Flight Training - July 2022 - 12

PREFLIGHT WHAT AM I?
BY JULIE SUMMERS WALKER
RAIN, RAIN BLOW AWAY
MOST GA AIRCRAFT DO NOT HAVE WINDSHIELD WIPERS
IN THE SLEEPY LITTLE TRUE-LIFE
movie Flash of Genius released in
2008, venerable actor-and public
benefit flying supporter-Greg
Kinnear plays inventor Robert
Kearns, who sued Ford Motor
Co. in early 1960 over the patent
for the intermittent windshield
wiper. The movie was one of the
answers to those odd questions
you ask yourself-especially when
you're driving through a vicious
rainstorm-who thought of this?
Commercial aircraft have
windshield wipers, but for the
most part, general aviation
aircraft do not. This is because
the air stream from the propeller
should blow the rain off the
windshield. If the rain is heavy
and it is accumulating, you are
below VFR minimums.
12
FLIGHT TRAINING JULY 2022
On an airliner, the wipers
serve to increase visibility as the
water runs over the nose cone,
especially on taxi, takeoff, and
landing. Once the airplane is in
flight, the wipers are turned off.
Most military jets also do not have
wipers mainly because of their
speeds but pilots use bleed air to
blow off rain, ice, or snow. Some
business jets also use bleed air.
Most aircraft windows are
acrylic plastic. Some pilots wax
their windshields with products
to help the rain bead up
and flow away, such as Rain-X
Plastic Water Repellent, but at
their own risk because it is not
recommended for acrylic sheet
products, such as windshields
or windows on many general
aviation aircraft. Rain-X helps
DID YOU KNOW?
Actor Greg Kinnear is a vocal
supporter of public benefit
flying-think Angel Flight or
LightHawk-and volunteers
annually to support the Endeavor
Awards, which recognize the
important work of those pilots who
volunteer their time and aircraft for
humanitarian reasons. Kinnear has repeatedly
vocalized his desire to learn to fly. The annual
Endeavor Awards are held in
May and recognize inspiring
pilots and volunteers.
improve visibility by repelling
rain, sleet, and snow.
Flying through a light
rainstorm can be meditative;
but storm clouds are warning
signs. Heed them and stay on the
ground. Let Kearns' invention
take care of you in your car.
julie.walker@aopa.org
CHRIS ROSE; IMDB

Flight Training - July 2022

Table of Contents for the Digital Edition of Flight Training - July 2022

Contents
Flight Training - July 2022 - Intro
Flight Training - July 2022 - Cover1
Flight Training - July 2022 - Cover2
Flight Training - July 2022 - Contents
Flight Training - July 2022 - 2
Flight Training - July 2022 - 3
Flight Training - July 2022 - 4
Flight Training - July 2022 - 5
Flight Training - July 2022 - 6
Flight Training - July 2022 - 7
Flight Training - July 2022 - 8
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Flight Training - July 2022 - 11
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Flight Training - July 2022 - Cover3
Flight Training - July 2022 - Cover4
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