The PSA Airlines Bombardier CRJ700 regional jet collided in midair with the Sikorsky H-60 Army Blackhawk helicopter at 8:53 p.m. while on approach to Runway 33 at Reagan Washington, the FAA said ...

The H-23 is similar to the Bell Model 47 in size ... Maneuverability of the UH-60 Blackhawk helicopter The Bell UH-1 blazed an important trail as the UH-60's precursor helicopter.

with its basic roots in the Army H-60 Blackhawk. The service began to operate the MH-60J in 1990 as a replacement to the now-retired HH-3F Pelican, and it is typically operated by a crew of four.