HEAT TRANSFER PRODUCTS INC.

AERO-CLASSICS 1677 Curtiss Ct. La Verne CA 91750 USA Tel: 909-596-1630 Fax: 909-596-1753 www.aero-classics.com HEAT TRANSFER PRODUCTS INC. Aero-Classics Aviation Oil Coolers with FAA/PMA 8000074 9 row drawn cup 8000075 7 row drawn cup 8000215 13 row drawn cup 8000216 17 row drawn cup 8000328 Niagara: 20003A Harrison: 8529245 Niagara: 20002A Harrison: 8526250 Piper: 18622-00 Niagara: 20006A Harrison: 8534108 Niagara: 20008A Harrison: 8521940 Eligible Aircraft, Make and Model *(Bold italics indicates additions as of rev date)* Cub Crafters Inc.: CC18-180, CC18-180A Maule: M-5-235C, M-6-235, M-5-180C, M-6-180 Piper: PA28-236, PA32-300 Piper: PA-18, -18A, -18S, -18 105 Special, -18 125 (Army L-21A), -18S 125, -18AS 125, -18 135 (Army L-21B), -18A 135, -18S 135, -18AS 135, -18 150, -18A 150, -18S 150, -18AS 150, -19 (Army L-18C), -19S When modified IAW: Cub Crafters Inc. STC# SA00718SE Piper: PA-18, -18S, -18 105, -18S 105, -18A, -18 125, -18S 125, -18AS 125, -18 135, -18A 135, -18S 135, -18AS 135, -18 150, -18A 150, -18S 150, -18AS 150, -19, -19S When modified IAW: Cub Crafters Inc. STC# SA92NW Cessna: 150, 152, A152, 170, 172, 175, 177 Mooney: M20C, M20D Piper: PA-23-150, PA-23-160 (s/n: 23-163 and up), PA- 24, PA28-140, PA-28-150, PA-28-151, PA-28-160, PA- 28-161, PA-28-180, PA-28-181, PA-30, PA-39, PA-32-260 Raytheon (BEECH): 19, C23, A24R, C24R Socata: TB9, TB10 Taylorcraft 2000, LLC: F22B, F22C, F22R Univair (STINSON): 108, 108-1, 108-2, 108-3 Pilatus Brittan-Norman: BN-2A, BN-2B Piper: PA-25, PA-28, PA-30 Sky International (PITTS): S-2B Socata: TB20, TB200 Robinson Helicopter: R22 Piper: PA-18, PA-18A, PA22-135, PA22-150, PA22-160 Page 1 of 7

8000343 9 row, 2 pass drawn cup 8000353 18 row drawn cup 8000356 8000357 8000590 w/ valve 8000618 Bar & plate Avail thru Turbine & 8000661 13 row, drawn cup w/ cut-out 8000950 w/ valve 8000997 w/ valve 8001080 7 row, drawn cup -8 straight threads 8001201 (Continued) Aviation Oil Coolers with FAA/PMA Eligible Aircraft, Make and Model *(Bold italics indicates additions as of rev date)* Piper: PA-23, PA23-235, PA23-250, PA25-235, PA-31, PA24-260 (S/N: 24-4783, 24-4804 and up) Niagara: 20104A Harrison: 8530016 Harrison: 8537798 Niagara: 20009A Harrison: 8533718 Twin Commander Aircraft LLC.: P/N 630146-509 Niagara: 20010A Harrison: 8535311 Niagara: 20015A Niagara: 20044A Harrison: 8541336 Lori: L8540012 Harrison: 8540012 Harrison: 8538233 Lori: L8538233 Stewart Warner: 10717C Niagara: 20017A Harrison: 8537820 Piper: 67848-00 Harrison: 8537831 Niagara: 20012A Fairchild: 27-19255-001 Harrison: 8546922 Niagara: 20710A Piper: 85472-012 Harrison: 8543897 Piper: 556-391 Commander: 114, 114A Sky International (PITTS): S-2B Socata: TB20, TB200 Twin Commander Aircraft LLC: 500S Piper: PA31-310, PA31-325, PA31-350, PA32R-301, PA32R-301T, PA32RT-300, PA32RT-300T AEROSTAR: 601, 601P, 602P, 700P Bombardier: DHC-6-100, DHC-6-200, DHC-6-300 Thrush Aircraft: S2R-T34 S/N T34-273 and up, S2RHG-T34 S/N T34HG-103 and up, S2R-T660 S/N T34HG-103 and up, S2RHG-T65 S/N T65HG-010DC and up Bombardier (Otter): When Modified IAW Texas Turbine Conversions STC# SA09866SC SOCATA: TBM700 Piper: PA-28R-200, PA-28R-201, PA-28R-201T, PA-34-200 Fairchild Aircraft: SA226-TC Beech: A36, A36TC When modified IAW STC # SA3523nm Fairchild Aircraft: SA227-AC (C-26A), SA227-PC, SA227-BC (C-26A), SA227-CC, DC Piper: PA-28-181 PA-32R-300 Page 2 of 7

