STC SA3992NM

Installation of an auxiliary fuel system in the aft cargo compartment in accordance with Aftermarket Technologies FAA approved Master Drawing List ADL 7000 as delineated on Page 3. An FAA approved Airplane Flight Manual Supplement is also required as delineated on page 3. This amendment installs a Transient Suppression Device (TSD) to protect the auxiliary fuel tank from Fuel Quantity Indicating System and Fuel Level Sensor wiring in accordance with the Rogerson ATS Master Drawing List No. ADL-7000, Rev. N, dated February 24, 2003, or later FAA approved revisions.

Historical Amended Aircraft Large Multi-Engine Rev 07/16/2003 View PDF on drs.faa.gov ↗

What is an STC?

A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.

Applicable aircraft (2)

Certification basis — 14 CFR

Specific sections

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