Raindance
Go to Easter Bay Airport at San Fierro. Go to its parking garage. Find a sign that reads "Keep Clear" and follow it to reach a pilot entrance. The Raindance resembles a Coast Guard helicopter. Additionally, go to the hospital in the Santa Rosa area at San Fierro. Fly up to the roof and there will be a Raindance. There is also a Raindance on the Santa Monica beach where the Triathlon is located. It is on the west side of the two piers.