# STC ST964SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Bellomy-Lawson Aviation Inc, United States
- Description: Installation of cargo interior, installation of cargo restraint and modification of pressurization system.
- Status date: October 17, 1978
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A3](https://openairdocs.org/tcds/6A3), [TCDS 6A4](https://openairdocs.org/tcds/6A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CB5B2D0EA00135ED85256CC3000374ED.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST964SO

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-6A (USAF C-118A) ([TCDS 6A3](https://openairdocs.org/tcds/6A3))
- McDonnell Douglas Corporation DC-6B (Navy R6D-1Z) ([TCDS 6A4](https://openairdocs.org/tcds/6A4))

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