| KGK | PAJZ | Koliganek Airport | New Koliganek | |
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| KKH | PADY | Kongiganak Airport | Kongiganak | |
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| KOT | PFKO | Kotlik Airport | Kotlik | |
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| KKA | PAKK | Koyuk Alfred Adams Airport | Koyuk | |
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| KYU | PFKU | Koyukuk Airport | Koyukuk | |
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| KWT | PFKW | Kwethluk Airport | Kwethluk | |
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| LGD | KLGD | La Grande/Union County Airport | La Grande | |
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| LGC | KLGC | Lagrange Callaway Airport | La Grange | |
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| LCQ | KLCQ | Lake City Gateway Airport | Lake City | |
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| HII | KHII | Lake Havasu City Airport | Lake Havasu City | |
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| LKP | KLKP | Lake Placid Airport | Lake Placid | |
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| ARV | KARV | Lakeland-Noble F. Lee Memorial field | Minocqua | |
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| LAA | KLAA | Lamar Municipal Airport | Lamar | |
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| KLN | PALB | Larsen Bay Airport | Larsen Bay | |
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| LWC | KLWC | Lawrence Municipal Airport | Lawrence | |
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| ANP | KANP | Lee Airport | Annapolis | |
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| AIZ | KAIZ | Lee C Fine Memorial Airport | Kaiser | |
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| GVL | KGVL | Lee Gilmer Memorial Airport | Gainesville | |
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| LOT | KLOT | Lewis University Airport | Lockport | |
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| AOH | KAOH | Lima Allen County Airport | Lima | |
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| LDJ | KLDJ | Linden Airport | Linden | |
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| LVK | KLVK | Livermore Municipal Airport | Livermore | |
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| LPC | KLPC | Lompoc Airport | Lompoc | |
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| LPS | S31 | Lopez Island Airport | Lopez Island | |
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| LAM | KLAM | Los Alamos Airport | Los Alamos | |
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| MAE | KMAE | Madera Municipal Airport | Madera | |
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| GVT | KGVT | Majors Airport | Greenville | |
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| MMH | KMMH | Mammoth Yosemite Airport | Mammoth Lakes | |
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| MNZ | KHEF | Manassas Regional Airport/Harry P. Davis Field | Manassas | |
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| MBL | KMBL | Manistee Co Blacker Airport | Manistee | |
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| MLY | PAML | Manley Hot Springs Airport | Manley Hot Springs | |
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| KMO | PAMB | Manokotak Airport | Manokotak | |
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| AVW | KAVQ | Marana Regional Airport | - | |
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| MRK | KMKY | Marco Island Airport | Marco Island | |
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| MRF | KMRF | Marfa Municipal Airport | Marfa | |
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| OAR | KOAR | Marina Municipal Airport | - | |
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| RMY | KMPI | Mariposa Yosemite Airport | Mariposa | |
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| MFI | KMFI | Marshfield Municipal Airport | Marshfield | |
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| MVY | KMVY | Martha's Vineyard Airport | Martha's Vineyard | |
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| LDM | KLDM | Mason County Airport | Ludington | |
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| MMV | KMMV | Mc Minnville Municipal Airport | - | |
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| MCL | PAIN | McKinley National Park Airport | Mount Mckinley | |
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| MMI | KMMI | McMinn County Airport | Athens | |
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| MEJ | KMEJ | Meade Municipal Airport | Meadville | |
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| SCD | KSCD | Merkel Field Sylacauga Municipal Airport | - | |
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| MGC | KMGC | Michigan City Municipal Airport | Michigan City | |
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| MWL | KMWL | Mineral Wells Airport | Mineral Wells | |
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| MHV | KMHV | Mojave Airport | Mojave | |
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| GAI | KGAI | Montgomery County Airpark | Gaithersburg | |
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| SOP | KSOP | Moore County Airport | Southern Pines | |
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