League of Silent Flight
Soaring Accomplishment Program Tasks
Section I - Introduction
Section 2-Level I (Primary)
The performance tasks pursuant to Level I are presented in the Soaring Accomplishments Program, Requirements Summary, Section12. Upon completion and documentation of the Level I tasks, the Aspirant must submit the performance documentation voucher to the LSF Executive Board for membership enrollment. After acceptance of the voucher, the LSF Executive Board will award the Member his LSF number and remit a Level II performance documentation voucher. The Member may then display a red I centered immediately below a Soaring Accomplishments Program insignia, and his LSF number.
Section 3 - Levels II Through IV (Intermediate)
As in the previous Level, the vouchers are submitted, accepted, and a voucher for the next Level is returned. As earned, the Red II will be displayed to the immediate left of the Soaring Accomplishments Program insignia, the III to the right, and the IV centered immediately above the insignia.
Section 4 - Level V (Advanced)
Level V is formulated to recognize advanced knowledge, skill and determination in R/C model soaring. Skill in slope soaring is mandatory, as Level V is intended to delineate extensive experience in all facets of R/C model soaring. The earned silver V will be displayed immediately above the red IV.
Section 5 - Witnesses
Verification of each task of each Level requires the signature of qualified witnesses.
The approved witnesses for non-competitive requirements shall be:
The approved witness for competitive requirements shall be either the contest Director or the Official Scorer.
Section 6 - Procedures
The tasks required at all Levels must be performed with the following restrictions: (a) all work done at Level I must commence after the voucher is received: (b) requirements for the subsequent Levels may be achieved any time after the previous Level form has been postmarked, However, these said requirements will be nullified if the postmarked form sent is returned due to errors or incompleteness; a single performance may be used for only one Level.
Section 7- Thermal Duration Flight
A flight shall be deemed a thermal duration flight if, in the opinion of the pilot and witnesses, the lift being used to remain aloft is primarily attributable to thermal activity. Termination must be with a landing within 200 meters (656.2 feet) of the launch point, which is the point at which the model first become airborne.
Section 8 - Slope Duration Flight
Jack Strother and his Sailaire, Brookville Damn.
Section 9- Precision Spot Landing
A precision spot landing is accomplished by landing the sailplane so that the extreme forward tip of the nose or forward most point of the longitudinal centerline, at rest, is within the required distance from the center of a designed spot on the ground. All precision spot landing flights must commence with a launch meeting the specifications for towline lengths and methods outlined in Section 7, except that the towline shall be not less than 75 meters (246.1 feet) in length. The landing shall be voided if the model jettisons or loses parts, comes to rest in an inverted position or touches any person or object while landing. However, contact with a spot-marker which does not noticeably impede the flight or landing of the model is permissible.
Section 10 - Goal and Return Flight
A goal and return flight is a thermal duration flight which commences with a launch as specified in Section 7. After towline release, the sailplane must be flown over the launch point and then to a pre-designated goal a minimum straight line distance away, as specified in the Soaring Accomplishments Program, Requirements summary, Section 12, and back to the launch point.
Section 11 - Competition
Competition requirements specified in the Soaring Accomplishments Program, Requirements Summary, section 12, may be fulfilled only in LSF recognized contests which are defined to be those meeting the following specifications:
All contestants must compete at the same location on the same date.
B - RoundsThree or more separate opportunities to score
C - Events
Fifty percent (50%) or more of the contest events must adhere to at least one of the following guidelines:
Two alternative methods of scoring may be used to meet competition requirements. Either the Place System, where a place is recognized to be first (1st), second (2nd), or third (3rd) in the final standing of a contest; or the Competition Points System, where a minimum total of competition points from any six (6) contests may be used. Competition points are computed by first dividing the participantís score by the winnerís score and multiplying by 100; then, multiplying the resultant value by one (1) plus the number of lower standing contestants. A minimum of six (6) contests must be flown no matter which scoring method is used.
(a) Winner earns a score of 531 (b) Participant earns a score of 312 (c) Participant beats 5 other contestants. (d) Participantís Competition Points are: 312 / 531 x 100 x (1 + 5) = 352.
D - FAI World Records
The establishing of a world record - recognized by the Federation aeronautique Internationale - shall constitute the requirements for a contest win. However, six contests or records or a combination of six contests and records must be recorded on all performance vouchers from Level II through Level V. The 12,000 point requirement must also be fulfilled for Level V.
Section 12 - Summary of Requirements
* A second thermal flight which meets the basic Thermal Duration requirement for this Level may be flown in lieu of the Slope Duration requirement. However, the second thermal flight may not be flown on the same day.
** Section Section 11 - D (FAI World Records)
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