Originally Posted by CBreezy

Most of the time? I'd say a traditional regional airline pilot operates at a Class D airport less than 40% of the time. Typically you'll be operating at B/C airports at least 50% of the time.

The traffic pattern is at 1500 unless otherwise stated in the AFD. There are class D airports that sit under class C shelves and only have 1200 foot ceilings. TPA at those places are 1000 for all aircraft. This isn't a one size fits all scenario.