# STC SA02146AK-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aero Twin, Inc, United States
- Description: Fabrication and installation of Aero Twin, Inc. main landing gear outboard door hinge kit No. DH31-200-1.
- Status date: October 5, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS A8EA](https://openairdocs.org/tcds/A8EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22DE3911AAC1176285256CC1007F3936.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02146AK-D

## ADs that name it (0)

None.

## Approved models (10)

- The New Piper Aircraft Inc. PA-31 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- The New Piper Aircraft Inc. PA-31-300 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- The New Piper Aircraft Inc. PA-31-325 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- The New Piper Aircraft Inc. PA-31-350 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- The New Piper Aircraft Inc. PA-31P ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- The New Piper Aircraft Inc. PA-31P-350 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- The New Piper Aircraft Inc. PA-31T ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- The New Piper Aircraft Inc. PA-31T1 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- The New Piper Aircraft Inc. PA-31T2 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))
- The New Piper Aircraft Inc. PA-31T3 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))

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