10/25/03 ce planning long flights carl ekdahl presentation for asc 10/25/03
TRANSCRIPT
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10/25/03 ce
Planning Long Flights
Carl Ekdahl
Presentation for ASC
10/25/03
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Planning Long Cross-Country Badge and Diploma Flights
• Equipment• Rules• Tasks• WX• Tactics• Resources
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Planning for long flights
• Plan on a long flight = plan on early takeoff– 1000 km = 624 miles– 624 miles @ 80 mph = 7:48– 624 miles @ 70 mph = 8:55
• Plan on landing out!
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Equipment
• Sailplane– Water ballast system– O2– Instruments
• Land Out– Drinking Water– Survival kit– Cell Phone
• Documentation– FAI approved GPS– Cameras
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Rules
• Flight can begin from undeclared departure point• Can use up to 3 pre-declared turnpoints for task• Turnpoints can be used in any order• Must fly around turnpoints
• Barograph must be calibrated within 1 year of flight • GPS must be calibrated within 2 years of flight
OR• within 1 month after flight
READ AND UNDERSTAND THE FAI RULES
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Tasks
• This winter, lay out several tasks for various conditions, fill out paper declarations, and make copies. – On the day of the flight, simply complete one of the
copies and have your observer sign it. (saves mucho time!)
– When planning tasks with long legs ensure that the total distance is somewhat greater than 624 miles to allow for new geodesic calculation (or calculate it exactly).
• Pick turnpoints that are easily seen from the air.– Keeps your head out of the cockpit and makes rounding
the turnpoint easy. (Caution – many of the turnpoints in the Moriarty databases were designed for contests using cameras and are NOT at the landmark!)
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Tasks
• Use the rules to your advantage
– Use undeclared departure point to get away early• Make sure that flight will have required distance using
uncertain remote start
– Use up to 3 turnpoints to optimize orographic soaring, to stay in an optimum area, to provide options, or keep close to home.
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Tasks: Three turnpoints to optimize orographic soaring
Moriarty to Ten-Mile Peak and return (628 mi)
Moriarty to Trinchera to Climax to Ft. Garland and return (631 mi)
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Tasks: Use 3 turnpoints to stay in optimum area
Moriarty to Sunspot to Lamy Junction to Mescalero and return (626 miles)
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Tasks: Use three turnpoints to provide options
Moriarty to Sunspot to Trinchera Peak and return (629 mi)
Moriarty to Sunspot to N San Luis and return (627 mi)
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TASKS: Use 3 turnpoints to stay close to home
Moriarty to Mescalero to Angel Fire to Socorro and return (624.3 mi)
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Weather
• The best weather for long flights in NM is between May 15 and July 15.
• In the Southwest, during the long-flight season, the predicted diurnal temperature variation is one of the best indicators of the strength of the next day.– 40 degrees F = excellent for long flights– 30 degrees F = good for long flights– 20 degrees F = forget it
• Another excellent predictor is the “height of the minus 3” from the FAA soaring forecast. – This is about the max altitude to which you can climb if
there are no clouds. (but don’t do this!!)
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Tactics
• Get a solid night’s sleep• Plan to get an early start
– Do as much of your preflight preparation the day before as possible• Assemble sailplane
• Fill O2
• Install Batteries
• Fill Water Ballast
• Make Personal Preparations– Drinking water (fill your Camelback the night before)– Load up the car
– Launch as early as it is possible to stay up– Use an undeclared departure point to the West in the
convergence zone
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Tactics
• GPS “Notch”– When breaking off from tow, execute tight 360.
• Turnpoints– Go all the way around the visible point
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Tactics
• Fly as fast as you dare!– Use all of the available tricks to maximize your cross-
country speed.
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Resources• Rules
– FAI Sporting Code Section 3:
www.fai.org/sporting_code/sc3.asp• Tasks
– SeeYou:
www.seeyou.ws– Declaration forms:
www.ssa.org/Badges/Forms.asp• WX
– Temperature Diurnal Variation:
Albuquerque Journal– NOAA Radar:
www.srh.noaa.gov/radar/latest/DS.p38cr/si.kabx.shtml– Dr Jack:
www.drjack.net– FAA Sounding:
1-800-WXBRIEF-2-19
• GENERAL XC : PASCO Seminars (UC Berkeley, Spring)
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Finally,
remember that we are in this spectacular sport only for enjoyment.
HAVE A GREAT FLIGHT!