Who holds what · as the FAA records the name

Twin Commander Aircraft LLC

Holds 3 type certificates (31 models). Holds 6 approved modifications, most of them for the Aero Commander 680. FAA spelling: Twin Commander Aircraft LLC.

Type certificates 3

2A4Aircraft · 680-V, 680-F(P), 680-F, 680-E, 695B, 690C and 15 more

6A1Aircraft · 500, 500A, 500B, 500U, 520, 560 and 3 more

A12SWAircraft · 700

Approved modifications 6 · newest first

Aero Commander 680 1

2014-07-24SA710SW · Installation of United Aircraft of Canada Limited PT6A-20 engine. · 680-T

2014-07-24SA01762SE · Fabrication and Installation of Fuel Quantity Indication System. · 690, 690A, 690B

2014-07-24SA546GL · Installation of Hartzell Model HC-B3TN-5FL/LT10673 or LT10673B propellers. · 690, 690A, 690B

2014-07-24SA260SW · Installation of a Protective Device in the ground side of the Battery and External Power relays · 500-A, 500-B, 500

2014-07-24SA236CH · Installation of Allied Signal, Inc., (Garrett) TPE331-10T series engines (-512K, -515K, or -516K in the 690A and... · 690A, 690B, 690C

2014-07-24SA09247AC · Replace the engine exhaust ejector assembly, P/N 260042-55 LH & P/N 260042-56 RH, with a heavier gauge ejector which... · 690, 690A, 690B

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.