Sentence:  I had one instructor that called and said he had tried everything to solo his student but the guy just couldn't get the picture of what was expected. One time around the airport the student would <WSD>flare</WSD> the airplane twenty feet in the air, and the next time around he would fly the nose into the ground. ... He either <WSD>flared</WSD> out very high, or didn't <WSD>flare</WSD> out at all. 
Meaning of the word marked with <WSD> tags:  To (operate an aircraft to) transition from downward flight to level flight just before landing.