What does QFM stand for?

QFM stands for "What height above (datum) should I maintain?"

How to abbreviate "What height above (datum) should I maintain?"?

"What height above (datum) should I maintain?" can be abbreviated as QFM

What is the meaning of QFM abbreviation?

The meaning of QFM abbreviation is "What height above (datum) should I maintain?"

What does QFM mean?

QFM as abbreviation means "What height above (datum) should I maintain?"