Avionics News March 2015 - 33

LEFT: Proper application is key to ensuring a CPC will do its
intended job. A small paint brush or cotton swab is good
for circuit boards. Apply the CPC to the solder joints on the
backside of the board.
ABOVE: Spraying straight out of the can works well for areas
requiring more saturation, such as inside plugs and connectors.

there's also corrosion forming among the avionics.
plays, to cranky autopilots and a lot more. Some aircraft types
The primary difference between avionics and airframe corroare more prone to these issues than others.
sion is that a small amount of corrosion on avionics, connectors,
"King Airs, in particular, have a lot of bulkhead disconnects
switches or plugs can cause anything from an annoying intermitin the front, outside the pressure vessel, Haskell said. "When we
tent malfunction to a complete unit failsee an autopilot issue, a lot of times we'll
ure, while the same amount of airframe
start our troubleshooting at these connecconnec
I F YO U SE E
corrosion has little, if any, effect.
tors. There are three or four of them up
"The problem with corrosion on avithere, and you can bet one of them will
CO RRO SI O N
onics is that, in most cases, unless you
have corrosion all over it."
B E GI NNI NG ON
are specifically trained to look for it, it's
TH E A I RFRA ME ,
very difficult to find," Knight said. "Air"Air
Corrosion: Not just a problem
frame corrosion is easy to spot, while
on older avionics
avionics corrosion is normally down inIt wasn't too long ago that technicians
side a connector or the actual unit itself."
used an aircraft's age as a predeterminer
Chris Haskell, facilities manager for
of whether or not corrosion was a prime
Kings Avionics' Las Vegas shop, said he
suspect in their troubleshooting investiinvesti
can spot an airplane from Northern Caligations.
fornia or Oregon by the corrosion build"The older analog avionics have a
up, and even the tiniest bit can cause
lot more internal components - springs,
troubleshooters a lot of problems.
leads, wires, contact points and soldered
"I've seen corrosion get in there and cause intermittent isjoints - than newer digital units," Haskell said. "Just the nature
sues that create some really strange problems with the avionof the unit's design make it more prone to corrosion buildup, and
ics," he said. "It's a big cause of troubleshooting issues, and that,
the analog units are usually much older than the digital units."
of course, means we have higher bills for the customers. That's
While this is true, it doesn't mean the new digital units are
never a good thing."
immune to corrosion-related issues.
Haskell said he's seen corrosion be the culprit at the core of
everything from intermittent COMs, to fluctuating engine disContinued on following page

IT'S A GOOD BET
THERE'S ALSO
CORROSION
FORMING AMONG
THE AVIONICS.

avionics news

*

march

2015

33



Avionics News March 2015

Table of Contents for the Digital Edition of Avionics News March 2015

Point of Communication
AEA Now
The View from Washington
International News and Regulatory Updates
'Cell'-ular Changes
Member Profile
NextGen Connection
Avionics Corrosion Control
Member Profile
AEA Convention Information
Business Basics
What's Working?
Aviation Insurance 101
Legal Ease
A Conversation With...
Best Advice
Aviation Aces
Honoring our Heroes
What's New
Before & After
Marketplace Classifieds
Avionics News March 2015 - Intro
Avionics News March 2015 - Cover1
Avionics News March 2015 - Cover2
Avionics News March 2015 - 1
Avionics News March 2015 - 2
Avionics News March 2015 - 3
Avionics News March 2015 - Point of Communication
Avionics News March 2015 - 5
Avionics News March 2015 - AEA Now
Avionics News March 2015 - 7
Avionics News March 2015 - 8
Avionics News March 2015 - 9
Avionics News March 2015 - 10
Avionics News March 2015 - 11
Avionics News March 2015 - The View from Washington
Avionics News March 2015 - 13
Avionics News March 2015 - International News and Regulatory Updates
Avionics News March 2015 - 15
Avionics News March 2015 - 16
Avionics News March 2015 - 17
Avionics News March 2015 - 'Cell'-ular Changes
Avionics News March 2015 - 19
Avionics News March 2015 - 20
Avionics News March 2015 - 21
Avionics News March 2015 - Member Profile
Avionics News March 2015 - 23
Avionics News March 2015 - 24
Avionics News March 2015 - 25
Avionics News March 2015 - NextGen Connection
Avionics News March 2015 - 27
Avionics News March 2015 - 28
Avionics News March 2015 - 29
Avionics News March 2015 - 30
Avionics News March 2015 - 31
Avionics News March 2015 - Avionics Corrosion Control
Avionics News March 2015 - 33
Avionics News March 2015 - 34
Avionics News March 2015 - 35
Avionics News March 2015 - 36
Avionics News March 2015 - 37
Avionics News March 2015 - Member Profile
Avionics News March 2015 - 39
Avionics News March 2015 - 40
Avionics News March 2015 - 41
Avionics News March 2015 - 42
Avionics News March 2015 - AEA Convention Information
Avionics News March 2015 - 44
Avionics News March 2015 - 45
Avionics News March 2015 - 46
Avionics News March 2015 - 47
Avionics News March 2015 - 48
Avionics News March 2015 - 49
Avionics News March 2015 - 50
Avionics News March 2015 - 51
Avionics News March 2015 - Business Basics
Avionics News March 2015 - 53
Avionics News March 2015 - 54
Avionics News March 2015 - 55
Avionics News March 2015 - What's Working?
Avionics News March 2015 - 57
Avionics News March 2015 - 58
Avionics News March 2015 - 59
Avionics News March 2015 - Aviation Insurance 101
Avionics News March 2015 - 61
Avionics News March 2015 - Legal Ease
Avionics News March 2015 - 63
Avionics News March 2015 - 64
Avionics News March 2015 - 65
Avionics News March 2015 - A Conversation With...
Avionics News March 2015 - 67
Avionics News March 2015 - Best Advice
Avionics News March 2015 - 69
Avionics News March 2015 - 70
Avionics News March 2015 - 71
Avionics News March 2015 - Aviation Aces
Avionics News March 2015 - 73
Avionics News March 2015 - 74
Avionics News March 2015 - 75
Avionics News March 2015 - Honoring our Heroes
Avionics News March 2015 - 77
Avionics News March 2015 - 78
Avionics News March 2015 - 79
Avionics News March 2015 - What's New
Avionics News March 2015 - 81
Avionics News March 2015 - 82
Avionics News March 2015 - 83
Avionics News March 2015 - 84
Avionics News March 2015 - Before & After
Avionics News March 2015 - Marketplace Classifieds
Avionics News March 2015 - 87
Avionics News March 2015 - 88
Avionics News March 2015 - Cover3
Avionics News March 2015 - Cover4
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