I say no if you up a tank then you understand the risk or being bombed -1
As has been said before, you're essentially writing off those perks the instant you spawn up. Which is completely unfair, IMO.
The issue is that all almost all of the perk aircraft are, in addition to being better in combat, faster. This allows them to escape if the situation goes south, and thus you stand a reasonable chance of landing your perk aircraft. Additionally, not all damage for a perk aircraft would be considered catastrophic damage. You could be missing both flaps, rudder, an aileron, all your guns, half your tail, your landing gear, and an elevator, and you would still not have taken catastrophic damage. Compare that to a GV, where there is literally 1 damageable component that wouldn't be considered "catastrophic" at most, while some vehicles are ONLY capable of taking catastrophic damage.
Tracks: catastrophic Engine: catastrophic Turret: catastrophic Pintle: minor or N/A (about like losing ONE of the 7.92mm guns on a Spitfire, 109, etc).
Basically, with a GV, its is literally do or die if you leave the base, since you can't turn around and run in many cases, which forces you to reverse at 5mph for a few minutes until you're behind cover. And even when you do get to turn around and run, enemy fighters can cover a full sector in only a hair over 4:30, assuming an average speed of 330mph with ordnance. And the Panther, the fastest perk tank of any serious cost takes over 8:15 to cover the 6k required for landing. A Tiger II would take around 9:20 to do the same. And this is all assuming you can go in a strait line at full speed for the entire time.
Given the animosity with which these vehicles are hunted, you WILL lose those 100 perks if you take up a Tiger II. So no, it is not fair to say "you knew I was going to headhunt you worse than a 262, since its almost a guaranteed kill".
Hell, you wouldn't even have to cut the cost in half if a perk PLANE is killed by a TANK. The reasons are that the perk plane can both avoid dying to the GV's by flying a mere 3000ft off the ground, and can escape at will. And that upping a perk plane naturally entails much less risk than upping a perk tank, simply by the nature of their existence.
Basically everyone needs to either quit whining about concrete sitters, or agree to a change of the GV perk system.