Avionics News August 2014 - 53

Photo by Dave Higdon, PhotoProse Productions

indicators and stall-warning systems - or they were put
off by these systems' costs.
Beyond the lower costs of the new systems available
under F3011-13, the new AoA systems make up for the
shortcomings of ASI and stall-avoidance alarms - and
the differences in usefulness factor into their embrace in
coming safety campaigns planned by authorities to try to
counter an alarming rise in loss-of-control accidents in
general aviation.
Pilots previously trained in an environment that
accentuates the AoA system for stall avoidance expect
to see AoA systems as an element in pending efforts to
reduce LOC accidents.
AoA systems adjust for variations in bank angle,
approach attitude and density altitude in ways that make
them a more-accurate tool for avoiding unintended stall
or simply flying at an incorrect attitude for the situation.

BendixKing's KLR 10 angle-of-attack

Expect to see more ways the Part 23 rewrite and
ASTM standards are bringing today's standard
capabilities at costs lower than ever before - using
ASTM standards as the springboard to the Part 23
compliance.
In the interim, the safety push building on these new AoA
systems opens a new market to repair shops and installers to
help their customers benefit from these new tools.
The old-familiar in a new-less-expensive form
Turbine-powered aircraft crews generally know the
benefits of an AoA system; ditto for military-trained
aviators who start using AoA systems at the start of their
training.
Despite the pilot numbers such backgrounds portent,
an AoA system remains a relative rarity in the majority
of general aviation aircraft. Systems compatible with the
budgets of thousands of piston-single and piston-twin aircraft
have largely been nonexistent, particularly compared to the
simplicity and low cost of stall-warning systems.
Where options existed, a large body of pilots generally
failed to recognize or embrace the significance of the
functional differences between AoA systems, airspeed

LOC: They come in many forms
In early May, the NTSB played host to a seminar
highlighting lessons learned from its investigations of
general aviation accidents involving aerodynamic stalls
and loss of control. The catalyst to the seminar was the
trend in accidents attributed to "loss of control in flight"
- today's most-common defining event in fatal crashes
among the personal flying sector of general aviation.
These accidents account for approximately 40 percent
of GA fatalities.
"We are not on the path to safety that we would like
to have," said Bill Schinstock, manager of regulations
and policy for the FAA's Small Airplane Directorate,
during the Aircraft Electronics Association International
Convention & Trade Show in March. "We're looking for
ways to improve safety without increasing the cost and
burden of compliance. That's why we're looking at the
ASTM standards."
Loss-of-control accidents as a group envelop a range
of catalysts: landing long and overrun the runway; land
badly in a crosswind, depart the runway; and ground
loop on touchdown.
The worst outcomes typically accompany LOC
accidents involving pattern work, arrival legs, takeoff
climb, missed-approach climbs and rejected-landing
climb-out. All are loss-of-control accidents and heavily
dosed with pilots struggling with their pitch control. A
little too slow, a little too low, and you're left with too
Continued on following page
avionics news

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august

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Avionics News August 2014

Table of Contents for the Digital Edition of Avionics News August 2014

Point of Communication
AEA Now
The View From Washington
International News and Regulatory Updates
Beltway Briefing
Advancing Cordless Cockpits
Member Profile
Building from the Baseline
A Conversation With...
Member Profile
Choosing a shcool
Digital Data
Business Basics
Industry Professionalism
Safety product prospects
Garmin introduces Connext Cockpit Connectivity
AEA announces scholarship winners for 2014-15
AEA Educational Foundation scholarship list for the 2015-16
What's New
Marketplace Classifieds
Avionics News August 2014 - Intro
Avionics News August 2014 - Cover1
Avionics News August 2014 - Cover2
Avionics News August 2014 - 1
Avionics News August 2014 - 2
Avionics News August 2014 - 3
Avionics News August 2014 - Point of Communication
Avionics News August 2014 - 5
Avionics News August 2014 - AEA Now
Avionics News August 2014 - 7
Avionics News August 2014 - 8
Avionics News August 2014 - 9
Avionics News August 2014 - 10
Avionics News August 2014 - 11
Avionics News August 2014 - 12
Avionics News August 2014 - 13
Avionics News August 2014 - The View From Washington
Avionics News August 2014 - 15
Avionics News August 2014 - International News and Regulatory Updates
Avionics News August 2014 - 17
Avionics News August 2014 - 18
Avionics News August 2014 - Beltway Briefing
Avionics News August 2014 - Advancing Cordless Cockpits
Avionics News August 2014 - 21
Avionics News August 2014 - 22
Avionics News August 2014 - 23
Avionics News August 2014 - Member Profile
Avionics News August 2014 - 25
Avionics News August 2014 - 26
Avionics News August 2014 - 27
Avionics News August 2014 - Building from the Baseline
Avionics News August 2014 - 29
Avionics News August 2014 - 30
Avionics News August 2014 - 31
Avionics News August 2014 - A Conversation With...
Avionics News August 2014 - 33
Avionics News August 2014 - Member Profile
Avionics News August 2014 - 35
Avionics News August 2014 - 36
Avionics News August 2014 - 37
Avionics News August 2014 - Choosing a shcool
Avionics News August 2014 - 39
Avionics News August 2014 - 40
Avionics News August 2014 - 41
Avionics News August 2014 - Digital Data
Avionics News August 2014 - 43
Avionics News August 2014 - 44
Avionics News August 2014 - 45
Avionics News August 2014 - Business Basics
Avionics News August 2014 - 47
Avionics News August 2014 - 48
Avionics News August 2014 - 49
Avionics News August 2014 - Industry Professionalism
Avionics News August 2014 - 51
Avionics News August 2014 - Safety product prospects
Avionics News August 2014 - 53
Avionics News August 2014 - 54
Avionics News August 2014 - 55
Avionics News August 2014 - Garmin introduces Connext Cockpit Connectivity
Avionics News August 2014 - 57
Avionics News August 2014 - AEA announces scholarship winners for 2014-15
Avionics News August 2014 - 59
Avionics News August 2014 - 60
Avionics News August 2014 - 61
Avionics News August 2014 - 62
Avionics News August 2014 - 63
Avionics News August 2014 - AEA Educational Foundation scholarship list for the 2015-16
Avionics News August 2014 - 65
Avionics News August 2014 - What's New
Avionics News August 2014 - 67
Avionics News August 2014 - 68
Avionics News August 2014 - 69
Avionics News August 2014 - Marketplace Classifieds
Avionics News August 2014 - 71
Avionics News August 2014 - 72
Avionics News August 2014 - Cover3
Avionics News August 2014 - Cover4
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