| Flughafenkürzel |
Stadt / Flughafen |
| HYA |
Hyannis, MA - Barnstable Municipal Airport-Boardman/Polando Field |
| HYG |
Hydaburg, AK - Hydaburg Seaplane Base |
| WHD |
Hyder, AK - Hyder Seaplane Base |
| ICY |
Icy Bay, AK - Icy Bay Airport |
| IDG |
Ida Grove, IA - Ida Grove Municipal Airport |
| IDA |
Idaho Falls, ID - Fanning Field |
| IGG |
Igiugig, AK - Igiugig Airport |
| ILI |
Iliamna, AK - Iliamna Airport |
| IMM |
Immokalee, FL - Immokalee Airport |
| NRS |
Imperial Beach, CA - Imperial Beach Naval Outlying Field |
| IML |
Imperial, NE - Imperial Municipal Airport |
| IIB |
Independence, IA - Independence Municipal Airport |
| IDP |
Independence, KS - Independence Municipal Airport |
| INS |
Indian Springs, NV - Indian Springs Air Force Auxiliary Airport |
| IDI |
Indiana, PA - Indiana County (Jimmy Stewart Field) |
| HFY |
Indianapolis, IN - Greenwood Municipal Airport |
| IND |
Indianapolis, IN - Indianapolis International Airport |
| UMP |
Indianapolis, IN - Indianapolis Metropolitan Airport |
| MQJ |
Indianapolis, IN - Mount Comfort Airport |
| IDL |
Indianola, MS - Indianola Municipal Airport |
| INL |
International Falls, MN - Falls International Airport |
| IYK |
Inyokern, CA - Inyokern Airport |
| IOW |
Iowa City, IA - Iowa City Municipal Airport |
| IFA |
Iowa Falls, IA - Iowa Falls Municipal Airport |
| PHQ |
Ipswich, MA - Snow Airport |
| IRB |
Iraan, TX - Iraan Municipal Airport |
| IMT |
Iron Mountain/Kingsford, MI - Ford Airport |
| IWD |
Ironwood, MI - Gogebic County Airport |
| SBG |
Irving, TX - Surtran Building/McDavid Pontiac Company Heliport |
| ISL |
Isabel Pass, AK |
| ISP |
Islip, NY - Long Island Mac Arthur Airport |
| ITH |
Ithaca, NY - Tompkins County Airport |
| KIB |
Ivanof Bay, AK - Ivanof Bay Seaplane Base |
| IVH |
Ivishak, AK |
| KPT |
Jackpot, NV - Jackpot Airport/Hayden Field |
| JKL |
Jackson, KY - Julian Carroll Airport |
| JXN |
Jackson, MI - Jackson County Airport-Reynolds Field |
| MJQ |
Jackson, MN - Jackson Municipal Airport |
| HKS |
Jackson, MS - Hawkins Field |
| JAN |
Jackson, MS - Jackson International Airport |
| MKL |
Jackson, TN - McKellar-Sipes Regional Airport |
| JAC |
Jackson, WY - Jackson Hole Airport |
| LRF |
Jacksonville, AR - Little Rock Air Force Base |
| NZC |
Jacksonville, FL - Cecil Field Naval Air Station |
| CRG |
Jacksonville, FL - Craig Municipal Airport |
| JAX |
Jacksonville, FL - Jacksonville International Airport |
| NIP |
Jacksonville, FL - Jacksonville Naval Air Station (Towers Field) |
| NEN |
Jacksonville, FL - Whitehouse Naval Outlying Field |
| IJX |
Jacksonville, IL - Jacksonville Municipal Airport |
| OAJ |
Jacksonville, NC - Albert J. Ellis Airport |