DOUBLE IMMELMANN  Model commences in straight and level flight, pulls into half an inside loop followed by a half roll to upright, does approximately 1 second of level flight followed by 1/2 outside loop, then followed by a half roll to upright, recovering in straight and level flight on the same heading and at the same altitude as the entry.  Downgrades:

1. Entry not straight and level

2. First half loop not round

3. Model deviates left or right during half loop

4. Half loop not completed exactly above starting point

5. Half roll does not start immediately after half loop

6. Roll is not on a straight line and 180 degrees heading from entry

7. Plane goes immediately into outside loop upon completion of half roll

8. Plane holds straight flight too long before going to outside loop

9. Half outside loop not round or same size as first half loop

10. Model deviates left or right during half loop

11. Half loop not completed exactly below starting point

12. Final half roll does not start immediately after half outside loop

13. Final half roll longer or shorter than first half roll

14. Model does not finish on same heading and at same altitude as entry

15. Plane fails to do straight and level flight at end of maneuver