SAE Update - February 2023 - 22

TECH FOCUS:
AerospAce
standards roulette: which one to
use for safety-critical software and
hardware development?
By TAMMY reeVe, Founder & CEO of
Patmos Engineering Services, Inc and
Airworthiness Certification Services LLCs.
For more details about her, read " About
the author " on the last page of this article.
For this year's Aerotech 2023 in March, I will
be presenting on a commercial aerospace
FAA and EASA harmonized published
guidance for airborne electronic hardware,
" What's new with Airborne Hardware Design
Assurance for Aviation? Newly released FAA
AC20-152A harmonized with EASA. "
This presentation focuses on accepted
means of compliance to the FAA and EASA
certification regulations for commercial
aircraft of all sizes, including propulsion. As
the title suggests, it will address hardware
aspects of these systems performing as
intended with a safety-critical level of
reliability.
So, what is reliability in a complex custom
hardware or software design? How does
one measure the error-free nature of a
custom design in a field programable gate
array (FPGA) or complex software program
used in critical functions of aircraft
operations? In answer to these questions,
many papers have been written.
Government (military and civil) have the
responsibility for keeping the public safe
and securing our safety. To do so, it relies on
22
February 2023
standards cover aircraft from stem to stern, including
electronics. shown is the Airbus A350 XWB cockpit
touchscreen.
industry standards to carry out the laws put
in place via legislation. Industry standards
are written by many organizations, SAE
being just one...albeit an important one. ISO,
ASTM, IEE, RTCA, and many others use
industry experts under working groups to
write best practices standards - many
times in cooperation with government
agencies - to ensure public safety in critical
aircraft, automotive, naval, nuclear, medical,
and other public services or potential
public-impacted areas of life.
Which standard is the one to use? What
do you do when there are competing
standards for demonstrating reliability of
hardware or software aspects of
certification of safety-critical systems?
Choosing the correct standard for the
industry you will be developing for is
UPDATE
Airbus

SAE Update - February 2023

Table of Contents for the Digital Edition of SAE Update - February 2023

SAE Update - February 2023 - Cov1
SAE Update - February 2023 - Cov2
SAE Update - February 2023 - 1
SAE Update - February 2023 - 2
SAE Update - February 2023 - 3
SAE Update - February 2023 - 4
SAE Update - February 2023 - 5
SAE Update - February 2023 - 6
SAE Update - February 2023 - 7
SAE Update - February 2023 - 8
SAE Update - February 2023 - 9
SAE Update - February 2023 - 10
SAE Update - February 2023 - 11
SAE Update - February 2023 - 12
SAE Update - February 2023 - 13
SAE Update - February 2023 - 14
SAE Update - February 2023 - 15
SAE Update - February 2023 - 16
SAE Update - February 2023 - 17
SAE Update - February 2023 - 18
SAE Update - February 2023 - 19
SAE Update - February 2023 - 20
SAE Update - February 2023 - 21
SAE Update - February 2023 - 22
SAE Update - February 2023 - 23
SAE Update - February 2023 - 24
SAE Update - February 2023 - 25
SAE Update - February 2023 - 26
SAE Update - February 2023 - 27
SAE Update - February 2023 - 28
SAE Update - February 2023 - 29
SAE Update - February 2023 - 30
SAE Update - February 2023 - 31
SAE Update - February 2023 - 32
SAE Update - February 2023 - 33
SAE Update - February 2023 - 34
SAE Update - February 2023 - 35
SAE Update - February 2023 - 36
SAE Update - February 2023 - 37
SAE Update - February 2023 - 38
SAE Update - February 2023 - 39
SAE Update - February 2023 - 40
SAE Update - February 2023 - 41
SAE Update - February 2023 - 42
SAE Update - February 2023 - 43
SAE Update - February 2023 - 44
SAE Update - February 2023 - 45
SAE Update - February 2023 - 46
SAE Update - February 2023 - 47
SAE Update - February 2023 - 48
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