Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Henderson Executive Airport is HND to the FAA and HSH to the IATA (which assigned HND to Haneda Airport in Tokyo, Japan).
The majority of U.S. airports use the same three-letter location identifiers for both the FAA and IATA, but there is an exception with Henderson Executive Airport, which has different codes, HND for the FAA and HSH for the IATA, mistakenly assigned to Tokyo's Haneda Airport in Japan.