Section 4. Services
6-4-1. ADVANCE
APPROACH INFORMATION
Assign responsibility
for issuing advance approach information to a specific position when more
than one position could issue the data. Responsibility shall be delegated in
a directive in accordance with FAAO 1320.1, FAA Directives System. Display
the information so that it is accessible to the controllers having need for
it.
6-4-2. MINIMUM IFR
ALTITUDES (MIA)
Determine minimum IFR
altitude information for each control sector and display them at the sector.
This shall include off-airway minimum IFR altitude information to assist
controllers in applying 14 CFR Section 91.177 for off-airway vectors and
direct route operations. Facility air traffic managers shall determine the
appropriate chart/map method for displaying this information at the sector.
Forward charts and chart data records to the FIFO for certification and
annual review.
NOTE-
1. This may be accomplished by appending the data on sector
charts or MVA charts. Special translucent sectional charts are also
available. Special ordering information is contained in FAAO 1720.23,
Distribution of Aeronautical Charts and Related Flight Information
Publications.
2. For
guidance in the preparation and review of Mini-mum IFR Altitude charts see
FAAO 7210.37, En Route Minimum IFR Altitude (MIA) Sector Charts.
REFERENCE-
FAAO JO 7210.3, Para 3-8-2, Radar Mapping
Standards.
6-4-3. SPECIAL USE
FREQUENCIES
Special use
frequencies (296.7, 321.3, 364.8 and 369.9MHz) are controller-to-pilot
communication channels established to minimize frequency changes for certain
military aircraft operating in the high altitude sectors. The specific
frequencies shall not be publicized. However, information concerning their
authorized use may be published in official military documents or in agency
directives.
6-4-4. PRACTICE
INSTRUMENT APPROACHES
To the extent
practicable, each ARTCC should provide IFR separation to aircraft not on IFR
flight plans conducting practice instrument approaches to airports where
that ARTCC provides approach control service.
a. At locations
where IFR separation is applied to VFR aircraft conducting practice
instrument approaches and that airport has a nonapproach control tower or an
AFSS/FSS, provisions for handling such aircraft, including aircraft being
provided DF services, shall be included in a letter of agreement.
b. ARTCCs shall
issue a letter to airmen advising users of airports where IFR separation is
provided for VFR aircraft conducting practice instrument approaches. The
letter should include appropriate frequencies for the airport concerned.
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