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Published byDonald Potter Modified over 8 years ago
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FIELD LANDINGS
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When to think about outlanding 2000 ft only gives you 10 minutes. When you can no longer stay airborne. As soon as you stop climbing. Before you launch. Consider time of year.
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Considerations when picking a field Wind Size Slope Surface Stock
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WIND Landing into wind. –Reduces landing run. –Increases approach angle. Landing cross wind –Small into wind component –Weather cock and wing drop possibility. Landing downwind. –vastly increases landing distance. –High ground speed, don’t stall in.
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Accessing wind direction. Draw wind direction on map. Thermal Drift –only shows upper level wind Smoke / Dust Wind shadow on water Birds always land into wind, there not stupid
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FIELD SIZE Normal minimum 250 yds but depends on –What you are flying –What is the headwind component –What is the slope Landing corner to corner increases length. BEWARE of wires
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Accessing field size Use relative sizes of surrounding houses, trees ect. Beware of a small field surrounded by smaller ones. Telegraph poles are approx 80 yds apart. Is the approach unobstructed –Obstacles on the approach decrease the usable field size by 8 times the height of the object.
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SLOPE ANY visible slope is too steep to land down. If landing upslope, –Extra speed required for roundout. –Large roundout angle required. –BEWARE Perspective of field may act to shallow your approach.
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Accessing slope Look at the local terrain Water collects at the bottom of a slope –ponds / streams Look at field from two sides.
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SURFACE Consider, –Time of year –Where you are flying Undulations –Ridge and furrow Fences –may be marked by a defined change in surface colour.
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SPRING / EARLY SUMMER Crop –landable if you can see soil through it. Silage –striped when rolled –yellow green when cut Pasture Soil –good when rolled and harrowed.
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SUMMER Silage Pasture Soil –may be potatoes –probably beet in east anglia
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LATE SUMMER Silage Stubble –Beware of bales Pasture Soil –Probably ploughed stubble and may be rough
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Stock Horses –NEVER Sheep –only if there is room and not in the spring Cows –Do not leave glider unattended –One cow is probably a bull
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The Landing Treat the field as a normal landing area Fly a normal circuit Do not lose sight of field Give yourself a fairly long approach Land over obstacles with at least 2/3 airbrake if possible. Stop as soon as possible
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After Landing Secure glider Find landowner and get permission to move glider Phone crew AND club Search field for any debris after de rigging Close all gates.
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