airfieldmanual:c._wave_soaring
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airfieldmanual:c._wave_soaring [2021/01/13 13:20] sallyw |
airfieldmanual:c._wave_soaring [2021/02/14 18:33] bruced another source of sunset time |
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| * Do not assume that the wave areas/boxes are open – check before take-off. | * Do not assume that the wave areas/boxes are open – check before take-off. | ||
| * Remember that in the relatively high wind speeds you will need to fly the glider at higher speeds than you may normally be used to, only slowing up if you really need to take a climb. It is essential to make sure that you are not drifted downwind into any airspace or cloud there may be, remembering that, although the wind may be in excess of 40 knots, the associated cloud is stationary relative to the ground. Jumping upwind to a wave bar may require flying through strong sink at 100+kts, however…. | * Remember that in the relatively high wind speeds you will need to fly the glider at higher speeds than you may normally be used to, only slowing up if you really need to take a climb. It is essential to make sure that you are not drifted downwind into any airspace or cloud there may be, remembering that, although the wind may be in excess of 40 knots, the associated cloud is stationary relative to the ground. Jumping upwind to a wave bar may require flying through strong sink at 100+kts, however…. | ||
| - | * Be aware of the change in the Vne of your glider with altitude. This change in Vne, with reference to the ASI (i.e. indicated airspeed), should be tabulated in the aircraft manual and may be displayed on a cockpit placard. | + | * Be aware of the change in the V< |
| * Have a working oxygen system, know how to use it and remember to switch it on(!) and test it before you take off – more on oxygen below. | * Have a working oxygen system, know how to use it and remember to switch it on(!) and test it before you take off – more on oxygen below. | ||
| * An obvious one – dress warmly regardless of how warm it feels on the airfield. Getting really cold will take the edge off your enjoyment of the flight and may start to impair your mental skills and judgement. | * An obvious one – dress warmly regardless of how warm it feels on the airfield. Getting really cold will take the edge off your enjoyment of the flight and may start to impair your mental skills and judgement. | ||
| * Be very careful if entering cloud. Icing is a very real risk particularly with a very cold airframe contacting supercooled water droplets in even a wisp of cloud. Know where the freezing level is. Do not enter cloud unless you have suitable instruments and know how to use them. | * Be very careful if entering cloud. Icing is a very real risk particularly with a very cold airframe contacting supercooled water droplets in even a wisp of cloud. Know where the freezing level is. Do not enter cloud unless you have suitable instruments and know how to use them. | ||
| - | * While at height watch out for the onset of night. The evening is frequently a time of good wave conditions when it is easy to gain considerable height in a short space of time. It can however take a long time to get down from FL190 and it could be dark on the ground by the time you get down. We try to keep a last landing time chart current on the notice board and you should check this before you fly. Sunset time for your location is readily available on the internet. | + | * While at height watch out for the onset of night. The evening is frequently a time of good wave conditions when it is easy to gain considerable height in a short space of time. It can however take a long time to get down from FL190 and it could be dark on the ground by the time you get down. We try to keep a last landing time chart current on the notice board and you should check this before you fly. Sunset time for your location is readily available on the internet. Your glide computer (i.e. XCSoar) should also show the sunset time for your location. |
| * Be ready for the possibility of encountering severe turbulence in the circuit and a marked wind gradient on approach when you return to land after a wave flight. | * Be ready for the possibility of encountering severe turbulence in the circuit and a marked wind gradient on approach when you return to land after a wave flight. | ||
airfieldmanual/c._wave_soaring.txt · Last modified: 2022/06/03 16:28 by 216.244.66.200
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