Pilot safety and SIV training course – David Eyraud
MEMO
Wing-Over
If you already know how to do Wing-Overs: evaluation
If not: -> Wing-Overs initiation
Perform a Wing-Over demonstration without changing your habits. Stay within your comfort zone!
After a few turn reversals, David will intervene:
- Either by asking you to stop in order to have time to debrief your performance calmly…
- Or by helping you while continuing the Wing-Overs…
Wing-Overs Initiation
1 – Weight Shift Only
Hold onto the risers in “secure hands up” position.
Perform a series of weight shift movements only.
In a roll to the right, look at the horizon on the right to see the landscape and watch the right wingtip describe a parabola in the landscape.
The right timing to transfer body weight is at the boundary: the wing is at its lowest point (the pilot is at their highest point).
David will give a “now!” or say “weight shift!” or just “shift!” at the boundary.
You need to be quick and dynamic when transferring weight from one side to the other, but without getting too unbalanced (no need to cross your legs or position your head on the other side of the risers).
Work with your hips!
2 – Adding Brake Control
After a while, David will warn you, for example:
“on the next one to the right, we’ll add brakes…”
“weight shift right…” : lean right and wait a bit…
“… and NOW brakes right” : stay leaned and brake.
- Brake simultaneously on both sides (at the same time).
- But of course brake more on the turn side!
- The brake lines should be firm.
- Feel the wing and hold it on the outside: compensate for pressure loss.
It’s thanks to the outside brake that we control the level of the maneuver.
- The right timing to reverse (= initiate braking) is at the end of the acceleration phase, slightly before arriving under the wing (slightly before the zero point).
- NEVER reverse late (during the climb)!
- Braking is at its maximum at the boundary (at the top of the climb).
- “hands up, weight shift!” Release the brakes once past the boundary, at the very beginning of the acceleration phase. At the same time as transferring body weight…
Movement seen from behind and pilot view:
Example of Wing-Overs initiation:
Safety Instructions
Make sure you have all green signals before initiating a turn reversal!
The pilot feels good (good mindset, ahead of the game, not lost…).
No roll at the end of acceleration phase (successful leveling).
Not late: the wing is slightly forward.
David isn’t asking you to stop…
If David says “NO!” even at the last moment: don’t reverse (exit)!
If you feel lost: don’t reverse (exit)!
If you’re late: don’t reverse (exit)! Never initiate a reversal after the zero point (if the climb has started).
If leveling isn’t successful (roll remains): don’t reverse (exit)!
If the wing collapses: don’t reverse (exit)!
If David says “NO!”: don’t reverse (exit)!
If David says “stop” or “let’s exit”: don’t reverse (exit immediately)!
However, if the wing collapses: after collapse: hands up!
Exiting
The simplest way, and what loses the least height, is to exit in climb then control the surge.
During the climb, it’s possible to slightly compensate for roll:
- If the last turn reversal was to the right, in the climb slightly compensate with the right brake.
- If the last turn reversal was to the left, in the climb slightly compensate with the left brake.
It’s also possible to exit with energy dissipation by dissipating on the side of the last turn.
For example, after a right reversal, release the brakes as usual but stay leaned to the right. Keep hands up during the acceleration phase and re-engage the right turn at the very beginning of the climb by braking right…
