# STC SA3921NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Driessen Aircraft Interior Systems, Inc, United States
- Description: Installation of Driessen Cabin Service Carts, P/N's DLH-717-003, Waste Cart, DLH 772, Bar Cart, and DLH 717-002, Meal Cart in Sell Galley's P/N's 0477-11H-0000, 0477-22H-0000, 0477-23E-0000, 0477-35H-0000,and 0477-38H-0000.
- Status date: October 30, 1989
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25C56CE4AA2CDD8D85256CC2000C5B9B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3921NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

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