Flight Training - July 2019 - 45

ADVANCED PILOT IFR TIP

BY DAN NAMOWITZ

LOW
AND FAST

DECODING MILITARY TRAINING ROUTES

COURTESY DEFENSE VISUAL INFORMATION DISTRIBUTION CENTER

I WAS HIKING THROUGH AN APPLE ORCHARD in the foothills

of the White Mountains when two Fairchild Republic A-10
"Warthogs" thundered fast and low overhead. My companion
was startled at the commotion on what had been a day of peace
and serenity. Not me; as a chart check later confirmed, multiple
military training routes pass above the spot.
Military training routes are established for conducting
low-altitude, high-speed training, and are generally established
below 10,000 feet msl for operations at speeds in excess of 250
knots. Pilots can obtain current information or route usage on
an MTR in their vicinity by contacting flight service. So, what
can you tell about the nature of MTRs from their designations
(in this case, VR840, 841, and 842)?
VR signifies a visual route. IR is for instruments. Designations
reveal altitudes of use: A three-digit route number means at least
one route segment has one or more segments above 1,500 feet agl.
A four-digit MTR has no segments above 1,500 feet agl-including instrument routes.
Visual MTRs have weather requirements: According to the
Aeronautical Information Manual, operations "are conducted in
accordance with VFR except flight visibility must be 5 miles or
more; and flights must not be conducted below a ceiling of less
than 3,000 feet agl." IR operations "are conducted in accordance with IFR regardless of weather conditions."
If those details didn't come readily to mind, an AOPA
survey of pilots' awareness of special-use airspace revealed
low knowledge of MTRs. Most pilots don't check MTR activity
status despite MTR lengths and high-speed, low-altitude
traffic. FT
dan.namowitz@aopa.org

MYSTERY AIRSPACE

INTRODUCING ALTRVS
Airspace utilization under what?

An AOPA survey suggests that more than 70 percent of instrument pilots
have never heard of ALTRVs, or are "not at all familiar" with them. Congratulations if by reading that sentence you moved from the first group to the
second.
ALTRV stands for altitude reservation, or "airspace utilization under
prescribed conditions normally employed for the mass movement of
aircraft or other special user requirements which cannot otherwise be
accomplished." Several recent ALTRVs were for military missile launches.
Pilots who check notices to airmen carefully will be seeing more
ALTRVs, says Rune Duke, AOPA's expert on all things airspace, because
the FAA's need to segregate airspace for commercial space launches and
other special requirements is growing.
Is that why you got that long, unexplained vector on your last
instrument flight? -DN
AOPA.ORG/FT  45



http://www.AOPA.ORG/FT

Flight Training - July 2019

Table of Contents for the Digital Edition of Flight Training - July 2019

Contents
Flight Training - July 2019 - Intro
Flight Training - July 2019 - Cover1
Flight Training - July 2019 - Cover2
Flight Training - July 2019 - Contents
Flight Training - July 2019 - 2
Flight Training - July 2019 - 3
Flight Training - July 2019 - 4
Flight Training - July 2019 - 5
Flight Training - July 2019 - 6
Flight Training - July 2019 - 7
Flight Training - July 2019 - 8
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Flight Training - July 2019 - 11
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Flight Training - July 2019 - Cover3
Flight Training - July 2019 - Cover4
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