Airport GPZ is Gordon Newstrom Airport, Grand Rapids, Minnesota, USA Grand Rapids, Michigan, is GRR
Similar to GPZ
01B - Woodstock Airport, South Woodstock, Connecticut USA01C - Grant Airport, Grant, Michigan USA
01G - Perry-Warsaw Airport, Perry, New York USA
01H - McChristy Airport, Stonington, Illinois USA
01ID - Lava Hot Springs Airport, Lava Hot Springs, Idaho USA
01IL - Hoopeston Community Memorial Hospital Heliport, Hoopeston, Illinois USA
01IN - Community Hospital Heliport, Anderson, Indiana USA
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