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This is an AH-1Z Viper flying out of Tahoe-Truckee airport on 07/26/19. I can just make out the tail code as QT, which makes it part of the Marine Light Attack Helicopter Training Squadron 303 (HMLAT-303). However I cannot find any info to cross reference QT-642 to its actual BuNo. Any info would anyone could provide would be appreciated.