I've never flown with my upright, but I dread the experience of doing so. Not only will it be one of the scariest flights of my life, not knowing what happens to my instrument until I get there, it will be one of the most expensive. A flight for an upright bass can easily run $3k-$5k. I paid $3,000 for the bass itself, but I've been offered bass-for-bass trades by people who had $10k basses. It's a beautiful instrument. I must've gotten lucky on the wood or something.
On the bright side, the case is big enough that a truck would just push it or knock it out of the way before it ran over it. That's a bright side, right?
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Music Gear Review - Keyboard/MIDI and Songwriting Editor/Mod
"I don't like it, and I'm sorry I ever had anything to do with it." - Erwin Schrodinger, on Quantum Physics
Keys: Nord Stage 88, Nord Lead 2, Yamaha W7
Upton Bass Custom Upright, BSX Allegro EUB, '80s Peavey T-40, MIM Active Jazz Bass, Godin BG-5, Fender Bassman 100, `68 Fender Bassman 50 head, Gallien-Krueger Fusion 550, SWR (pre-Fender) Goliath III 4x10, Markbass 2x10 Traveler