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Thread: Flashing Nav Lights?

  1. #1

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    Flashing Nav Lights?

    Howdy all,
    I went to Triple Tree Fly In last week and noticed and aircraft on final with what looked like Nav lights flashing back and forth. Has anyone done this and is it acceptable? It seems like an awesome way to be seen in crowded airspace...
    -Jim

  2. #2
    Low Pass's Avatar
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    At least one brand of 12 volt LED nav lamps will flash when powered on, off, then back on.
    Last edited by Low Pass; 09-13-2016 at 02:40 PM.
    Bryan

    Houston

  3. #3
    FlyingRon's Avatar
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    Not at "night" I would posit. I guess you can do whatever you want in the daytime.

  4. #4

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    Pretty sure flashing nav lights went out of style in the '50's. Some old airplanes had a nav light switch with 2 positions - steady and flash.

    Lots of planes today have dedicated recognition lights that flash on/off or in wig-wag style (like a RR crossing) or back and forth as you said.

  5. #5
    Sam Buchanan's Avatar
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    Quote Originally Posted by wildhorsesracing View Post
    Howdy all,
    I went to Triple Tree Fly In last week and noticed and aircraft on final with what looked like Nav lights flashing back and forth. Has anyone done this and is it acceptable? It seems like an awesome way to be seen in crowded airspace...
    Most likely it was the landing lights wig-wagging. This is quite common in the experimental community. Many RVs have landing lights located in the wingtips adjacent to the nav lights. My RV-6 has been flying with flashing landing lights (police headlight flasher) since 1999.
    Last edited by Sam Buchanan; 09-13-2016 at 05:29 PM.
    Sam Buchanan
    The RV Journal RV-6 build log
    Fokker D.VII semi-replica build log

  6. #6

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    My 65' Cessna 310K has a two-position NAV LTS switch: 'Steady' and 'Flash.' Sounds like a car blinker clicking away in the 'Flash' position. Can't hear it when the engines are running, obviously. Works great and looks pretty cool, though!

  7. #7

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    Naw, it was the nav lites blinking. The nav lites were combined with the strobes on the wing tips of a low wing LSA type aircraft. It taxied by me just-a-blinking away. Very noticeable, even in the day time. Sorry I can't ID the airplane.

    Dave

  8. #8
    Low Pass's Avatar
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    There is at least one manufacturer making relatively inexpensive LED retrofit nav light lamps that will blink optionally. I have them. Never use the flashing mode NAVs, but conversely I do use my wig wag LED landing lights separately and often in my RV-8. This likely explains what you were seeing.

    http://www.aircraftspruce.com/catalo...hp?recfer=1563
    Last edited by Low Pass; 09-14-2016 at 08:57 AM.
    Bryan

    Houston

  9. #9

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    Quote Originally Posted by Low Pass View Post
    There is at least one manufacturer making relatively inexpensive LED retrofit nav light lamps that will blink optionally. I have them. Never use the flashing mode NAVs, but conversely I do use my wig wag LED landing lights separately and often in my RV-8. This likely explains what you were seeing.

    http://www.aircraftspruce.com/catalo...hp?recfer=1563
    Does a 1157 socket for the 1157 bulb fit this bulb? It looks to be the same from the pic. I am working on inexpensive strobes right now. I have a video and am working on it now. I should have it posted in a few hrs.

    Tony

  10. #10

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    Military aircraft have (had) four options for nav lights. Steady bright, flashing bright, steady dim and flashing dim. The dims were for formation flying, The flashing were for IMC. In the old days, they had real rotating beacons that rotated. You aint had vertigo until you enter a cloud at night with the rotating beacon sweeping the night clouds at a range of 30 feet. You will follow the red spot on the clouds every time.

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