Originally Posted by
Bosi72
I don't think Cessna's engineers/designers from 60 years ago thought these aircrafts will be operational in 3rd decade of 21st century.
Everything has a "best before" date, including aircrafts, therefore they have to be treated with respect.
SIDS from CESSNA are not 60 years old.
"Best Before " is listed in the SID's program.