# STC ST846SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gilman Bruce, United States
- Description: Increase maximum ramp weight to89,000 lbs., increase maximum take- off weight to 88,500 lbs. and decrease maximum landing weight to 77,200 lbs. (1-11 400 Series EQUIPPED WITH ROLLS ROYCE RB165-25 SPEY51-14 ENGINES)
- Status date: July 1, 1975
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A5EU](https://openairdocs.org/tcds/A5EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/407CC4EC9ED4EE8685256CC3000374AE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST846SO

## ADs that name it (0)

None.

## Approved models (1)

- British Aerospace Airbus Limited 1-11 400 Series ([TCDS A5EU](https://openairdocs.org/tcds/A5EU))

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