| M25W1023-4 | Shroud - LH Copilot Seat | Madeira Air Supply Inc | Historical | 1987-06-09 |
| M25W1023-4 | Shroud | Madeira Air Supply Inc | Current | 1988-09-10 |
| M25W1064-1, -2, -3 | Food Tray Ay. | Madeira Air Supply Inc | Current | 1994-03-13 |
| M25W1094 | Assembly Food Tray | Madeira Air Supply Inc | Current | 1988-09-07 |
| M25W1094 Rev N/C dtd 7/7/88 | Assembly Food Tray | Madeira Air Supply Inc | Current | 1988-09-07 |
| M2606 | 6-Cyl. Dual Hardware Kit | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M2650 | 4-Cyl Dual Hardware Kit | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M6205-4 | Dual Harness Kit, 5/8, 4-cyl. | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M6205-4 | Dual Harness Kit, 5/8, 4-cyl | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M6205-6 | Dual Harness Kit, 5/8, 6-cyl. | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M6275 | Hardware Kit-Plug End | Unison Industries (formerly Slick Aircraft Products) | Historical | 1984-05-22 |
| M7503, M6203 | Hardware Kit-Magneto End | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M7505-4 | Dual Harness Kit, 3/4, 4-cyl. | Unison Industries (formerly Slick Aircraft Products) | Historical | 1984-05-22 |
| M7505-4 | Dual Harness Kit, 3/4, 4-cyl | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M7505-6 | Dual Harness Kit, 3/4, 6-cyl. | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| M7505-6 | Dual Harness Kit, 3/4, 6-cyl | Unison Industries (formerly Slick Aircraft Products) | Current | 1984-05-22 |
| MA2008& MA2009 | Vortex Generators | Micro Aerodynamics Inc | Current | 1994-06-27 |
| MA2018 | Vortex Generator Installation | Micro Aerodynamics Inc | Historical | 1995-09-11 |
| Manual No. 1 | Poly-Fiber Aircraft Fabrics and Coatings | Poly-Fiber Inc | Current | 1993-02-24 |
| Manufactured per Process Specification Report 500 | Fiberglass Fabric Covering Kit | Razorback Fabrics Inc (CANCELLED) | Historical | 1992-10-28 |
| Master Dwg List for STC SA522SW | Exhaust Gas Temperature and Cylinder Head Temperature components/systems | Alcor Inc | Current | 1996-09-01 |
| MC600-120 | Mixture Control | McFarlane Aviation Inc | Historical | 2002-10-08 |
| MC600-72 | Mixture Control | McFarlane Aviation Inc | Historical | 2002-10-08 |
| MDL 135 | Pistol Grip Automatic Flagman Control | Automatic Flagman Co | Current | 1990-07-10 |
| MDL 87-1100 | I-5 Overhead Skylights Installation | Boundary Layer Research Ltd | Historical | 1995-10-26 |
| MDL M-1( )-( ) | Manifold Pressure Instrumetn | Electronics International Inc | Current | 1993-04-14 |
| MDL NO. 520-9000 | Lifeport Emergency Medical Stretcher, Patient Loading, & Support System | LifePort Inc | Current | 1995-06-14 |
| MDL NO. 600-1132 | Overhead Console Cabinets | LifePort Inc | Current | 1995-06-14 |
| MDL No. 94AMF001-D01 | Baggage Compartment Installation | Air Metal Fabricators Inc | Current | 1995-10-16 |
| MDL NO. DL003 | Oil Filter Adaptor Installation | Aviation Development Corp (CANCELLED 04/01/2011) | Historical | 1995-12-12 |
| MDL NO. DL005 | Oil Filter/Chip Detector Installation | Aviation Development Corp (CANCELLED 04/01/2011) | Historical | 1995-12-12 |
| MDL NO. DL006 | Sump Mounted Chip Dectector Installation | Aviation Development Corp (CANCELLED 04/01/2011) | Historical | 1995-12-12 |
| MDL No. R34-0444, Revision , A, dtd. 08/29/07, or later FAA approved revision. | Installation of an AvidyneEXP5000 Primary Flight Display (PFD) system | Star Aviation Inc | Historical | 2008-01-08 |
| MDL number 4566M37-B | DuPont PELS Crewmember System | E I Du Pont De Nemours and Co | Current | 1989-11-30 |
| MDL OPT-1( )-( )/( ) | Oil Press/Temp Instrument | Electronics International Inc | Current | 1993-04-14 |
| MDL R-1( )-( ) | RPM Instrument | Electronics International Inc | Current | 1993-04-14 |
| MDL referenced in AML document No. R44-0492, Revision , IR, dtd. 03/31/09, or later FAA approved revision. | Installation of an Aircell Broadband Service (ABS) Passenger Cabin Air-To-Ground (ATG) Voice/Data Communication System | Star Aviation Inc | Current | 2009-03-29 |
| MDL SJH-UHA-001 | Tailboom Extensions | Helipro Corporation International | Current | 1994-06-22 |
| MDL-002-739-2001 | In-Flight Entertainment System. | PS Engineering Inc | Current | 2004-02-17 |
| MDL, 002-800-1000 | PAV80 In-Flight Entertainment Audio-Video System. | PS Engineering Inc | Current | 2003-09-28 |
| Misc | Carpeting, Headliner, Cushions and Panels for Various Airplane Types and Models Listed in Airtex Products Inc Manual of Pattern Specification Charts, Issued June 28, 1993 | Airtex Products Inc | Current | 1992-12-31 |
| Mitchell Model AK375 | - | Century Flight Systems Inc | Historical | 1974-10-05 |
| Mitchell Model AK375 | Remote Annunciator | Century Flight Systems Inc | Historical | 1975-04-14 |
| Model No. A490, TS-(14 or 28) | Strobe Light Power Supply | Whelen Engineering Co Inc | Historical | 1978-03-21 |
| Model No. HDA-DF | Strobe Light Power Supply | Whelen Engineering Co Inc | Historical | 1978-10-02 |
| Model SX-16C | Nightsun Searchlight | Spectrolab Inc | Current | 1980-08-27 |
| Modification Part | Fabric System AT 101 Installation Kit | Air Tech Coatings Inc | Current | 1997-04-13 |
| Modification Part | Fabric System AT 101 Installation Kit | Air Tech Coatings Inc | Current | 1997-04-13 |
| MP-1100-86A | System Display 3 inch | Masten Products Inc | Current | 1994-02-21 |
| MP-1300-90A | Display Assembly Two inch | Masten Products Inc | Current | 1994-02-21 |