# STC SA306SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Delta Airlines Inc, United States
- Description: Forward lounge compartment configuration change.
- Status date: January 1, 1960
- 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/5DA301AAE78215D1862570CB005A0B22.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA306SO

## ADs that name it (0)

None.

## Approved models (1)

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

---
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.