FF and CL Scale
Kit Scale Rules
Scale Judging Sheet
Click here to view and download a copy of
the FAI Rules.
This will provide rules for all Free Flight and
Control Line scale classes. Look specifically for the following
F4A Free Flight Power Scale
F4D Indoor Free Flight Rubber Scale
F4E Indoor Free Flight CO2 Scale
F4F Indoor Free Flight Peanut Scale
F4B Control Line Scale
Note 1: For Outdoor Free Flight CO2 and
Electric Low Powered Scale Use the F4E Rules with the following
1. Battery is to be a maximum of three cells, 3.8 to
3.9 Volts 110 Milliamps either Nickel Cadmium (Ni-Cd), Nickel
Metal Hydride (Ni-MH) or Lithium Polymer (LiPo).
2. Jetex motors are allowed.
For Outdoor Free Fight Rubber Scale use F4D Rules with
the following amendment.
Models are to have a minimum wingspan of 375 mm.
Note 3:- Control line scale
models. F4B Use of 2.4 GHz Wireless as a Secondary Control
2.4 GHz wireless control may be used for secondary functions,
including but not limited to throttle control, flaps and retracts.
Elevation must be controlled by one or more lines operated by the
Notice:-- Provisional Class to be introduced at 2016
This proposed amendment to the F4A Electric Free
Flight Scale Rules is to allow for the use of more powerful
electric motors and batteries for larger models.
electric motor shall have a limit of 400 watts and where the
modelís power supply is over 110mAh, a safety device to cut power
to the motor is to be incorporated to prevent overloading of the
battery in the event that the motor is stalled.
Should there be sufficient
interest the SIG will propose that this amendment be ratified.
rules for static judging are to be found in the early section of
the code. Examples of judging
sheets for both static and flying are included in the F4A section.
Outdoor Rubber Plan
This is the third
year that the postal competition for models constructed
from a published plan has been held.
2015 saw a
record entry of 10 models all achieving qualifying
flights. While the increase in numbers is encouraging it
would be great to see entries from the rest of the country
as 2015 entries only came from the Auckland area.
To be held
The plan scale
competition is intended as an entry level to free flight
rubber scale and as such the competitor and model which
gains first place will not be eligible to gain first place
again in this competition. However this does not preclude
the competitor from entering again.
place should provide the incentive to move on to a class
such as Kit Scale or Outdoor Rubber Scale and thus
increase the participation in these classes and the
competition experience of the competitor.
With the Nationals
being held later in the year results gained at the
Nationals for your model can be used for the plan scale
scale postal competition must be one of the easiest scale
competitions to enter. A lot of time need not be spent on
detail, correct outlines, loads of documentation and
attending a scale competition to enter. You
can keep it simple and pick the time and place that best
The builder of
the model rule applies
person is required to time the model
competitor may send up to two qualifying entries per
Models must be
constructed as per the plan using the materials
specified and tissue covered.
propellers are allowed, but not feathering, folding
propellers or gearing.
To qualify for
an official flight, the model must be flown for a
minimum of 15 seconds
Each second of
flight time will be counted as 1 point.
of plan i.e. web site, kit or photo/scan of plan.
of the model and one clear side view photo of the
model for identification.
So why not give it a go,
if scratch building from a plan is not your thing there
are number of scale rubber kits available at a reasonable
Useful places to obtain
Flight and Control Line SIG has access to a wide
range of plans in PDF format on a CD or via email.
Mikes Model Page
website for a large number of plans from all
09 6368 439 (Auckland)
09 8284 892