T prop From United States of America, joined Apr 2001, 1029 posts, RR: 1
Reply 8, posted (4 years 5 months 1 week 18 hours ago) and read 5916 times:
The white anti collision lights are strobes, they're normally used when the aircraft is in flight or on a runway. The red beacon is a recognition light, they use this when taxiing around, no need to blind everyone with the strobes. There is one toggle switch that controls these lights, it has 3 positions: Red, off and white anti collision, it is not possible to have the anti collision and the red recognition light on at the same time.
Shamrock137 From United States of America, joined Jul 2005, 168 posts, RR: 0
Reply 11, posted (4 years 5 months 6 days 9 hours ago) and read 5756 times:
Quoting 413X3 (Reply 10): Strange I could have sworn, in the US, it was a FAR that airplanes built after a certain year were required to have red anti-collision lights on at all times
I don't believe it specifies what color the lights must be. I know many new GA aircraft have ditched the red beacon in the tail altogether and just have the two white strobes on the wingtips. I'm personally not a big fan of this design as at night it can be very bright when they taxi on the ramp.
AirframeAS From United States of America, joined Feb 2004, 14150 posts, RR: 24
Reply 12, posted (4 years 5 months 6 days 2 hours ago) and read 5708 times:
Quoting hotplane (Thread starter): Why are the anti-collision lights on the top and bottom of the DHC8-Q400 fuselage/tail white and not red like all other civil airliners?
The anti-collision light on all the Q's are one red "glow" light. They do actually have the red anti-collision light on top of the fuselage.
However, the Q100-300 have the strobe lights on the wing tips traditionally. The Q400's do not and were moved elsewhere on the airplane, above the tail and the undercarriage. Why they changed things on the Q400's is beyond me.
I have never seen a Q that had the red anti-collision "glow" light on and the strobe lights on at the same time ever.
I wonder why Bombardier decided to use the "glow" method for the red anti-collision light instead of the strobe flashing method.
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