[Scan-DC] Arlington County PD Unit Numbering

[Editor, ARLnow.com]

Arlington DUI patrol units have the call sign "ASAP" - as in Alcohol Safety
Patrol

-Scott
On Jan 16, 2012 9:16 AM, "Andrew Clegg" <andrew_w_clegg at hotmail.com> wrote:

> Hi Dave --
>
> I hesitate to reply, because I certainly can't explain the Arlington
> numbering system to the standard of detail that others in this group have
> described numbering for other localities, but since nobody else has
> replied,
> here's my very simplistic understanding:
>
> Police unit numbers are usually something like Charlie 23, or Baker 31 (or
> even Adam 12 -- I like that one!)
>
> The letter of the unit is the schedule (A = daywatch, B=evenings,
> C=midnights)
>
> The first digit of the unit number is the district (1, 2, or 3) that unit
> is
> based in. A district map can be found here:
>
> http://www.arlingtonva.us/Departments/Police/districts/PoliceDistrictsDistrict1.aspx
> .
>
> The full number refers to the beat within the district.
>
> The smaller the number, the more important the person is (Baker 1 is the
> evening commander, for example).
>
> There are also special identifiers, like "Motor 1". Those are the
> motorcycle
> officers.
>
> Then there's "P40" like numbers. Those are the meter maids (sorry, parking
> enforcement). They usually aren't on the dispatch channel, unless there's
> an
> emergency.
>
> There are also designators for DUI enforcement. I can't recall right off
> the
> top of my head what those are -- sorry. I'll remember as soon as I send
> this
> email.
>
> I hear unit numbers that I can't explain -- like I just heard Unit 451 on a
> traffic stop. I don't know how those numbers are defined. Maybe those are
> dedicated to traffic enforcement?
>
> That's about the extent of my understanding. I am certain that this is a
> gross oversimplification and someone on this list can provide an entire
> textbook on the topic, but I thought I'd chime in a little instead of
> leaving your question unanswered.
>
> Hope this helps.
>
> Andy
>
> --------------------------------------------------
> From: "David Staples" <stapledavid at gmail.com>
> Sent: Saturday, January 14, 2012 9:09 PM
> To: "Scan DC" <scan-dc at mailman.qth.net>
> Subject: [Scan-DC] Arlington County PD Unit Numbering
>
> > Can someone briefly explain Arlington County PD's unit numbering scheme?
> > I
> > have been monitoring them somewhat regularly, and still can't make sense
> > of
> > it.
> >
> > - Dave
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