HH-60 Jayhawk US Coast GuardSikorsky HH 60 Jayhawk model. The United States Coast Guard built a fleet of 42 medium range Sikorsky HH 60J Jayhawk helicopters to its fleet of aircraft. Jayhawks have replaced the Sikorsky HH 3F Pelican helicopters that the Coast Guard has used for over 20 years. The HH 60J is similar to the HH 3F in many ways, and the assigned mission are the same. However, the HH 60J has numerous upgrades including a state of the art electronics package. The HH