AGL Density Altitude Indicated Airspeed 
Flight Training Central
JANUARY 15, 2024
But remember high density altitude reduces performance and therefore increases takeoff rolls, and degrades climb performance. Check airspeed indicator (“airspeed alive”). Establish cruise climb above a minimum safe altitude (500-1000’ AGL).
Chess In the Air
JUNE 24, 2022
He only needed a glide ratio of 14:1 to reach the airfield to arrive at a typical pattern altitude of 1,000 ft AGL. At this point he still had an altitude of 8,275 ft MSL, i.e. 2,739 ft AGL. At this point he was just NW of the runway at an altitude of 8000 ft MSL (2464 AGL).
Fear of Landing
APRIL 19, 2024
As the helicopter continued towards the airport, the airspeed began to decrease. The indicated airspeed had fallen below 65 knots and was still decreasing. As the airspeed decayed, the right yaw increased. The helicopter was at treetop height with an indicated airspeed of zero knots when the right yaw ceased.
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