AVSIG: Strobing Runway Lights wwswsigarch.jpg (7236 bytes)

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AVSIG Discussion Sections >> Training & Proficiency

Scott Dyer [HPN/NY]
Top Gun


Reged: 01/11/03
Posts: 20065
Re: Strobing Runway Lights
      12/20/17 02:48 AM

Quote:

Quote:

I'll blame the turkeys who designed and installed lights that are not fit for the intended use,



Please define "intended use". More to the point, can you find any specification that lists a requirement to have IR emitters? Because that's where an engineer is going to start.


Quote:

A reasonable engineer would have foreseen the shortcomings,



And how would an "reasonable engineer" know that? Again, where is the specs for nav lights that indicate that?


Quote:

don't blame the nvg makers who designed the equipment when there were no LEDs.



Which raises a question - did the nvg makers ever claim you could see nav lights? Or was that discovery made somewhere else (sales or user) and somehow turned into a practice that was unsupported by official documentation?


Quote:

"Oh well" won't play well to the jury....



Hmmmmm. A nvg that's completely blind to something that someone not wearing them could see. Seems like the "reasonable" test belongs somewhere else. Sure, you could make all the nav lights have IR, but what else (non-nav lighted objects) could be out there that wouldn't have a IR emitter yet are perfectly visible to the naked eye? And whose bright idea was it to fly with this blindfold that ignores visible light?




I think you've got your ivory tower engineer glasses on, Russell.

Engineers aren't limited to just blindly following specs, or at least companies that design equipment for an intended purpose shouldn't exclusively rely on such cramped engineering. Using a bit of brain power, and consultation with users (i.e., helicopter pilots who work down low a considerable amount of their flight hours, often in the dark and often with NVGs), should have rendered a better result. Fundamentally, that's an engineering problem as well as a management of engineers problem.

The intended use is warning pilots of low altitude aircraft of obstructions. If a significant percentage of the user community finds them invisible during nighttime hours, they don't pass muster and are inherently defective.

Yes, shame on FAA for not having a better informed approval process in place. But, after all, we don't need big government and industry can do just fine on its own....and when it doesn't it can pay the piper with liability awards.

--------------------
www.scottdyercfi.com

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Entire topic
Subject Posted by Posted on
* Strobing Runway Lights Scott Dyer [HPN/NY] 12/15/17 09:25 PM
. * * Re: Strobing Runway Lights Terry Carraway   12/18/17 02:27 PM
. * * Re: Strobing Runway Lights Russell Holton   12/18/17 05:54 PM
. * * Re: Strobing Runway Lights Ralph Jones   12/15/17 11:25 PM
. * * Re: Strobing Runway Lights Jeff Hartmann CIC   12/15/17 11:23 PM
. * * Re: Strobing Runway Lights Scott Dunham (RDU)   12/16/17 01:27 AM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/16/17 03:15 AM
. * * Re: Strobing Runway Lights Russell Holton   12/16/17 04:12 AM
. * * Strobing Runway Lights Bob Dubner   12/16/17 05:16 PM
. * * Re: Strobing Runway Lights Russell Holton   12/18/17 11:08 PM
. * * Re: Strobing Runway Lights Gil Buettner [KAUW]   12/18/17 10:39 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/19/17 06:54 PM
. * * Re: Strobing Runway Lights Russell Holton   12/19/17 07:31 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/20/17 01:04 AM
. * * Re: Strobing Runway Lights Russell Holton   12/20/17 01:34 AM
. * * Strobing Runway Lights Bob Dubner   12/21/17 06:36 AM
. * * Re: Strobing Runway Lights Terry Carraway   12/24/17 03:27 AM
. * * Re: Strobing Runway Lights Russell Holton   12/24/17 11:54 PM
. * * Re: Strobing Runway Lights John O'Shaughnessy [FCM]   12/25/17 03:02 PM
. * * Re: Strobing Runway Lights Russell Holton   12/25/17 07:06 PM
. * * Re: Strobing Runway Lights Tom Charlton   12/25/17 05:35 PM
. * * Re: Strobing Runway Lights Terry Carraway   12/25/17 12:20 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/20/17 02:48 AM
. * * Re: Strobing Runway Lights Russell Holton   12/20/17 09:28 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/20/17 10:29 PM
. * * Re: Strobing Runway Lights Nancy Zeitlin [HPN]   12/20/17 04:47 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/20/17 09:07 PM
. * * Strobing Runway Lights Ward Miller POU-NY   12/20/17 10:40 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/21/17 02:17 AM
. * * Re: Strobing Runway Lights John O'Shaughnessy [FCM]   12/20/17 09:24 PM
. * * Re: Strobing Runway Lights Russell Holton   12/20/17 09:37 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/20/17 10:33 PM
. * * Re: Strobing Runway Lights Russell Holton   12/20/17 11:28 PM
. * * Re: Strobing Runway Lights Randy Sohn   12/16/17 01:57 AM
. * * Re: Strobing Runway Lights Russell Holton   12/15/17 11:20 PM
. * * Strobing Runway Lights Ray Tackett   12/15/17 10:19 PM
. * * Re: Strobing Runway Lights Scott Dyer [HPN/NY]   12/15/17 11:32 PM
. * * Strobing Runway Lights Ray Tackett   12/16/17 01:13 AM

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