Q1: Light A/C Landing Lights. On or off?

[fibod]

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Cool it A&C. The original question referred to daytime. I have experienced those problems during my several 1000 night hours.

[tomahawk1673]

Strobes or Beacon or both?

[gearupgone]

ON in the air. I have flown in very busy GA enviroments, and anything that can possibly help another aircraft see me will help.
The best are pulsating lights - they are becomming very popular here in Canada.
By the way, when I flew for an airline, standard procedure was lights ON below 10 000 feet - ALWAYS.
Having been involved in 2 near midairs over Africa - Lights for me please. As for burning out fillaments - so long as they are mounted with the filament vertical (never horrizontal), they seem to go on forever.

[compressor stall]

Rarely use them for landing as the landing gear extension speed is 120kias and not usually below that during the day until turning final.

Never use them on take-off or landing at dusk on bush strips as the wildlife just stands there mesmorised by the light. Without it they tend to move away from the unknown noise.

[martinidoc]

On when entering RW for T/O (Bird strike + Visibility although I accept there is conflicting evidence over the birdstrike issue), On approaching or working in circuit. We no longer switch on and off during circuit work in an attempt to extend bulb life. On when at low level or in poor vis.