rely upon the aircraft instrument indications.
during periods of restricted visibility
Lights must be on during periods of restricted visibility
Lights must be on during periods of restricted visibility
Something blocks your line of sight. On a road it could be hills, curves, etc.
rainbows ....... i think?
lights must be on during periods of restricted visibility
Navigation lights must be on during periods of restricted visibility.
one prolonged blast
The should comply with IRPCS and be on between sunset and sunrise and in restricted visibility
5 seconds of rapid bell ringing
one prolonged blast