Changing occupations is a personal choice. I am not sure what makes you think you aren't suited for Armour. Maybe the experience of IAP makes you feel you don't have the stuff, maybe you think that the Combat Arms is all about running around or the day to day life of a Armour Officer is like IAP was. The decision to not complete that trng is one you should think over carefully. Remember, you haven't even made it close to the Armour School, or an Armour unit, so I am alittle confused as to why you think it is not for you, you've yet to see and taste it. But, again, only you really know the answer to that.
If you decide to request a MOC transfer, you should do some reading on the regulations that govern this. A few of them are:
CFAO 10-1 Officer Transfer - Military Occupation Regular ForceDAOD 5002-2, Direct Entry Officer Plan, Regular Force (I am assuming you are DEO because of the time of year you are doing IAP/BOTP)ADM (HR-Mil) Instruction 05/05 The New Regular Force Terms of ServiceRemember, you can request a MOC transfer, but it is not a given that you will get it. Many things will factor into it, such as the health of the trade you are in, whether or not the trades(s) you would like to go to have open positions, whether or not you meet the educational requirements, etc. The best people to answer that are the PSO, if and when you decide to address this with your current CoC.
I am not trying to encourage you to transfer MOCs. Something about the Armour Officer MOC appealed to you at one point. I think maybe you aren't so sure after IAP that you like "the army life". Army life in the Training System and the real world are 2 very different creatures. Personally, I think being a Troop Leader is the 2nd best job in the army, second only to being a Troop WO. But, thats my opinion. I also believe if you are mentally convinced that you don't want to do the training, and knowing the nature of that training, if you don't go in motivated, you are wasting time and money, are likely to tap out during the training, and will then transfer MOCs but as a Trg Failure rather than of a voluntary nature. You could, of course, also be released from the CF as a Trg failure. Lots to think about here, IMO.
Last point, if you DO decide to go thru with the MOC transfer, rest assured that you aren't the first, and certainly won't be the last, OCdt in training at CFLRS (or RMC for that matter) who requests a MOC transfer.
I want to get out of the combat arms and get into pilot, air nav, or ATC.
It might be helpful if you know the name of the MOC you might want to transfer to.
AEC is the correct occupation name.
To play devils advocate, what is it you know about the Plt, ANAV, or AEC occupations that makes you think you'd be suited to them? Are you aware of further testing/screening for Air Ops Officers such as ACS, the aircew medical requirements, etc?
Good luck with your decision.