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Other aircraft modifications

STC ST223CH

FAA DRS lists ST223CH as Current · Surrendered, held by AvAero, for Boeing 737-100 Series, Boeing 737-200 Series, and Boeing 737-200C Series. Recorded change: Installation of a Stage 3 hushkit when powered by P&W JT8D-7, JT8D-9, JT8D-15, or JT8D-17 Series Engines. Snapshot dated June 30, 2026.

FAA-listed holder
AvAero
Aircraft configurations
3
FAA revision date
FAA status
Current · Surrendered

Recorded modification

What the FAA record covers

ST223CH 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 737-100 Series, Boeing 737-200 Series, and Boeing 737-200C Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-100 SeriesA16WEBoeing 737-200 SeriesA16WEBoeing 737-200C SeriesA16WE

Buyer checks

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