STC ST426SO

Supplemental type certificate · Avitas Engineering

Holder
Avitas Engineering · United States
Status
Current · Reissued
Status date
June 5, 1992
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDSA3WE

From FAA DRS. DRS record last changed December 6, 2025.

What it approves

Installation of Honeywell HG180V3 air data computer with electronic altimeters, altitude reporting digitizer and altitude alerting system. (727-25)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing Company727A3WE