# STC SA690SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Murray David F, United States
- Description: Installation of plane booster safe flight wing tip kit number Maule 1.
- Status date: February 27, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A72497E1C7636CF085256CC20056A05E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA690SW

## ADs that name it (0)

None.

## Approved models (3)

- Maule Aerospace Technology Inc. Bee Dee M-4 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- 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))

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