Pratt & Whitney Canada PW100 three-shaft turboprop family within the PW100/PW150 regional-aircraft portfolio. Pratt & Whitney Canada reports 30 certified PW100 models, 9,000 engines produced, approximately 200 million flight hours, and nearly 3,000 PW100-powered aircraft in service across 128 countries; the family spans regional, utility, cargo, and special-mission applications including ATR 42/72, Dash 8/Q400, C295, CL-215/415, DHC-515, and Fokker 60. Exact PW100-series models and aircraft installations remain separate identities.