# STC SA73NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: LaGrande Air Service, United States
- Description: Remove left rear cabin entrance door.
- Applied: September 17, 1973
- Status date: March 27, 1974
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A17EU](https://openairdocs.org/tcds/A17EU)
- Certificate PDF: https://openairdocs.org/files/sha256/6f/0b/6f0b934126c01a0ef94704b229f4bd9a3817df461acffe01438434030cc5b7ef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ADB17B866E6CF8F386257ADA00730E16.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA73NW

## ADs that name it (0)

None.

## Approved models (1)

- B-N Group Ltd. BN-2A-6 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))

## What the certificate says

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

## Every issue (1)

- March 27, 1974: Amended, Current. [certificate](https://openairdocs.org/files/sha256/6f/0b/6f0b934126c01a0ef94704b229f4bd9a3817df461acffe01438434030cc5b7ef)

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