| JAC | Jackson Hole Airport | Jackson WY |
| JAN | Jackson-medgar Wiley Evers Intl Airport | Jackson MS |
| JAQ | Westover Field Amador County Airport | Jackson CA |
| JAS | Jasper County-bell Field Airport | Jasper TX |
| JAU | Campbell County Airport | Jacksboro TN |
| JAX | Jacksonville Intl Airport | Jacksonville FL |
| JB01 | Clearwater Aero Estates Airport | Wisconsin Dells WI |
| JBR | Jonesboro Muni Airport | Jonesboro AR |
| JCT | Kimble County Airport | Junction TX |
| JDD | Wood County Airport | Mineola/quitman TX |
| JDN | Jordan Airport | Jordan MT |
| JEF | Jefferson City Memorial Airport | Jefferson City MO |
| JER | Jerome County Airport | Jerome ID |
| JES | Jesup-wayne County Airport | Jesup GA |
| JFK | John F Kennedy Intl Airport | New York NY |
| JFX | Walker County-bevill Field Airport | Jasper AL |
| JFZ | Tazewell County Airport | Richlands VA |
| JGG | Williamsburg-jamestown Airport | Williamsburg VA |
| JHM | Kapalua Airport | Lahaina HI |
| JHN | Stanton County Muni Airport | Johnson KS |
| JHW | Chautauqua County/jamestown Airport | Jamestown NY |
| JKA | Jack Edwards Airport | Gulf Shores AL |
| JKJ | Moorhead Muni Airport | Moorhead MN |
| JKL | Julian Carroll Airport | Jackson KY |
| JLA | Quartz Creek Airport | Cooper Landing AK |
| JLN | Joplin Rgnl Airport | Joplin MO |
| JMC | Commodore Center Heliport | Sausalito CA |
| JMR | Mora Muni Airport | Mora MN |
| JMS | Jamestown Rgnl Airport | Jamestown ND |
| JNU | Juneau Intl Airport | Juneau AK |
| JNX | Johnston County Airport | Smithfield NC |
| JOT | Joliet Rgnl Airport | Joliet IL |
| JPN | Pentagon Ahp Heliport | Washington DC |
| JQD | Ohio County Airport | Hartford KY |
| JQF | Concord Rgnl Airport | Concord NC |
| JRA | West 30th St. Heliport | New York NY |
| JRB | Downtown Manhattan/wall St Heliport | New York NY |
| JRF | Kalaeloa (john Rodgers Field) Airport | Kapolei HI |
| JSD | Sikorsky Heliport | Stratford CT |
| JSO | Cherokee County Airport | Jacksonville TX |
| JST | John Murtha Johnstown-cambria Co Airport | Johnstown PA |
| JSV | Sallisaw Muni Airport | Sallisaw OK |
| JSY | Joseph State Airport | Joseph OR |
| JVL | Southern Wisconsin Rgnl Airport | Janesville WI |
| JVW | John Bell Williams Airport | Raymond MS |
| JVY | Clark Rgnl Airport | Jeffersonville IN |
| JWG | Watonga Rgnl Airport | Watonga OK |
| JWN | John C Tune Airport | Nashville TN |
| JWY | Mid-way Rgnl Airport | Midlothian/waxahachie TX |
| JXI | Fox Stephens Field - Gilmer Muni Airport | Gilmer TX |
| JXN | Jackson County-reynolds Field Airport | Jackson MI |
| JY00 | Pio Costa Enterprises Heliport | Fairfield NJ |
| JY01 | Hunterdon Medical Center Heliport | Flemington NJ |
| JY02 | Trade Zone Heliport | Mount Olive NJ |
| JY04 | Paramount Air Airport | Green Creek NJ |
| JY06 | The Farm Heliport | Bedminster NJ |
| JY08 | Var-sky Airport | Woodstown NJ |
| JY12 | Intl Crossroads Heliport | Mahwah NJ |
| JY13 | Colgate-palmolive/mennen Heliport | Morris Township NJ |
| JY14 | Halka Heliport | Freehold NJ |
| JY15 | Herman Heliport | Medford NJ |
| JY16 | Merrill Creek Reservoir Heliport | Phillipsburg NJ |
| JY17 | Woodcrest Farms Airstrip Airport | Shiloh NJ |
| JY18 | Warren Hopely Heliport | Vincentown NJ |
| JY20 | Bower, Schman & Welch Heliport | Washington NJ |
| JY21 | New Jersey Turnpike Heliport | Jamesburg NJ |
| JY24 | Weiss Farm Airport | Allamuchy NJ |
| JY25 | Liberty Cross Landing Heliport | Gladstone NJ |
| JY26 | Bridgeton Heliport | Bridgeton NJ |
| JY27 | White Willow Heliport | Great Meadows NJ |
| JY28 | Atlantic City Medical Center Heliport | Pomona NJ |
| JY30 | Breezy Acres Farm Heliport | Waterford NJ |
| JY31 | Wide Sky Airpark Airport | Bridgeton NJ |
| JY32 | Bayside State Prison Heliport | Leesburg NJ |
| JY33 | Harmony Balloonport | Phillipsburg NJ |
| JY34 | At&t Bedminster Heliport | Bedminster NJ |
| JY35 | Allen's Seaplane Base | Brick NJ |
| JY36 | Mianecki Heliport | Newton NJ |
| JY39 | Rainbow's End Airport | Salem NJ |
| JY40 | Hess Plaza Heliport | Woodbridge NJ |
| JY42 | Mabel's Balloonport | Frenchtown NJ |
| JY43 | Hill Top Airport | West Milford NJ |
| JYG | St James Muni Airport | St James MN |
| JYL | Plantation Arpk Airport | Sylvania GA |
| JYM | Hillsdale Muni Airport | Hillsdale MI |
| JYO | Leesburg Executive Airport | Leesburg VA |
| JYR | York Muni Airport | York NE |
| JZI | Charleston Executive Airport | Charleston SC |
| JZP | Pickens County Airport | Jasper GA |
| JZZ | Koliganek Airport | Koliganek AK |
