happy landings

noun[usually plural]2

1. •
   Successful arrivals on land (by air or water), without any untoward incidents.

   • We want our airplane pilots to anticipate failed engines as well as happy landings. — 2009
2. •
   Successful outcome or outcomes.

   • But one set of Washington policies is all happy landings: the Government's campaign to stop skyjackers is working. — 1973