Lets see, just returned from a flight abroad two weeks ago, heres what I had on me and my carry on
Rayus C01 1AAA 1x219
L3 L10 1AA 1x219
SL Stylus Pro 2AAA 1xXPE
SolarF L2P 2xCR123A 3x219 [EDCPlus]
SolarF L2P 1x18650 1xXPL [Sportac]
SureF A2-RD 2xCR123A
SureF L4(Mod) 2xCR123A 1xMCE
SureF M3 3xCR123A 1xP7 [Seraph]
Fenix CL05 1xAAA
Fenix E05 1xAAA 1xXPE
2x Eagletac 18650s
8x Streamlight CR123As
4x Energizer Lithium AAAs
Flew from Orlando, FL. to JFK, NY. to Taoyuen, Taiwan. Back to JFK, NY. Next day flew out of LGA, NY. back to Orlando, FL. No problems to report. They were more preoccupied by my camera gear than the lights.