Sky Battle 2021

One-Design postal contest for

SIG Cub models!


​​SIG Cub postal contest info!

sig cub bones.jpg
sydney sig cub.jpg

Postal Contest rules:


1.  Official flights may be made any time within the contest window Oct 1-17, 2021.

2.  SIG Cub models with stock airframe size, shape, structure (minor changes permitted). DT optional.

3.  Any covering material is OK, any prop of stock diameter, any size rubber motor.

4.  Free Flight only.

5.  Model must ROG from ground, table, or other surface.

This is a "postal" contest, where pilots fly their models at their home field, and report results to headquarters by email.

isabella sig cub 1.jpg

Official flights must be made between October 1 through October 17, 2021.

Ask questions and report your results to

Please include pilot's name, single best flight time, and pilot's date of birth.
A photo is welcome but not required.

​Each pilot may make unlimited attempts to get his or her single longest flight time. 


  • Use a stopwatch or smartphone timer app.

  • Timing starts at model launch and stops when the model touches the ground, goes out of sight during flight, or lands on any structure, tree, etc


​One entry per pilot.  No entry fee.

Winners will be announced in 3 age categories:


(a) JUNIORS - Under 15 years of age

(b) SENIORS - 15 years of age to 19 years of age

(c) OPEN -19 or more years of age

Entries with no age info are placed in Open category!