Skip to content
Avionics

STC ST04254CH

FAA DRS lists ST04254CH as Current · Reissued, held by Duncan Aviation Inc, for Boeing 737-200 Series. Recorded change: Installation of Datalink Communications System supporting Air Traffic Services (ATS) using Universal Avionics UL-801 Unilink System, Dual UNS-1(-)W Flight Management Systems and upgrade to CVR 120A for data link recording. Snapshot dated June 30, 2026.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ST04254CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 737-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-200 SeriesA16WE

Buyer checks

Confirm before sourcing

Related avionics STCs