while taxiing, but not when being towed.

outside the daylight-period at engine-start, during the daylight period this procedure is not applicable.

to attract attention to the aircraft.

outside the daylight-period in flight, but not on the ground when being towed.

The aeroplane towing an object, regardless of its position in relation to the glider.

The aeroplane towing an object, if the glider is on its right side.

The glider, regardless of its position in relation to the aeroplane.

The glider, if the aeroplane is on its left side.

Certification Specifications, Acceptable Means of Compliance and Guidance Material.

Guidance Material, Regulations, Delegated Acts and Implementing Acts.

Regulations, Delegated Acts, Implementing Acts and Implementing Rules.

Implementing Rules, Implementing Acts and Certification Specifications.

No or negative.

Yes or affirmative.

Require assistance.

Require medical assistance.

A letter "Y"…

A letter "X'.

An arrow pointing in that direction.

A letter "V".

110 degrees red light on the left wing, 140 degrees white light forward position, 110 degrees green light on right wind.

110 degrees red light on the left wing, 140 degrees white light aft position, 110 degrees green light on the right wing.

110 degrees red light on the left wing, 140 degrees white light aft position, 110 degrees amber light on right wing.

110 degrees white light on the left wing, 140 degrees green light aft position, 110 degrees red light on right wing.

Sectors to be avoided with no navigation aids.

Sectors to be departed with no ATC service.

Sectors to be flown with no navigation aids.

Sectors to be avoided with no ATC service.

Rocking the aircraft's wings.

Circling the ground signals at least once.

Flashing on and off twice the aircraft's landing lights or, if not so equipped, its navigation lights.

Overflying the ground signals twice on a North-South heading.

Medium

Heavy

Super Heavy

Light

06

27

36

09