ATP wants a single engine add on

Sylvain wrote:
Emily wrote:

I'm guessing that when he got his ATP, he should have surrendered his
commercial but didn't for some reason.

one pretty good reason not to surrender a certificate when you upgrade
it, is if said certificate has a rating which you do not want to give
up and which is not covered by the new certificate.

Yes, but he had a commercial multi limited to centerline thrust and got
an unrestricted ATP multi. That doesn't make any sense. Why keep a
centerline thrust restriction?