KTTV Fox 11 Los Angeles also has its own chopper, SkyFOX.
Used daily from 4 am to 1 pm. Sometimes later. They also use chopper video (only) from KCBS/KCAL. KABC does not share their chopper video with any other Los Angeles tv station. KCBS/KCAL's chopper is called Sky2 (when on KCBS) and Sky9 (when on KCAL). KMEX 34 (Univision) also has their own chopper.
The Sinclair stations in San Antonio (WOAI/KABB) share a chopper. It was inherited when Sinclair acquired WOAI, where it’s known as World Car Sky 4. The tail is N61CL.
Also ... the helicopter shared by the Houston stations (other than KTRK) still has KPRC’s branding.