[8 / 2 / 22] 101KiB, 1280x669, United_Airlines_Airbus_A320_and_Boeing_737-800_on_final_approach_at_San_Francisco.jpg View SameGoogleImgOpsiqdbSauceNAO Thread Reply Original Report Media View Same Google ImgOps iqdb SauceNAO Download Anonymous Sun 15 May 2022 12:28:17 No.1800394 View ViewReplyOriginalReport Quoted By: >>1800410 >>1800413 >>1800616 What's that hump so many airliners have on the back of their fuselage nowadays? I've only recently noticed. And if it's some sorta new mandatory safety or communications equipment, why do some have it and others don't?