# STC SA4027WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Hamilton Aviation Co, United States
- Description: Installation of a boarding ladder. (240 SERIES 27)
- Status date: October 20, 1981
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-793](https://openairdocs.org/tcds/A-793)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5DE736A12650B6CB85256CC2000C6043.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4027WE

## ADs that name it (0)

None.

## Approved models (1)

- Tracor Flight Systems Inc. 240 Series ([TCDS A-793](https://openairdocs.org/tcds/A-793))

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