That is exactly correct. His commercial privileges are for the airplane ratings
but his glider ratings are restricted to private privileges. There are three
subratings on the glider certificate...aerotow, autotow, and winchtow. Each one
of them is a separate rating, so if some day I wanted to get another rating (in
lieu of a biennial), I could add private autotow, private winchtow, commercial
autotow, and commercial winchtow to my commercial glider aerotow. 8 years
without a bfr.

See how we play this game?

Jim



"Ron Natalie"
shared these priceless pearls of wisdom:

-
-"David Megginson" wrote in message
news:2QJRc.419
-
-
- So he has a CPA, with SEL, MEL, and SES, as well as glider tow (!!!),
-
-No rating is necessary to tow a gldier other than what is necessary to fly the
-tow plane. I suspect the last item is private pilot privs in gliders,
restricted
-to aerotow only (which is what most people have in the US unless they go
-out of their way to get a winch or ground launch).

Jim Weir (A&P/IA, CFI, & other good alphabet soup)
VP Eng RST Pres. Cyberchapter EAA Tech. Counselor
http://www.rst-engr.com