Shamrock was founded in 1959. The FBO was a Cessna pilot center and dealership. Starting in 1972 they began operating DC-3s for charter flights as Crystal Shamrock Airlines. In 1980 the airline transported Herb Brooks and the U.S. Olympic Hockey Team to Warroad, Minnesota, to play the local high school team. The company painted three of its hangars yellow with green clover leaves due to restrictions on billboard signs near the airport. The business filed for bankruptcy on April 29, 2007. An auction was held on Saturday, October 27, 2007, to sell off the remaining assets. Wentworth Aircraft acquired the former Crystal Shamrock buildings. On May 23, 1972, winds measuring 73 miles per hour damaged several hangars. A Cessna 172 was destroyed when the hangar roof collapsed on it. By 1975 Thunderbird Aviation had started operations at the Crystal Airport. Helicopter Flight, Inc. was founded in 1989. The company acquired FAA certification for Part 135 Charter operations and was an FAA-approved Part 141 Flight School. The company was a dealership for Robinson Helicopter Company. The company was located on the west side of the airport in the former Pro Air maintenance hangar. By 2004 the company was no longer in business. Operations at the Crystal Airport in 1992 numbered 179,456. About 325 aircraft were based at Crystal in 1992. In 1999 operations numbered 178,342. In 2003, EAA Chapter 1330 was formed and held its meetings at the airport on the second Wednesday of the month. This chapter no longer exists. On Sunday April 27, 2008, a fire destroyed a 13 unit hangar when a spark from a truck that backfired ignited the internal wood hangar structure. Two aircraft were completely destroyed and two others were damaged. Several aircraft normally stored in this hangar were not in it at the time of the fire. This hangar was not rebuilt. On June 27, 2013, high winds with peak gusts of 69 miles per hour partially destroyed one of the iconic Crystal Shamrock hangars on the west side of the airport. This hangar was eventually demolished. In the US Federal Government fiscal year 2013, an FAA Airport Improvement Program grant of $299,942 was award to install airfield guidance signs and to rehabilitate a taxiway. In 2014 an FAA AIP grant of $477,712 was awarded for taxiway rehabilitation. On July 29, 2019, an FAA AIP grant of $308,853 was announced to reconstruct taxiways B,