

None.

## Approved models (4)

- The New Piper Aircraft Inc. PA-18-"135" (Army L-21B) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18-"150" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A-"135" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- The New Piper Aircraft Inc. PA-18A-"150" ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

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