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VFR Communications Procedures at
Uncontrolled Aerodromes With MF and
ATF Areas
Uncontrolled Aerodromes
Definitions
VFR Circuit Procedures
Communications (MF and ATF)
NORDO / RONLY
Uncontrolled Aerodromes and
Airports
An aerodrome or airport without an air
traffic control unit in operation
Communications
Mandatory Frequency, Aerodrome
Traffic Frequency, Authorized Approach
Unicom
“What are they !!”
and
Why Do I Care??
UNCONTROLLED AERODROME
RECOMMENDED CIRCUIT PROCEDURES
VFR without MF
•Make descent on upwind side
•Cross runway at mid-way, at
circuit altitude
Departures - proceed straight ahead until clear of circuit
before turning right
UNCONTROLLED AERODROME
RECOMMENDED CIRCUIT PROCEDURES
VFR with MF or AAU All of the non-MF procedures plus
Departures - proceed straight ahead until clear of circuit
before turning right
UNCONTROLLED AERODROME
RECOMMENDED CIRCUIT PROCEDURES
IS JOINING DOWNIND ALLOWED??
Alternatively, once the pilot has ascertained
without any doubt that there will be no conflict
with other traffic entering the circuit or traffic
established within the circuit, the pilot may also
join the circuit on the downwind leg.
Ref. : A.I.P. RAC 4.5.2 (a) (ii)
Communications Procedures -Uncontrolled
Aerodrome With MF or ATF Area
CARS 602.97 to 602.103 REFERS 
Applies to;
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
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any aircraft on the manoeuvring area
VFR aircraft within an MF area
MF normally associated with AAU, FSS, CARS
OR RFSS
Applicable to aerodromes/airports as listed in the
CFS
As the name suggests, MF use is mandatory.
ATF Comm procedures should be used.
Communications Procedures Uncontrolled Aerodrome Without MF
Area
Not covered by any legislation
Recommended - Follow MF procedures
Normally,
•If UNICOM station, use published frequency
•If no UNICOM 123.2
Communications Equipment
Required To Operate in a MF Area
A two way radio capable of
communications with a ground station
and with other aircraft on the MF
Unless ...
Prior notification is given to the affected
Flight Service Station
• Make prior arrangements
REPORTS MADE ON M.F.
Address transmissions to the ground station
(FSS, CARS, AAU ETC.)
 Broadcast
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If the station not in operation
If station fails to acknowledge
If Broadcasting and Station Acknowledges

Report to Station
ENTERING MANOEUVRING
AREA
Report intentions prior to entering
(good time to pick up advisory)
Maintain a “listening watch” on MF
REPORTS ON DEPARTURE
Report departure intentions prior to moving
onto take-off runway
Ascertain by radio and visual observations
that no conflict is likely during take-off
Report departure from the aerodrome traffic
circuit and monitor the designated frequency
until well clear of the area (5-10 NM)
REPORTS ON ARRIVAL
Report position, altitude, arrival procedure
intentions and estimated time of landing at least 5
minutes (where possible) prior to entering the
area;
Maintain listening watch on the designated
frequency;
Report joining the circuit pattern giving position in
the pattern;
Report on downwind leg, if applicable;
Report established on final approach; and
Report clear of the active runway after landing.
CONTINUOUS CIRCUITS
Report
Joining the downwind leg;
 Established on final approach, stating
intentions; and
 Clear of the active runway after the final
landing.

ENROUTE REPORTS
Prior to entering MF area,** report (Avoid if possible)
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position,
altitude and
intentions
Report clear of MF area
Maintain listening watch on MF
NORDO AND RONLY
Unplanned Loss of Communications
Must complete 2 sides of circuit before
turning final
Maintain a keen watch for traffic
REMEMBER - NORDO and RONLY aircraft may operate
into or out of MF area with prior notification of FSS, CARS
or RCO, providing it is in operation.
Publications
Recommended procedures in the
interest of aviation safety can be found
in 
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Canada Flight Supplement (CFS)
Aeronautical Information Publication (AIP)
Posters - TP11541 and TP11962
VFR Communications Procedures at
Uncontrolled Aerodromes With MF and
ATF Areas