STC SA01073SE
FAA DRS lists SA01073SE as Current · Reissued, held by Clearwater Air Inc, for Twin Commander Aircraft 690A. Recorded change: Increase maximum ramp weight to 11,050 lbs. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Increase maximum ramp weight to 11,050 lbs.
SA01073SE 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: Twin Commander Aircraft 690A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Twin Commander Aircraft 690A model, serial range, and configuration?
- 02Which limits, loading assumptions, performance data, and supplements apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related aircraft performance STCs
Increase in gross weight to 22,500 pounds takeoff and 20,500 landing.
FAA holder: Signature Flight Support Corporation
Installation of airspeed system.
FAA holder: Signature Flight Support Corporation
Installation of Innovative System and Support, Inc, Altitude Control System (ACS), Digital Air Data Computer, Altimeter, Airspeed Indicator, and Altitude Alerter.
FAA holder: Aircraft Systems & Mfg
Installation of RAM series VII 335 horsepower engines, increase takeoff weight to 6,390 pounds, and increase landing weight to 6,075 pounds.
FAA holder: RAM Aircraft Limited Partnership