18 Tasks listed in the provisional F3K Rules
5.K.8.1. Task A (30 seconds or a multiple of 30 seconds):
During the working time, the competitor must try to accomplish the greatest number of flights, lasting 30seconds or multiples of 30 seconds. 
Each completed 30 seconds increment is scored 1 point.
5.K.8.2. Task B (Last flight):
During the working time, the competitor may launch the model aircraft an undefined number of times,
 but only the last flight is taken into account to determine the final result. The length of the flight is limited to 5 minutes
Used in  Germany
5.K.8.3. Task C (Next to last and last flight)
Used in  Radioglide 2005 Germany
5.K.8.4. Task D (All up, last down, points):
Times in seconds compared, lowest given 1 point next 2 points and so on. If several max they have the same no of points.
5.K.8.5. Task E (All up, last down, seconds):
All competitors of a group must launch their model aircraft simultaneously, within 3 seconds after the signal of the organiser. 
Maximum measured flight time is 3 minutes. Each flight time of the 3 attempts of each competitor is to be added up 
and will be normalised to obtain the final score for this task.
Used in  Germany
5.K.8.6. Task F (Increasing time)
Each flight has to be at least 1 second longer then the previous counted flight. Number of throws is unlimited. Maximum for the first flight is 3 min. 
The score is counted by addition of all successful flights.
Used in  Radioglide 2005
5.K.8.7. Task G (Increasing time by 5 s)
Each pilot has unlimited number of flights. The first flight has to be 10 s, the second 15 s, the third 20 s and so on up to 70 s.
Used in  Radioglide 2005
5.K.8.8. Task H (Increasing time by 15 s):
During the working time, the competitor may accomplish as many launches as he likes. Each competitor must try to complete a flight of 30 seconds. 
Once this is accomplished, the next two flight times must be incremented by 15 seconds
5.K.8.9. Task I (Poker - variable target time)
Before the first launch, each competitor announces a target time to his timekeeper. He than can perform an unlimited number of launches to reach this time. 
If the target is reached, the target time is credited and he can announce the next target time, which can be lower, equal or higher. 
The announcement can be repeated 5 times. 5 flights with a reached target can be credited. The reached target times are added up.
Used in  Radioglide 2005
5.K.8.10. Task J (3 out of 6):
During the working time, the competitor may launch his model aircraft not more than 6 times
Used in  Radioglide 2005 Germany
5.K.8.11 Task K (Three longest flights - three minutes max time per flight)
Each pilot has unlimited number of flights
Used in  IHGLF 2003
5.K.8.12 Task L (Four longest flights - two minutes max time per flight)
Each pilot has unlimited number of flights
Used in  IHGLF 2003
5.K.8.13. Task M (Five longest flights- two minutes max time per flight))
Each pilot has unlimited number of flights
Used in  Radioglide 2005 Germany
5.K.8.14. Task N (Five longest flights - one minute max time per flight)
Each pilot has 6 throws (flights). Only the best five flights will be added up
Used in  Radioglide 2005
5.K.8.15. Task O (Eight longest flights)
Each pilot has unlimited number of flights. Only the best eight flights will be added up.
Maximum for one flight is 60 s
5.K.8.16. Task P (A one, two, three and four minute flight, any order)
Each pilot has unlimited number of flights.
Used in  Germany IHGLF 2003
5.K.8.17. Task Q (Total time - two minutes max time per flight)
Each pilot has eight throws (flights).
5.K.8.18. Task R (Total time - three minutes max time per flight)
Each pilot has eight throws (flights).