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Aircraft
The sign warns that aircraft may fly low over or near the road.
When you see the sign
Be prepared for aircraft passing low over or near the road, often accompanied by loud noise, shadows or air movement. Stay in control, pay extra close attention to the traffic and adjust your speed if you may be startled or your visibility is affected.
Rules
- The sign warns of danger associated with aircraft that may fly low over or near the road.
- The sign does not impose a specific speed limit, but you must choose a speed that is safe for the conditions.
- The sign does not give aircraft or other road users any new duty to give way or right of way on the road.
- Any supplementary plate may indicate the distance to the danger area or how far the danger area extends.
Tips
- Pay particular attention to sudden engine noise and shadows, which may startle or distract you.
- Maintain a steady course and avoid sudden braking or steering if an aircraft passes low overhead.
- Pay closer attention to the traffic ahead, as other drivers may react unexpectedly to the aircraft.
- If necessary, close the side windows if loud aircraft noise near an airport makes it harder to concentrate.
Common misconceptions
- Some people think the sign warns of crosswinds, but it specifically warns of aircraft that may fly low over or near the road.
- Some interpret the sign as a no-stopping sign or as access control for an airport. The sign is simply a warning sign.
- Some brake suddenly when an aircraft passes overhead. The correct response is normally to stay in control and adapt your driving without creating a hazard for traffic behind you.
Test yourself
Easy
What does this sign warn about?
- AA road that becomes narrower farther ahead
- BCrosswind that may affect vehicles on the road
- CDangerous bends farther ahead
- DAircraft that may fly low over or near the road
Medium
An aircraft passes low over the road after you have seen this sign. What should you normally do?
- ASwerve toward the edge of the road without checking traffic behind you
- BIncrease your speed to get past the area as quickly as possible
- CBrake hard and stop immediately in the middle of the lane
- DMaintain control and calmly adapt your driving to the conditions
Hard
You see this sign beside a road that runs near an airport. Which statement is correct?
- AThe sign gives aircraft priority and requires all vehicles to stop
- BThe sign restricts access to the road to vehicles with an airport permit
- CThe sign prohibits stopping and parking along the entire relevant stretch
- DThe sign warns of danger, but introduces no separate vikeplikt or speed limit
Theory test tip
Look for the aircraft silhouette in the warning triangle. A common trap is to choose crosswinds or a general airport meaning, but the sign specifically warns of low-flying aircraft over or near the road.
Did you know
The sign is used particularly on roads near airports and approach or departure areas, where aircraft may pass unusually low over the traffic.
Frequently asked questions
Do I have to reduce my speed when I see the sign?
The sign does not require a specific speed. However, you must reduce your speed if aircraft, noise, visibility or the reactions of other road users make this necessary to drive safely.
Does the sign mean that I am approaching an airport entrance?
No, not necessarily. It warns of low-flying aircraft over or near the road, often because the road is located near an approach or departure route.
Does the aircraft have a duty to give way to traffic on the road?
The sign does not regulate right of way between aircraft and road traffic. As a driver, you should first and foremost be prepared for noise, shadows and other unexpected effects of an aircraft passing low overhead.
What should I do if an aircraft suddenly passes very low overhead?
Keep watching the road, maintain a steady course and avoid sudden manoeuvres. Also watch for other drivers braking or changing direction unexpectedly.
Practise for the theory test
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