Hyperfly Nyckelring Remove Before Fight
Hyperfly Key Chain Remove Before Fight. Red tag with white Hyperfly logo on one side and white Remove Before Fight on the other side.
‘Remove Before Fight’ refers to ‘Remove Before Flight’. It is a red tag that is usually found on aircraft and spacecraft components indicating that it is only used when the aircraft is on the ground.
This picture shows a Remove Before Flight tag in a US fighter aircraft.