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F3S Flying and Judging Corner

PictureFIGURE # 1
UP FOR DISCUSSION: Fine points of both flying and judging the 2025 Silver sequence.

All maneuvers are required to be wind corrected. There is a deduction of 1 point per 15° deviation and 0.5 point for half of this (in pitch, roll and yaw).

As shown in the slide of the first figure of the Silver sequence, the Square Loop is performed at the center of the box.
"The first radius of a maneuver does not define the radii for the remaining radii of a maneuver but it is a starting point. As the maneuver progresses, the judge will compare each radius that was just flown to the last radius flown and if there is a difference, then a downgrade will be given based on the severity of the difference." (RULE 5B.8.4. LOOPS).

All 4 lines should have the same length.
"If there is a small deviation, there is a 0.5 point deduction, for a greater deviation, more points should be deducted." (RULE 5B.8.3. LINES).
IDEALLY, the pilot should aim at having all his radii and line lengths match.

On the first vertical, there is a 2x4 point roll, and this should be centered on the line. Similarly, on the 3rd line, there is a ½ roll, and this should also be centered on the line.
"The roll-rate must be constant. Minor variations in roll-rate must be downgraded by 0.5 point, while more severe variations must receive a downgrade of 1 or more points." (RULE 5B.8.5.b). "Whenever a continuous roll, part-roll, snap roll, or a consecutive combination of these is placed on a line, the length of the line before and after the roll or the combination of consecutive rolls must be equal. 0.5 point is subtracted for a minor difference, and 1 or more points for a major difference. If there is a complete absence of a line before or after the roll, 3 points are subtracted." (RULE 5B.8.10).

The exit of the Square Loop is complete when the aircraft reaches the point of the pull of the ENTRY radius. The entry and exit altitude should be the same.

Paying attention to both piloting and judging aspects will make competing in F3S a more enjoyable experience for all.

March 07th, 2025

3/7/2025

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Picture
Picture
Maneuver # 13    Loop with four point roll integrated over the top 90°.

We have now arrived at the 13th and final maneuver of the 2025 Silver sequence. This maneuver is performed at the center of the box. The entire figure should be centered on the center line of the box. It begins upright and when completed, the aircraft will be upright, continuing in the same direction.  All maneuvers are required to be wind corrected. There is a deduction of 1 point per 15° deviation and 0.5 point for half of this (in roll, yaw and pitch).

The first part of the loop sets the radius that should be flown throughout the entire figure. The radius should be smooth and constant. "Each occurrence of a minor difference in radius must downgrade the maneuver by 0.5 point, while more severe deviations may downgrade it by 1, 1.5, 2 or more points for each occurrence. The first radius of a maneuver does not define the radii for the remaining radii of a maneuver but it is a starting point. As the maneuver progresses, the judge will compare each radius that was just flown to the last radius flown and if there is a difference, then a downgrade will be given based on the severity of the difference." (RULE 5B.8.4. LOOPS).

The pilot will then perform an integrated four point roll over the top 90° of the loop. "The roll-rate must be constant. Minor variations in roll-rate must be downgraded by 0.5 point, while more severe variations must receive a downgrade of 1 or more points. (c) The start and stop of the rotation must be crisp and well-defined. If a start or stop is badly defined, 0.5 or more points are to be subtracted for each." (RULE 5B.8.5.b,c). "Flight paths of continuous rolls or part-rolls that are integrated with loops or horizontal circles should be smooth, continuous, and of constant radius. Where an integrated roll is required, quick-rolling should be downgraded using the 1 point per 15 degree rule." (5B.8.10).
In addition, being a center maneuver, not only should the roll be centered on the top 90° of the loop, but the aircraft should be upright as it passes the center line of the box.

Subsequent to flying the four point roll, the pilot will continue the rest of the loop, ensuring that the radius is maintained. The rules require certain center maneuvers entry AND exit to be at the same altitude, and this center loop falls into this category. “Center maneuvers start and finish on the same heading, while turn-around maneuvers finish on a track 180 degrees from the entry. When appropriate, entry and exit of center maneuvers must be at the same altitude, unless specified otherwise. Positioning adjustments in altitude are allowed in turn-around maneuvers.”  (RULE 5B.2).

The exit of the final maneuver and completion of the sequence occurs when the pilot draws a horizontal line of at least one second. "All aerobatic maneuvers are entered and exited by a horizontal line of recognizable length. When no horizontal line is flown between two maneuvers, the just-completed maneuver must be downgraded by 1 point and the upcoming maneuver must be downgraded by 1 point. The last maneuver of a schedule must have an exit line of at least one (1) second in duration for the maneuver to be deemed complete." (RULE 5B.8.3)

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