[Scan-DC] Mystery Helicopter (N499SL)

[andrew]

It is used for power line work.

Take a look at:
https://app.ntsb.gov/pdfgenerator/ReportGeneratorFile.ashx?EventID=20180316X50022&AKey=1&RType=Final&IType=LA

https://dms.ntsb.gov/pubdms/search/hitlist.cfm?docketID=61313&CFID=2271121&CFTOKEN=61d135113e889172-B3B148BF-A98A-E7AC-44D54BB121396A42



On Thu, Apr 9, 2020 at 8:43 AM Eric C. Carlson <ecarlson at gmail.com> wrote:
>
> 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
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