Flight Training - June 2019 - 45

WHY DON'T WE ALL FLY THIS WAY?
AOA doesn't lie

Once pilots start thinking about flying in angle of attack (AOA)
terms, other formerly fundamental considerations-such as indicated airspeeds-become almost trivial.
Ask U.S. Navy pilots, for example, what airspeed they fly on
approach to carrier landings, and you'll likely get a puzzled look.
The airspeed indicator isn't even part of their scan on final.
Navy pilots are trained to rely on the AOA indicator to ensure
they're approaching at the precise angle where the wings produce
the most lift at the least speed. And that angle remains the same
even though aircraft weight, density altitude, external loads,
flap settings, and other factors cause indicated airspeed to vary
widely.
And AOA is for every phase of flight-not just final approach.
There's an optimum AOA for climb, cruise, maximum range,
and power-off glide. Icon flight training hammers these concepts
into both new students and experienced pilots checking out in the
A5-and the process is so helpful, you can't help wishing every GA
airplane had an AOA indicator.

The Icon AOA indicator is the most prominent gauge in the
instrument panel. It graphically depicts how much lift the wing is
capable of producing, and how close it is to the critical angle at which
it stalls, throughout every flight.
Icon pilots learn to fly the white line on the AOA indicator for
climb, maximum-endurance cruise, approach, and power-off glide.
They fly the yellow line for short-field approaches, rough-water
and glassy water landings, and minimum-radius turns. The green
line is for economy cruise.
The indicated airspeeds for each of these operations can be
difficult to calculate, or even remember, during flight as aircraft
weight, configuration, and atmospheric conditions are constantly
changing. But the optimum AOA is available to A5 pilots at a
glance, and it allows them to fly with remarkable simplicity, accuracy, and consistency.
Icon pilots consult the airspeed indicator (ASI) before lowering
the landing gear or flaps. Other than that, the normally essential
ASI is an afterthought. -DH

AOA
AOA

AOA

In cruise

Approach/climb angle

Short-field approach/
minimum radius turn/
rough-water landing

STEVE KARP

Relative wind*
*Remember: The relative wind is opposite the
airplane's flight path-not necessarily level.

WWW.AOPA.ORG/FT  45



http://WWW.AOPA.ORG/FT

Flight Training - June 2019

Table of Contents for the Digital Edition of Flight Training - June 2019

Contents
Flight Training - June 2019 - Intro
Flight Training - June 2019 - Cover1
Flight Training - June 2019 - Cover2
Flight Training - June 2019 - Contents
Flight Training - June 2019 - 2
Flight Training - June 2019 - 3
Flight Training - June 2019 - 4
Flight Training - June 2019 - 5
Flight Training - June 2019 - 6
Flight Training - June 2019 - 7
Flight Training - June 2019 - 8
Flight Training - June 2019 - 9
Flight Training - June 2019 - 10
Flight Training - June 2019 - 11
Flight Training - June 2019 - 12
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Flight Training - June 2019 - 15
Flight Training - June 2019 - 16
Flight Training - June 2019 - 17
Flight Training - June 2019 - 18
Flight Training - June 2019 - 19
Flight Training - June 2019 - 20
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Flight Training - June 2019 - 29
Flight Training - June 2019 - 30
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Flight Training - June 2019 - 35
Flight Training - June 2019 - 36
Flight Training - June 2019 - 37
Flight Training - June 2019 - 38
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Flight Training - June 2019 - 40
Flight Training - June 2019 - 41
Flight Training - June 2019 - 42
Flight Training - June 2019 - 43
Flight Training - June 2019 - 44
Flight Training - June 2019 - 45
Flight Training - June 2019 - 46
Flight Training - June 2019 - 47
Flight Training - June 2019 - 48
Flight Training - June 2019 - 49
Flight Training - June 2019 - 50
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Flight Training - June 2019 - 55
Flight Training - June 2019 - 56
Flight Training - June 2019 - Cover3
Flight Training - June 2019 - Cover4
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