DOI OPERATIONAL PROCEDURES MEMORANDUM (OPM) - 23
Subject: DOI Like Make and Model Groups AND
DOI Helicopter Like Make and Model Groups, plus "Series" Groups
Effective Date: January 1, 2026
Last Updated: January 1, 2019
Expiration Date: December 31, 2026
1. Summary of Changes.
2. Purpose. This OPM clarifies the "Like Make and Models" of helicopters and airplanes; and "Like, Make, Model, and Series" for helicopters.
3. General. Groupings of like makes and models of aircraft allow determination of pilot recency of experience.
4. Policy.
APPENDIX 1
OPM - 23 Appendix 1 - Page 1 APPENDIX 1 LIKE MAKE AND MODELS Aircraft within each block are considered like make and model RECIPROCATING ENGINE AIRPLANES Make Models American Champion 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC Aviat A-1, A-1A, A-1B, A-1C Cessna L-19 Cubcrafters CC11, CC18, CC19 Piper PA-11, 12, 14, 16, 18, 20, J3, J4, J5 Beechcraft 33, 35, 36 Cessna 172RG, 177RG, 182RG, C210 Bellanca 17-30, 31 Piper PA-24, 28R, 32R Cessna 172, 175, 177, 182, 205, 206, 207 Beechcraft 19, 23, 24 Piper PA-32, 22, 28 (Fixed Gear) Cessna 170, 180, 185, L-19 Found FBA-2C1, FBA-2C2 Helio H250, H295, H700, H800 Maule M-4, 5, 6, 7, MX-6, 7, 9 Beechcraft 50, 55, 56, 58, 60, 65, 80, 70, 95 Cessna 336, 337 Cessna 300 series, 400 series Cessna TTx, Columbia 350, 400 Cirrus SR20, 22 Douglas DC-6, DC-7 Piper M350, Matrix Rockwell-Commander 500 series, 680, 720 NOTE: Reciprocating airplanes with the same type rating designation are considered like make and models.
OPM - 23 Appendix 1 - Page 2 Aircraft within each block are considered like make and model TURBOPROP AIRPLANES Make Models Beechcraft B65-A90, 90, 99, 100, 200 and 250, FWC-12, C-12 (except C-12J), RC-12, T-44, U-21, UC-12 (except UC-12W), VC-6 Beechcraft 300, 350, MC-12, UC-12W Beechcraft 1900, C-12J Cessna Soloy 206 and 207, 208 Cessna 406, 425, 441 Commander 680 T.V.W.; 681, 690, 840, 900, 980, 1000 Piper PA-31T and PA-42 Piper M500, M600 Swearingen SA26, SA226, SA227, C-26 NOTE: Turboprop airplanes with the same type rating designation are considered like make and models.
JET AIRPLANES Make Models Cessna 500, 501, 550, S550, 551, 552, 560 (except 560XL, 560XLS, 560XLS+), T-47A, OT-47B, UC-35A, UC-35B, UC-35C, UC-35D Lear Jet 24, 25, 28, 29, 31, 35, 36, 55 NOTE: Jet airplanes with the same type rating designation are considered like make and models.
OPM - 23 Appendix 1 - Page 3 HELICOPTER LIKE MAKE, MODEL, and SERIES Make Model Groups* Series Groups** Airbus H125/AS350 All AS350C, AS350D, AS350D1, AS350B, AS350B1, AS350B2, AS350BA Airbus H125/AS350 AS350B3, AS350B3e Airbus H125/AS350 AS350FX, AS350FX2, AS350SD2 Airbus EC-130 EC130B4, EC130T2 Airbus SA 315, SA 316, SA 319 All Airbus H215, AS 330, 332 All Airbus H45, EC145, UH-72A, BK All Bell 204, 205, 210, 212 Single, UH- All 1 (single engine) Bell 206 All 206B, TH67, OH-58A, OH-58C Bell 206 All 206L Bell 407 407, 407GT, 407GX, OH-58D Bell 407 407HP (Eagle) Bell 212, 412, UH-1N (twin All 212, All UH-1N (twin engine) engine) Bell 212, 412, UH-1N (twin All 412 engine) Bell 214, (except 214ST) All Hiller UH-12 (except turbine), H-23, All OH-23, UH-23 Kawasaki KV107, BV107, CH-46 All MD Helicopters 369, 500, 520, 530, 600, OH-6 All 369/500 (except 369F, 369FF and 500N) MD Helicopters 369, 500, 520, 530, 600, OH-6 369F and 369FF MD Helicopters 900, 902 All Robinson R-44 All Scotts-Bell 47 (except turbine), H-13 All Sikorsky S-64, CH-54 All Sikorsky S-70, UH-60 All OPM - 23 Appendix 1 - Page 4 *Aircraft within each block are considered like make and model, as well as unlisted aircraft with the same model number. PIC time accumulated in an aircraft model or combination of models from the same block will meet PIC make and model experience requirements.
**Aircraft within each block are considered like series, PIC time accumulated in an aircraft series or combination of aircraft series from the same block will meet PIC make, model, and series experience requirements.
NOTE: Helicopters with the same type rating designation are considered like make and models.