Are emergency flashlights effective in the cabin if it is filled with smoke or fog?
No
How do you Preflight flashlights?
Make sure it is secured in brackets, seal is intact, red indicator light is flashing every 8-10 seconds.
What do you do if the battery is running low on the flashlight?
Report it to the lead and have him/her it is entered in the CDLB ( Cabin Discrepancy logbook)
Where are the flashlights located on the Air craft?
FWD F/A jumpseat AC L (2) / AFT F/A Jumpseat A/C L ( 2)/ AFT F/A jumpseat A/C R ( 2)/