They were a good advisary of most all of ours. They liked low altitude because the engine couldn't breathe in thin air. That's why they made an excellent attack a/c. Our a/c could really kill them if caught above 25,000 ft. to dogfight but if they got up that high to shoot bombers, they were hard hitters on us. The cannons used by them was most devestating and their construction was robust, consequently hard to bring down.The best thing to do was catch them before they dove toward the ground. They were what was known as a boom and zoom a/c. They build up speed in a dive to create energy and pull up . The other way to get them was if behind, was to anticipate them turning in a bank b/c the engine torgue would be much quicker one way or the other, I forget right or left. As you can tell ,I love the birdI love the Focke-Wulf. I believe it with a few more modifications it would have given the P51 a run for its money.