[Scan-DC] Baltimore Police surveillance planes

[Ben G]

NBC

<goog_2142556817>
*Police are considering surveillance planes to help solve violent crimes.
Privacy advocates have concerns. (Part 1)*
https://www.nbcnews.com/nightly-news/video/police-are-considering-surveillance-planes-to-help-solve-violent-crimes-privacy-advocates-have-concerns-part-1-78446149685

*Police are considering surveillance planes to deter crime. Privacy
advocates have concerns. (Part 2)*
https://www.nbcnews.com/nightly-news/video/police-are-considering-surveillance-planes-to-deter-crime-privacy-advocates-have-concerns-part-2-78446149747



On Sat, Dec 21, 2019 at 2:24 PM Eric C. Carlson <ecarlson at gmail.com> wrote:

> This is a little bit of an odd case in that the planes are privately
> operated. However, the FAA is allowing "sensitive" law enforcement aircraft
> operations to turn off their ADS-B position reporting. I don't know if
> these flights would qualify or care. I've seen Army National Guard (in
> support of anti-narcotics work) and local law enforcement doing this
> already in Houston.
>
> To the extent the aircraft are in controlled airspace then they will have
> to talk to air traffic control. But if they are outside of the BWI Class B
> airspace then you likely won't hear anything from them. Eyeballing the TAC
> chart though, it looks like the city of Baltimore at 8,500 feet is all in
> the Class B. Once they're "on station" though they won't generally be
> talking much; you'll be more likely to hear the controller advising other
> aircraft of "traffic at your X o'clock maneuvering at 8,500 feet" if
> they're in the area. I'm assuming these aircraft fly a fixed pattern but if
> it's more ad hoc then there might be more to listen to.
>
> -Eric
>
> On Sat, Dec 21, 2019 at 8:20 AM Ronald Perron via Scan-DC <
> scan-dc at mailman.qth.net> wrote:
>
> > Alan
> > Thanks for the article.  Saw a piece about this on the local TV news.
> > I would think because of the crowded air traffic around here that these
> > aircraft would show up on ADS-B.
> > Since they would operate around 8,500 ft I would suspect that they could
> > be heard on the local helo freq 123.025 for coordination & deconfiction
> > purposes.
> > They could also use a new, discrete VHF/UHF freq
> > Would also suspect that due to the nature and length of these flights
> that
> > the aircraft would have to keep in continuous contact with the local ATC
> > freqs, i.e. 119.4, 119.7 etc.
> >
> > Ron (mdmonitor1 at verizon.net)Utility Monitoring from Maryland, USA
> > (390747N 763711W  Grid FM19qd)
> >
> >
> > -----Original Message-----
> > From: Alan Henney <alan at henney.com>
> > To: Scan DC <Scan-DC at mailman.qth.net>
> > Sent: Sat, Dec 21, 2019 3:23 am
> > Subject: [Scan-DC] Baltimore Police surveillance planes
> >
> > Will we see these planes on our ADSB trackers?  What freqs might the
> planes
> > use for voice and downlinks?
> >
> > Baltimore Police back pilot program for surveillance planes, reviving
> > controversial program
> >
> >
> >
> https://www.baltimoresun.com/news/crime/bs-md-ci-cr-baltimore-police-support-surveillance-plane-20191220-zfhd5ndtlbdurlj5xfr6xhoe2i-story.html
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