Crossword clues for Had 51 Down. 3 lettersAnswerClueOUTNot safe - and a word that can precede each part of 17-, 25-, 39-, 51-, and 64-AcrossETSArea 51 creatures, it's saidLITFull of 51-DownUFOArea 51 craftNEWWith 51-Across, singer's latestNCRBig 51-Across manufacturerAGEWith 51-Down, mark caused by solar lentigoMVPYogi Berra, in '51, '54, and '55IREAnger that ends the films at 20-, 35-, and 51-AcrossNEWNovel (and word found in 17-, 26-, 41-, 51-, and 66-Across)MAIWith 51-Across, rhyming potableINNSee 51-DownIKESee 51-DownUFOArea 51 sighting, brieflyVON51-Across in Peyton's final Super Bowl winAFBArea 51 is administered by one (or so we think...): Abbr.MOMSee 51-DownGYMSee 51-AcrossUFOSupposed Area 51 sightingENOSee 51-DownANTPest found at the end of 20-, 27-, 43-, and 51-AcrossSOWQueen of 51-AcrossUFOArea 51 sightingPOEWriter contemporary to 51-DownJETMag since '51KENWith 51-Down, "One Flew Over the Cuckoo's Nest" authorMOEHe regularly serves 51-DownTET51-Down holidaySELCondiment in 51-AcrossEAR51-Across targetSTYSee 51-DownUFOArea 51 craft, supposedlyROB51-Down using forceAFBArea 51, e.g.: Abbr.TOPSee 51-DownVIZAbbr. similar to 51 DownFINSee 51-DownONESee 51-DownLADFriend for 51 DownSIMHe played Scrooge in '51LOLSnort in 51-AcrossUFOSubj. of some theories about Area 51SOS1975 hit by 51-AcrossDADOther half of the pair mentioned in 51-AcrossETSArea 51 creaturesEGOMe, found inside the answers to 17-, 33-, and 51-AcrossUFOArea 51 vehicleTAUGreek letter that appears thirteen places after 51-AcrossNEVArea 51 loc.ISHGive or take suffix ... that can be added to the end of 18-, 23-, 51- and 60-Across to form a sort of set