# STC SA4267NM-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Modification to oxygen system STC SA1473SO to remove two 50-cubic foot capacity oxygen cylinders and replace them with two 77-cubic foot capacity oxygen cylinders.
- Status date: January 21, 1992
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3A73454299F8BB5585256CC2000E3AFD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4267NM-D

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-IV ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

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