I noticed that while KTVU 2 has their own helicopter over the scene, KPIX 5, KGO 7, and KNTV 11 are all sharing the same helicopter feed. Does anyone know if this is common for competing stations to use the same feed, or is it just until the other stations can fuel up their own helicopters and launch? It seems like in Los Angeles at least, each station has their own helicopter to cover news.