There ARE (were?) some companies that when you upgraded, you started at 1st year Capt. pay... i.e., you might have been an FO for 4 years, but when you upgrade, you don't get 4-5 year Capt. rate, you get year 1.
I am NOT sure, but I am thinking Virgin America, jetBlue, or Allegiant?

Is that what you were asking?