Many are indicated to be Petroleum Helicopters S-76s, so that's a fair guess. Alireza Alivandivafa wrote: >Given where Houma is, I wouldn't doubt that those are choppers coming off of >rigs. > >In a message dated 2/17/2006 3:25:01 PM Central Standard Time, >travelpages@xxxxxxxxx writes: >http://flightaware.com/live/airport/KHUM > > What am I seeing here -- airports with listings like 2911/8808, 2816/8848 >-- are those possibly... oil rigs?? >