# STC ST670SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Eastern Airlines, Inc, United States
- Description: Installation of Intl Inflatables Co. P/N 68035 door- mounted emergency evacuation slide at forward entrance door and service door and International Inflatables Co. P/N 68085-3 door mounted emergency evacuation slide at aft entrace and service doors.
- Status date: October 6, 1969
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/62B6D1957E39878185256CC3000360C7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST670SO

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-8-21 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-51 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

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