# STC ST668SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Eastern Airlines Inc, United States
- Description: Installation of International Inflatables Co. door-mounted inflatable evacuation slide, P/N 68040, door-mounted slide container, P/N 00800. (720 -025)
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A28](https://openairdocs.org/tcds/4A28)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A974E8DC21FF191E862570C200617E8B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST668SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 720 ([TCDS 4A28](https://openairdocs.org/tcds/4A28))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.