[Scan-DC] Mystery Helicopter (N499SL)

[Eric C. Carlson]

Given that the path exactly follows electricity transmission lines, I
assume it's being used for inspection and maintenance of the lines.
Helicopters are regularly used for this.

-Eric

On Thu, Apr 9, 2020 at 1:54 AM Alan Henney <alan at henney.com> wrote:

> My thanks to those of you who replied to my previous post trying to
> identify the tail number of another odd-ball aircraft.
>
> This helicopter flies regularly from Westminster but seems to "loiter" and
> return later to Westminster.
>
> Any thoughts?
>
> https://flightaware.com/live/flight/N499SL/history/20200408/1221Z/KDMW/KDMW
>
> Thanks again,
> Alan
> ______________________________________________________________
> Scan-DC mailing list
> Home: http://mailman.qth.net/mailman/listinfo/scan-dc
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Scan-DC at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>