..

Good Fighter's (At least equal with MN)

Poor Dive Bomber's (At least supposed to be poor)

Great TB's (2nd best,between US and UK) 

it seems rm cv drivers who uses tb is rare. dunt know why

i rarely see cv  rm in gb. perhaps the cv is not good as other nation.

Their FPs have (at T4 level).

190 firepower (Lowest tied with IJN and RN)
655 speed (Faster than SN KM and RN but slower than IJN and USN)
116 fuel (second ony to IJN and USN that both have 119 seconds of fuel)

And here's the good part.

23 armor and 171 DP.
RM are the only fighters that combined high armor with high DP.

As for bombers...

Weak bombs with somewhat slow DBs.
Strong torps with yet again slow TBs

Also note: TB exp is bugged and TB damage rarely can compare with DBs making them situational at best.

what do you mean by tb exp bugged? could you pls elaborate more

one additional variable that assists RM is that the fighter pilots are +2. 

the diff between the highest dp armor  and 2nd highest only 1-2 point. so does it matter alot in battle?

- Fighters:

nice ones, only behind US, i would say they are equal to KM in 2nd place

- DB:

don't waste time lvling those... they are almost as bad as UK

- TB:

2nd damage only after UK, at the cost of slow torps and slow TB, but quite usable

- Scout(120):

havent tested but they must be as OP as the rest of the nation's T5 scouts

As for ships they have small size and good armament slots, at the cost of poor speed an poor turning rate.

I'ts a matter of playstyle, i would not trade a US FW CV for a RM, nor change a UK TBW CV for a RM. But shure it can work just fine (at least better than most nations) at any of those config