District of Columbia

District of Columbia, United States has 21 aerodromes in Sprinkle's airport directory. Of the 21 entries listed here, 20 are classified Heliport and 1 International. Across the same set, 2 carry a four-letter ICAO location indicator and 19 have neither on file. Named examples include Anacostia USN Heliport (KNDV), Metropolitan Police Department 2nd District Heliport and White House South Lawn Helipad. Their names span 10 letter groups, from A to W, each reachable from the A–Z rail above.