8001241 2 hole 7 oil cooler 8001467 w/ valve 8001535 8001588 8001599 8001602 8001628 3 hole 7 oil cooler 8001640 8001643 8001646 8001652 8001689 (Continued) Aviation Oil Coolers with FAA/PMA UAP: U6007DV8 Niagara: 10021A Beechcraft: 100-389015-5 Stewart Warner: 10578R Cessna: 10578R True Flight Holding LLC. : 5505002-1 Stewart Warner: 10877A Cessna: 10877A Stewart Warner: 10599R Cessna: 10599R Diamond Aircraft: 10599T Mooney: 620036 Beech: 169-910002-23, 169-380001-1 Stewart Warner: 8406R B-N Group Ltd. P/N 354501026 Clifford: 60680 Stewart Warner :10568R True Flight Holding LLC: 5505002-2 Stewart Warner: 10614R Cessna: 10614R Stewart Warner: 10610R Cessna: 10610R Stewart Warner: 10634R Cessna: 10634R Stewart Warner: 8432R Mooney: 620016, 620052 Eligible Aircraft, Make and Model *(Bold italics indicates additions as of rev date)* Viking Air Limited DHC-2 Mk. I, DHC-2 Mk. II, DHC-2 Mk. III (Beaver) King Air C90, C90A, E90, F90, 100, 200 Cessna: 162 True Flight Holding LLC AA5A Series (Cheetah) Cessna: 172R, 172S Cessna: 172N Diamond Aircraft: DA20-C1 Mooney: M20, M20A, M20B, M20C, M20D, M20G Hawker Beechcraft: 19A, B19, A23, A23A, A23-24, A24, A24R, B23, C23 B-N Group Ltd.: BN-2, BN-2A,BN-2A-6, BN-2A-8, BN-2A-2, BN-2A-9, BN-2A-3, BN-2A-20, BN-2T-4R, BN-2A-21, BN-2A-26, BN-2A-27, BN-2B-20, BN-2B-21, BN-2B-26, BN-2B-27 Viking Air Limited DHC-2 Mk. I, DHC-2 Mk. II, DHC-2 Mk. III (Beaver) True Flight Holding LLC AA-5 (Tiger) Cessna: R182, TR182 Cessna: 182, R182, TR182 Cessna: P210, 210, 210A, 210B, 210C, 210D, 210E, 210F, T210F, 210G, T210G, 210H, T210H, 210J, T210J, 210K, T210K, 210L, T210L, 210M, T210M, 210N, P210N, T210N, 210R, P210R, T210R, 210-5, 210-5A Mooney: M20E, M20F, M20J Page 3 of 7

(Continued) Aviation Oil Coolers with FAA/PMA 8001694 8001701 8001713 8001718 8001723 8001733 8001819 2 Hole 8 oil cooler 8001956 8002015 8002038 8002268 8002299 8002319 8002320 8002437 Stewart Warner: 8432S Mooney: 6200160501 Beech: 169-380033 Stewart Warner: 10865B Cessna: 10865B Stewart Warner: 10880A Cessna: 10880A Stewart Warner: 10891A Cessna: 10891A Stewart Warner: 10886A Robinson: 10886A Stewart Warner: 8406R Cessna: 8406R UAP: U6008 S/W Meggit: 10631S Piper: 32330-07 Air tractor: 51158-1 S/W Meggit: 10848A Stewart Warner: 10729B MD Helicopter: 369D-28312 Mooney: M20E, M20F Hawker Beechcraft A23-24 Cessna: TP206A, TP206B, TP206C, T206H, TP206D, TP206E, TU206A, TU206B, TU206C, TU206D, TU206E, TU205F, TU206G Cessna: 206, P206, P206A, P206B, P206C, P206D, P206E, U206, U206A, 206H, U206B, U206C, U206D, U206E, U206F, U206G Cessna: T182, TR182, T182T Robinson: R44, R44 II Cessna: 172, 177RG Allied Ag Cat Productions, Inc. : G-164A Piper: PA-23-250 Cessna: 9910636-1 Cessna: 208 Diamond Aircraft: 10578T Beechcraft Corporation 18-380001 Beechcraft Corporation 18-380001-1 Lycoming Engines LW-10025 Air tractor: AT-802, AT-802A MD Helicopters Inc.: MD500N, MD600N Diamond Aircraft: DA20-C1 Beechcraft: D18S, D18C, E18S, E18S-9700, G18S Beechcraft: D18S, D18C, E18S, E18S-9700, G18S TIO-541-E1A4, TIO-541-E1B4, TIO-541-E1C4, TIO-541-E1D4, Page 4 of 7

