The airline company that is operating the largest aircraft between Pittsburgh and Seattle is Atitalia. The aircraft is a CRJ and it has a capacity of around 50 seats while the smallest aircraft between these two destinations is operated by Air Canada. This aircraft is a DH8 and the total capacity of this aircraft is 37 seats.

http://www.farecompare.com/flights/Pittsburgh-PIT/Seattle-SEA/market.html

The smallest flight that operates between Pittsburgh and Seattle is through KLM Airlines and the flying distance that is covered by this airline is 2,119 miles.

In most cases, yes, you will need to become a member of the group before you can attend the ceremonies.

1. You can find out more information about joining the group by contacting them directly.

2. They may have specific initiation processes and membership fees that must be adhered to and paid for before you will be accepted into the group.

3. If this is something you are considering make sure you have properly researched the group you intend on joining.

4. This will avoid you falling into the wrong type of group by accident and possibly endangering your safety.

5. Always try to go with a friend or at least ensure someone knows where you are before you agree to attend any form of ritual or ceremony.

http://tech.mit.edu/V118/N34/lee.34c.html