# STC ST531SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lockheed Martin Aeronautics Company
- Description: Increase in maximum landing weight from 130,000 pounds to 135,000 pounds. (382B s/n 4209, 4234, 4248) (382E s/n 4222, 4300)
- Status date: February 10, 1989
- Data sheets: A1SO, A1SO
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E76D7149CE71966985256CC30003606C.0001
- Page: https://openairdocs.org/stc/ST531SO

## ADs that name it

None.

## Approved models (2)

- Lockheed Aircraft Corporation 382B (TCDS A1SO)
- Lockheed Aircraft Corporation 382E (TCDS A1SO)

---
From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.