Aerospace Technologies (N22B, N24A with Hartzell HC-A3VF-7, -7B/V10133 with STC SA812NE installed)
Air Tractor (AT-302, AT-400 with Hartzell HC-B3TN-5C,-5M,-3D/T10282 with STC SA812NE installed)
Ayres (S2R-T11 with Hartzell HC-B3TN-3C, -3D/T10282 with STC SA812NE installed)
Bombardier, Inc. (DHC-6-300 with Hartzell HC-B3TN-3(D)(Y)/T10282 with STC SA812NE installed)
British Aerospace (HP.137MK.1 (when modified by STC SA2293SW) with Hartzell HC-B3TN-3D/T10282 with STC SA812NE installed)
Cessna (441 with Hartzell HC-B3TN-5E, -5M/T10178 with STC SA812NE installed)
Construcciones (CASA) (C212-100 Aviocar with Hartzell HC-B4TN-5EL/T10282 with STC SA812NE installed)
deHavilland (DHC-2MK.III with Hartzell HC-B3TN-3, -3B, -3BY/T10173 with STC SA812NE installed)
Embraer Empresa (EMB-110P1, EMB-110P2 with Hartzell HC-B3TN-3C, -3D/T10178 with STC SA812NE installed)
Fairchild Aircraft (SA226-AT, SA226-T with Hartzell HC-B3TN-5()/T10282 with STC SA812NE installed, SA226-TC, STC SA344GL-D) with Hartzell HC-B3TN-5()/T10282 with STC SA812NE installed, SA226-TC with Hartzell HC-B4TN-5()/T10282 with STC SA812NE installed)
Gulfstream (Aero Commander 690, 690A, 690B with Hartzell HC-B3TN-5()/T10282 with STC SA812NE installed)
Israel (101 Arava, 101B Arava with Hartzell HC-B3TN-3D/T10282 with STC SA812NE installed)
McKinnon (G-21E, G-21G with Hartzell HC-B3TN-3DY/T10178 with STC SA812NE installed)
Mitsubishi (MU-2B-15, MU-2B-20, MU-2B-30 with Hartzell HC-B3TN-5/T10178 with STC SA812NE installed, MU-2B, MU-2B-10 with Hartzell HC-B3TN-5()/T10176, T10178 with STC SA812NE installed, MU-2B-25, MU-2B-26, MU-2B-35, MU-2B-36 with Hartzell HC-B3TN-5/T10178 with STC SA812NE installed)
Pilatus Aircraft (PC-6/B-H2, PC-6/B1-H2 with Hartzell HC-B3TN-3C/T10173 with STC SA812NE installed, PC-6/C-H2, PC-6/C1-H2 with Hartzell HC-B3TN-5C/T10178 with STC SA812NE installed)
Piper (PA-42, PA-42-720 with Hartzell HC-B3TN-3B, -3K/T10173 with STC SA812NE installed)
Raytheon (Beech) (F90 with Hartzell HC-B4TN-3A, -3B/T10173 with STC SA812NE installed, B90, C90, E90, H90 with Hartzell HC-B3TN-3B, -3M/T10173 with STC SA812NE installed, 65-90, 65-A90, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 with Hartzell HC-B3TN-3B,-3M,-2B/T10173 with STC SA812NE installed, T-34C with Hartzell HC-B3TN-3H/T10173 with STC SA812NE installed, B100 with Hartzell HC-B4TN-5C, -5F/T10173 with STC SA812NE installed, JRB-6, (STC SA1171WE) with Hartzell HC-B3TN-5C/T10173 with STC SA812NE installed, D18C, D18S, E18S-9700, C45G, C45H, TC-45G, TC-45H, TC-45J (STC SA2204WE) with Hartzell HC-B3TN-5C/T10176, T10178 with STC SA812NE installed, 99, 99A, A99, A99A with Hartzell HC-B3TN-3B/T10173 with STC SA812NE installed, 200, 200C, 200CT, 200T, A200, A200C, A200CT, B200, B200C, B200CT, B200T with Hartzell HC-B3TN-3G, -3N/T10178 with STC SA812NE installed, A100, A100A, A100-1 with Hartzell HC-B3TN-3, -3A/T10173 with STC SA812NE installed, C99, 100 with Hartzell HC-B3TN-3B, -3M/T10173)
Short Brothers (SC-7 Series 3 Variant 200 with Hartzell HC-B3TN-5()/T10282 with STC SA812NE installed, SC-7 Series 3 Variant 200 STC SA02059AK) with Hartzell HC-B4TN-5()/T10282 with STC SA812NE installed)