AERO-CLASSICS HEAT TRANSFER PRODUCTS INC. 1677 Curtiss Ct. La Verne CA 91750 USA Tel: 909-596-1630 Fax: 909-596-1753 www.aero-classics.com Aero-Classics Continental Engine Oil Coolers with FAA/PMA Rev. Date 28/SEP/2015 8000127 11.5 Non-Congealing 7 th Stud 8000307 11 Non-Congealing 7 th Stud 8000319 11 Non-Congealing Universal 7 th Stud 8000440 Rear mount (Valve P/N 639305 small) 8000464 Rear mount (Valve P/N 639305 small) 8000531 11.5 Non-Congealing Universal 7 th Stud 8000545 10 Non-Congealing Universal 7 th Stud 8000677 10 Non-Congealing 7 th Stud 8000683 12 Bolt Congealing Non 7 th Stud 8000687 12 Bolt Congealing 7 th Stud 8000925 8 Bolt Continental: 652759 Niagara: 20448A Continental: 654593 Niagara: 20618A Continental: 639151 Niagara: 20446A Continental: 654580 Niagara: 10279A Continental: 646685 Niagara: 10196A Continental: 639152 Niagara: 20623A Continental: 639171 Niagara: 20795A Continental: 654595 Niagara: 20617A Continental: 626189 Niagara: 20573A Continental: 652671 Niagara: 20440A Continental: 627392 Niagara: 20585A Eligible Engine, Make and Model IO-470-L O-470-F, K, L, R IO-470-L TSIO-520-BE, E, J, L, N, VB, WB, EB, JB, LB, NB IO-550-B, C, G TSIO-550-E GTSIO-520-C, D, F, H, K, L, M, N O-470-M IO-470-D, U, V O-470-R, S, U TSIO-520-C, G, H, M, P, R, T, AF, CE IO550-D, E, F, L TSIO-520-C, G, H, M, P, R, T, AF, CE IO-550-D, E, F, L O-470-B, J, K, L, M, R IO-470-D, F, L, M, S L/TSIO-520-AE IO-550-D L/TSIO-520-AE IO-550-D O-470-A,B,E,G,J,K,L,M,P,R,S,U IO-470- C,D,E,F,G,H,J,K,L,M,N,P,R,S,U,V Page 5 of 7

8000934 8 Bolt 8000953 Rear mount (Valve P/N 649369 Large) 8000960 Rear Mount (Valve P/N 639305 small) 8001213 Rear mount (Valve P/N 649369 Large) (Continued) Continental Engine Oil Coolers with FAA/PMA Rev. Date 28/SEP/2015 Continental: 646880 Niagara: 20591A Continental: 654585 Niagara: 10281A Continental: 654572 Niagara: 10278A Continental: 655090 Niagara: 10278A Eligible Engine, Make and Model *(Bold italics indicates additions as of rev date)* IO-360-A, AB, C, CB, D, DB, G, GB, H, HB, HB9, J, JB, K, KB, ES TSIO-360-A, AB, B, C, CB, D, DB, E, F, GB, H, JB, KB, LB, MB L/TSIO-360-E, EB, F, FB, GB, H, HB, JB, KB, LB, MB, RB IO-550-G, N, P, R, IO-F550-G, N, P, R TSIO-550-C, G IO-520-B, BA, BB, C, CB, M, MB TSIO-520-B, D, K, UB IO-550-A, B, C IO-550-B, C IOF-550-B, C TSIO-520-B Page 6 of 7

AERO-CLASSICS HEAT TRANSFER PRODUCTS INC. 1677 Curtiss Ct. La Verne CA 91750 USA Tel: 909-596-1630 Fax: 909-596-1753 www.aero-classics.com 8000081 10 row, drawn cup 8000706 8000942 8001649 11 row HE Series Oil Coolers with No or pending FAA/PMA Rev. Date 12/OCT/2016 Harrison 8547333 Niagara 20004A Harrison 8545632 Niagara 20037A Harrison 8539250 Niagara 20480A Stewart Warner 10611R Page 7 of 7