The following rules appeared on the official M.A.A.A. website for year 2006:

C/L VINTAGE STUNT 
 
4.15.1.  OBJECT 
 
To encourage the building, displaying and flying of vintage control line stunt model 
aircraft. 
 
4.15.2.  GENERAL RULES 
 
A visual safety inspection and pull testing shall be carried out before flying. 
 
Pull Test -   as prescribed for FAI Aerobatics. 
Control line type - The use of "Laystrate" or braided stainless steel is recommended.  
Silencers -   Fitting of silencers is encouraged. Modification of models from the 
original plan to allow fitting of silencers will not prejudice static 
points. 
 
4.15.3.  STATIC JUDGING 
 
a)  Construction Points. 
Construction points are to be given for workmanship and building the model in the 
same manner and using the same materials as were used in the original. Internal 
construction may be changed to improve strength but external dimensions must 
remain as per the original. 
 
Points For Construction 
Building Workmanship    Max 20 points  
Finish     Max 20 points 
Use of original materials    Max 20 points 
Adherence to original plan    Max 20 points 
 
b)  Age of Models 
 
Points are awarded on a sliding scale as follows: 
1945 - 16   1949 - 12   1953 - 8   1957 - 4 
1946 - 15   1950 - 11   1954 - 7   1958 - 3 
1947 - 14   1951 - 10   1955 - 6   1959 - 2 
1948 - 13   1952 -  9   1956 - 5   1960 - 1 
 
Bonus for biplanes    5 points 
Bonus for fixed flaps   5 points 
 
c)  Documentation 
Competitors must provide proof of age. Points shall be awarded as follows: 
  
Excellent proof:   Date and authenticity of evidence is beyond doubt 
(e.g. dated plan or magazine published 
plan)..................................................10 points 
Good proof:   Supporting evidence indicating likelihood of 
authenticity (e.g. magazine article giving dated  
reference) ...........................................7 points. 
Fair proof:        e.g. published list of old time designs plus undated  
plan.....................................................5 points 
Poor proof:    e.g. undated plan alone or no proof 
presented)...........................................3 points 
 
Note:   photocopies of original documents are acceptable. 
 
d)  Age of engines - Add progressive points for increasing age of engines in the 
following scale, with age validated by suitable documentation. 
 
1944  27  1949  19  1954  14  1959  9  1964  4 
1945  25  1950  18  1955  13  1960  8  1965  3 
1946  23  1951  17  1956  12  1961  7  1966  2 
1947  21  1952  16  1957  11  1962  6  1967  1 
1948  20  1953  15  1958  10  1963  5  1968  0 
 
Full points, relevant to the particular year, shall be awarded for reproduction 
engines. 
 
Bonus for spark ignition .............................................    10 points 
Bonus for models powered by engine 2.5 cc or less ...    10 points 
 
Note: 
1.  Reproduction engines shall qualify if  constructed to the original design. 
Modifications to allow fitting of mufflers shall not prejudice engine points. 
2.  Spark ignition bonus is awarded only when the engine was originally sold as a 
spark ignition engine. 
3.  To qualify for engine points, competitors must provide at least fair proof of 
engine age. No points will be given if no proof is given. 
 
4.15.4.  FLYING. 
 
There shall be two official flights. Each competitor is entitled to two attempts for  
an official flight. Two minutes are allowed for starting. Failure to do so will 
constitute a delayed flight. Two delayed flights will constitute an official flight. 
At least two laps are required between manoeuvres. Competitors should signal 
before commencing each manoeuvre. Competitors should signal before commencing each 
manoeuvre.  The points shall be scored as follows: 

a)  Starting and Takeoff (two minutes)..............................  Max 10 points 
b)  Level flight (2 laps at 2 metres).......................per lap  Max 10points 
c)  Climb (at least 3 metres).......................................  Max 10 points 
d)  Dive (at least 3 metres)........................................  Max 10 points 
e)  Wingover (1 overhead arc, recovery to upright flight)  Max 10 points 
o
f)  Inside loops (3 consecutive within 60
 )............each @  Max 10 points 
g)  Inverted flight (2 laps at 2 metres).....................per lap  Max 10 points  
(entry from and recovery to normal flight is not judged) 
o
h)  Outside loops (3 consecutive within 60
)..........each @  Max 10 points 
o
i)  Lazy eights (2 consecutive within 60
)..............each @  Max 10 points 
j)  Two consecutive vertical eights. .......................each @  Max 10 points  
(entered via a half-inside (lower) loop leading into   
the second (upper) outside loop) 
k)  Two consecutive overhead eights ......................each @  Max 10 points 
l)  Two consecutive inside square loops ............... each @  Max 10 points 
m)  Landing.........................................................  Max 10 points 
 
The total points scored shall be the aggregate of the static points and the points 
scored in the best official flight, each inclusive of all bonus points.