G'day all,

Only my two cents as a full scale commercial survey pilot and rc flyer from Canada so please don't flame me!

VFR charts or sectional charts may not necessarily show all airports.  My experience has been the charts are updated somewhat infrequently and wont always show all airports in your vicinity. It is also possible someone has mowed out a grass strip for private use and their field isn't registered and mapped accordingly. I've overflown many private fields that are not marked on charts.

In Canada the minimum altitude for aircraft is 500' from persons, vehicles, buildings, boats etc and 1000' over built up areas.  That being said there is nothing illegal about me flying around at 200' in a remote area free from all the above mentioned.  So if you decide to fly in a similar area there is potential for conflict where the low flying aircraft may not be in the wrong.  Bear in mind even in built up areas many survey aircraft have exceptions in their operating certificates to operate legally at lower altitudes (ex. the company I work for is approved to operate down to 80m or 262' AGL)

As far as flying in cloud goes, in my opinion this is just a bad idea regardless of AMA or FAA regulations.  Even if you have made all reasonable efforts to create a safe environment can you guarantee you are free of conflict with IFR aircraft?  There are many situations where a full scale aircraft may be cleared down to the lowest sector altitude or min alt on an airway while in cloud.

In Canada the air regs say.
Model Aircraft, Kites and Model Rockets
602.45 No person shall fly a model aircraft or a kite or launch a model rocket or a rocket of a type used in a fireworks display into cloud or in a manner that is or is likely to be hazardous to aviation safety.

Be sure the FAA does not have the equivalent. Has anyone looked into having the FAA mark your flying field as Advisory airspace or at least NOTAM your area when you're flying FPV? I've had one near miss with a rc glider and let me tell you they are very hard to see until you're right on top of them and when you're looking for other full scale aircraft it is very scary.  Fly safe. Cheers....

Schooner