What are ground to air signals?

The three signals that are recognized (and remembered) by most pilots are: three of anything—“distress”; large X—“unable to proceed” or “need medical assistance”; and an arrow—“proceeding in this direction.” Three fires (set 100 ft, or 31 m, apart) placed in a triangular configuration is a sign of distress to a passing …

What does ll stand for as a ground to air signal?

Nine basic ground to air emergency signal codes. N : NO. : NOT UNDERSTOOD. LL : ALL WELL. K : INDICATE DIRECTION TO PROCEED.

What does a green light from a light gun mean to an aircraft on the ground?

Cleared for take off. In regards to the light gun: what would a flashing green light mean to an aircraft on the ground? Cleared to taxi. You just studied 16 terms!

What does a flashing red light from the tower mean when the aircraft is on the ground?

In an airplane a flashing red light from the tower is a signal to taxi clear of the runway in use. The controller may have another airplane waiting to land. A flashing red light is a signal to clear the runway on which you’ve landed.

What is a signal mirror?

A signal mirror is specifically designed to signal in case of distress. Unlike other mirrors, a signal mirror comes with a shiny surface along with a hole placed right in the middle. Most signaling mirrors come with a list of instructions about effectively signaling.

What do marshallers use?

The usual equipment of a marshaller is a reflecting safety vest, a helmet with acoustic earmuffs, and gloves or marshalling wands–handheld illuminated beacons.

Why is aircraft marshalling important?

Marshalling is very important for moving a large aircraft safely and accurately. On behalf of the pilots in the cockpit with relatively narrow visibility, the marshaller watches for obstacles on the ground, and makes sure the aircraft does not strike other aircraft.

What does a flashing red light gun signal mean?

In flight, a flashing red signal means that the airport is unsafe. You may choose to go to another airport if the situation seems bad enough. It will be your decision what to do next as pilot in command. A steady red light gun signal means “Give way to other aircraft and continue circling”.

What does a flashing white light gun signal mean?

If you see a flashing white signal while on the ground, you should return to your starting point, wherever that may be at the airport.

What does a flashing white light from the control tower mean?

A tower can only control its airport, so the “return to starting point on airport” can only refer to that airport. Therefore, if after landing, an aircraft gets the flashing white, it would have to return to its starting point on that airport.

What does a flashing white light mean aviation?

If your aircraft is on the ground the flashing white light means you are required to return to the point from which you started on the airport.

Can any mirror be used as a signal mirror?

Tips on Buying a Signal Mirror In a pinch, you can use almost any reflective surface — even the shiny material from the inside of a broken cell phone — as a signal mirror [source: Galloway].

What is the International ground-to-air signaling code?

We’ve previously discussed signal mirrors, smoke canisters, and electronic beacons, but there’s an even more basic system you should know: the international ground-to-air signaling code. This standard system is designed to send a clear visual message to any aircraft that might pass your location.

How do you signal for help in an emergency?

International distress signalling protocols Using sound or light to signal for help and to reply to survivors. Standing up and raising arms over the head means: “I want to be picked up.” Lie down on ground with arms stretched over the head means: “Require medical assistance.”

What means do you use to signal for rescue?

The means you use will depend on your situation and the material you have available. Whatever the means, always have visual and audio signals ready for use. These signals are materials or equipment you use to make your presence known to rescuers. During darkness, fire is the most effective visual means for signaling.

How high should letters and symbols be from the air?

Remember that to be seen from an aircraft letters and symbols should be at least 5.5 metres (18 feet) tall and letters have to be in reasonable proportion or they will look meaningless from the air. Some illustrations courtesy of the US Coastguard.