Bell (206A, 206B, 206L, 206L-1, 206L-3, 206L-4, 407, 47B, B3, D, D1, E, C, C-2, H-1, 47G-2A, -2A-1, -3, -3B, -3B1, -3B-27, -4, -4A, -5, -5A, 47J, K, J-2, J-2A)
Bellanca (14-19-3A, 17-30, 17-30A, 17-31A, 17-31ATC, 7EC, 7ECA, 7FC, 7GC, 7GCA, 7GCAA, 7GCB, 7GCBA, 7GCBC, 7HC, 7JC, 7KCAB)
Britten Norman (BN-2, -2A, -2A-2, -2A-6, -2A-8, BN-2A, MK.111)
Cessna (182, 182A, B, C, D, E, F, G, H, J, K, L, M, N, P, Q, R, T182, R182, TR182, 185, 185A, B, C, D, E, A185E, A185F, 188, 188A, B, A188, A188A, 188B, T188C, 190, 195, 195A, B, 206, P206, P206A, B, C, D, E, TU206A, B, C, D, E, F,G, TP206A, B, C, D, E, *320, A, B, C, D, E, F, 320-1, 340, 340A, *336, 337, 337A, B, C, D, T337D, 337E, 337F, T337F, T337G, *401, 401A, B, 402A, B, 411, 411A, 421, 421A, 414, 4 21B (*require specific attention to proper balancing of rudder)
120, 140, 140A, 150, 150A, B, C, D, E, F, G, H, J, K, L, M, A150K, A150L, AI50M, 152, A152, 170, 170A, 170B, 172, 172A, B, C, D, E, F, G, H, I, K, L, M, N, P, 175,175A, B, D, P172D, 172RG, 177, 177A, B, 177RG, 180, 180A, B, C, D, E, F, G, H, J, K, 310A, B, C, D, E, F, G, H, I, J 310J-1, E310J, 310K, L, N, P, T310P, 310Q, T310Q, U206, U206A, B, C, D, E, F, G, 207, 207A, T207, T207A, 210, 210A, 210B, 210C, 210D, 210E, 210F, T210F, 210G, T210G, 210H, T210H, 210J, T210J, 210K, 210-5(205)
210-5A(205A)
T210K, 210L, T210L, T210M, T210N, 210N, P210N, 310)
Commander Aircraft (112)
deHavilland (DHC-2, MK.I, MK.II, MK.III, DHC-3, DHC-6 MODELS 1, 100, 110, 200, 210, 300)
Dynac (100, 100-180 (require specific attention to proper balancing of rudder))
FH1100 Manufacturing Corporation (FH-1100)
Grumman (G-164, G-164A, G-164B)
Gulfstream (111)
Helio Aircraft (H-250, H-295, H-391, H-391B, H-395, H395A)
Mitsubishi (MU-2B, MU-2B-10, -15, -20, -30)
Mooney Aircraft (M20B, C, D, E, F, G)
Piper (PA-23, PA-23-160, * PA-23-235,* PA-23-250,* PA-E23-250, PA-24, -24-250, 24-260, -24-400, (*require specific attention to proper balancing of rudder)
PA-28-140, -28-150, -28-151, -28-160, -28-161, -28-180, 28-235, -28S-160, -28R-180, - 28S-180, -28-181, 28R-200, -28R-201, -28R201T, -28RT-201, -28RT-201T,-28 -201T, -28-236, PA-30, PA-39, PA-31P, PA-31, PA-31-300, 325, 350, PA-32-260, -32-300, -32S-30, PA-11, PA-12, PA-14, PA-15, PA-16, PA-17, PA-18 Series, PA-19, PA-20, PA-22 Series, PA-25 Series, (require prior or concurrent installation of STC SA4-977))
Raytheon (Beech) (23, A23, A23A, A23-19, -24, -19A, BI9, M19A, B23, C23, A24, A24R, 35, A35, B35, C35, D35, E35, F35, G35, 35R, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, 36, A36, E33, E33A, E33C, F33, F33A, F33C, 50(L-23A)
B50(L-23B)
C50, D50(L-23E, D50A, D50B, D50C, D50E, E50 (L-23D, RL-23D)
F50, G50, H50, J50, 95-55, 95-A55, 95-B55, 95-B55B (T-42A)
95-B55D, 95C55, 95, B95, B95A, D95A, E95, D55, D55A, E55, E55A, 56TC, A56TC, 58, 65-(L23F)
A65, A65-8200, 65A80, 65-A80-8800, 65-B80, 65-88, B90, C90, 65-90, 65-A90, 65-A90-1, (U21A, RU-21A, RU-21D)
65-A90-2, (RU-21B)
65-A90-3, (RU-21C)
70, 60, A60, 99, 99A, 100)
Schweizer (269A, 269A-1, 269B, 269C)
Tiger Aircraft (*AA-1, * AA-1A, AA-5 (*require specific attention to proper balancing of rudder))
Twin Commander (500, 500A, 500B, 500-S, &500-U, 520, 560, 560A, 560E, 560F, 680, 680E, -F, 720, 680FL, 680FL (P)
680T, V, W, 681, 690, 685)
Univair Aircraft Corp (108, 108-1, -2, -3, -5)