When searching by Airport Identifier, enter either the FAA or ICAO format then select the FAA or ICAO option--e.g., "BWI" to use the FAA style, or "KBWI" to use the ICAO style.
Additionally, use the first letter of an Airport Identifier to return all airports that begin with a letter--e.g., enter a letter such as "B" (FAA Style), or "KB" (ICAO Style) to return Airports that begin with the letter "B".
When searching by State, select from the State select box, then click the "Search" button. You will be presented a filter page to limit the search by City or Airport Name.
When searching by Airport Name, enter the first several letters of the name, or enter the exact Airport Name. Then click the "Search" button.
When searching by Volume, select the volume from the select box then click the "Search" button.
The "Show all airports/cities for this State" check box sets the search to return all airports/cities for the selected State. Selecting this box will also clear the volume, airport name, identifier, and city fields.
The "Show Airport Diagrams only" check box sets the search to return only the Airport Diagrams for the selected options.
To apply these filters, select the check boxes, set other options, then click the "Search" button.
To apply this filter, enter or select the primary search option (Airport Identifier, State, Airport Name, or Volume), choose the filter option then click the "Search" button.