Sep
Circuit Pattern Procedure
Filed Under (Flight Operations) by steven on 06-09-2009
Tagged Under : circuit pattern, procedure, tutorial
Circuit pattern flight usually used to perform landing excercises and to get more deepen your flight orientation. If you play music, it can be called a twelve-bar blues LOL. Circuit Pattern made with Visual Flight Rules (VFR). And for the VFR, ATC does not provide vector (heading), because the flight based on visual reference (visual reference). There are two types of circuit pattern, the Left Hand and Right Hand Pattern. Left hand pattern, if after airborne we turned left to join left downwind. As for right hand pattern, after airborne turn to the right to join right downwind. Here is the caption from the legs of the circuit pattern flight:
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The caption above shows that the airplane is gonna make ‘Left traffic pattern’, means after airborne the plane is gonna turn left to join the left downwind runway 23. Here is the details:
- ‘A’ when plane’s airborne.
- ‘B’ The plane is turning to the ‘Crosswind leg’
- ‘C’ The plane is established on ‘Left downwind’ runway 23
- ‘D’ is the area where the plane is joining ‘Base leg’ runway 23
- ‘E’ The plane is ‘On Final’ runway 23
- If the airplane is coming from the south of the airfield, airplane can enter the left downwind runway 23 at 45 degree to the downwind leg (see: light blue box).
- If the airplane comes from the same heading with runway. airplane can join the ‘Upwind’ runway 23. Until at least 1 minute passing THE EDGE of runway 23 the airplane can turn to ‘Crosswind leg’ to join ‘Left downwind’ runway 23 (Purple box).
The same procedure if you want to make ‘Right traffic pattern’
Circuit Flight Radio Telephony for uncontrolled airfield And Circuit Pattern Airplane Procedure
I assumed that you already know how to make communication with active ATC. So here is the Radio announcement procedure if you’re in the uncontrolled airfield. Just for example we take Polonia – Medan as the uncontrolled airfield.
- You scan the pattern for traffic and spot the airfield
on downwind. It looks like there’ll be plenty of
room, so to begin the takeoff you:
• Announce “Polonia traffic, Skyhawk Four Zulu
Sierra departing Runway Two-Three, closed
traffic, Polonia.”
• Line up. Turn the landing and anticollision lights
on. Taxi onto the runway, and without stopping,
align the aircraft with the runway centerline and
take off. - Departure Leg
• Climb on the extended runway centerline beyond
the departure end of the runway and to within 300
feet of traffic pattern altitude. Polonia’s pattern
altitude is 1,500 feet msl, so continue the departure
leg until the altimeter registers 1,000 feet.
• At 1,000 feet, look to the left and right to be sure
there is no traffic conflict and announce “Polonia
traffic, Skyhawk Four Zulu Sierra turning
crosswind Runway Two-Three, Polonia.” - Crosswind Leg
• Climb to pattern altitude—1,500 feet msl in this
case—level off, and reduce power to maintain a
safe interval.
• Continue on crosswind until approximately 1/2 mile
from the extended runway centerline.
• To help visualize this distance, use the
runway itself. For example, if the runway is
approximately one mile long (5,280 feet),
use half its length as a guide for the turn to
downwind.
• As you approach the turn point, scan for traffic on
downwind and announce “Polonia traffic,
Skyhawk Four Zulu Sierra turning downwind
Runway Two-Three, Polonia.” - Downwind Leg
• Establish the downwind track and begin the beforelanding
checklist. Perform most of the landing
configuration tasks while on this leg.
• Retractable-gear airplane pilots should confirm
the gear is down and locked while passing
midfield on downwind.
• All pilots should be especially vigilant, scanning
and listening for traffic entering the pattern on the
downwind leg. This could occur anywhere on
downwind.
• Select a touchdown spot on the runway, and as you
pass that spot, begin the descent for landing by:
• Reducing power to maintain approach speed
• Setting approach flaps
• Continue on downwind and plan the turn to base so
as to achieve a 1/2 to 3/4-mile final approach leg.
• Suggestion—turn base when the aircraft is 45
degrees to the approach end of the runway.
• Approaching the turn point, scan for conflicting
traffic and announce “Polonia traffic, Skyhawk
Four Zulu Sierra turning base Runway Two-Three,
Polonia.” - Base Leg
• This leg is flown perpendicular to the runway
centerline, but if there is any wind, the airplane will
be crabbed toward the wind.
• If dealing with a left crosswind on final, lead the
turn to final approach.
• Right crosswinds will delay the turn to final.
• Be especially careful to scan and listen for
traffic on base or final. Once turned toward the
runway, it is difficult to see behind the aircraft.
• Continue airplane configuration tasks.
• Approaching the turn point, look out the right side
to ensure the final approach path is clear, and then
announce “Polonia traffic, Skyhawk Four Zulu
Sierra turning final, Runway Two-Three, full stop,
Polonia.” - Final Approach Leg
• On final, verify airplane configuration and set
landing flaps.
• There is a tendency for pilots to “lock on” to the
touchdown zone. It’s imperative to continue scanning
and listening for traffic as we slide down final. Clear
both sides of the final approach path.
• Maintain alignment, flare, and wait for that soulsatisfying
squeak that says you’ve made another
great landing.
Congratulation, you’ve made your circuit filght.
Incoming search terms:
- left downwind
- Circuit Pattern
- right downwind
- aircraft circuit pattern
- traffic pattern
- left downwind leg
- basic circuit pattern
- pattern circuit
- downwind
- aerodrome circuit pattern

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Great read! thx
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