Originally Posted by oldmako

I received the letter.

"You are receiving this notice because you may be eligible to make a post-tax contribution to the United Airlines Pilot Retirement Account Plan (“PRAP”) for the 2017 plan year, which ends December 31, 2017.

Post-tax contributions can be made after you have made the maximum pre-tax and/or Roth 401(k) deferral contribution for 2017 ($18,000 if you are under age 50, plus an additional $6,000 if you are age 50 or older in 2017). Contributions made on your behalf will also be considered in the calculation"