Crossword clues for SST and 747:SST1-down aspiration that could fly NYC-Shanghai in thirty-nine min.SSTThe Minutemen's record labelSSTRetired transatlantic transportSSTAtl. crosserSSTJFK sightSSTFast flierSSTIt will fly againSSTIt'll get you overseas PDQSSTReflying flierSSTThe Concorde, e.g.SSTDroop-nosed flierSSTHigh-speed plane: Abbr.SSTConcordeSSTDelta-winged craftSSTJFK arrivalSSTPricey planeSSTRetired flierSSTGrounded flierSSTSupersonic carrierSSTAtl. crosser, onceSSTIt got you overseas PDQSSTTu-144, e.g.SSTJet with a droop nose, brieflySSTJet grounded in 2003SSTOld plane with a droopy noseSSTOnetime lander at JFKSSTRecord label that shares its name with a fast airplaneSSTPlane NASA is developing a "low-boom" version ofSSTFoundational punk label that shares a name with a defunct airplaneSSTMach-2 flier (abbr.)SSTPlane that used to be boomingSSTAerion business jet, for oneSSTKind of plane Phil Collins took so he could perform at both the U.S. and U.K. Live Aid concerts in 1985SSTThing to which one might say "OK, boomer"SSTConcorde, e.g.SSTBeleaguered planeSSTBarrier breakerSSTIt flew at Mach 2SST12-Down, e.g.SSTAircraft with an ogival delta wing: Abbr.SSTBoeing craftSSTCraft that traveled roughly 1350 mphSSTFormer fleet memberSSTGrounded jetSSTOld Atl. crosserSSTRecord label started by Black FlagSSTRecord label whose first release was Black Flag's "Nervous Breakdown"SSTSeminal punk label founded by Black FlagSSTSeminal punk rock label operated by Black FlagSSTTupolev Tu-144, for short