Which ICAO code is for the airport in New Orleans?

The ICAO code for the airport in New Orleans is KMSY. This code corresponds to Louis Armstrong New Orleans International Airport, which serves the city and is the primary airport in the region.

Understanding ICAO codes is important in aviation as they are used internationally to identify airports in a standardized manner. Each ICAO code consists of four characters, where the first letter typically represents a geographical area or country. In this case, the letter 'K' indicates that the airport is located in the United States.

The other choices refer to different airports: KNEW is the ICAO code for Lakefront Airport in New Orleans, which is different from the primary international airport. KJAX is the ICAO code for Jacksonville International Airport in Florida, and KJAN is the code for Jackson-Medgar Wiley Evers International Airport in Mississippi. Thus, the correct choice reflects the main international airport serving New Orleans.