uAvionix AV-30-C Service manual

UAV-1004045-001 AV-30-C ICA 1 Revision A
AV-30-C
Instructions for Continued
Airworthiness

UAV-1004045-001 AV-30-C ICA 2 Revision A
© 2020 uAvionix Corporation. All rights reserved.
Except as expressly provided herein, no part of this guide may be
reproduced, transmitted, disseminated, downloaded or stored in any
storage medium, for any purpose without the express written permission of
uAvionix. uAvionix grants permissions to download a single copy of this
guide onto an electronic storage medium to be viewed for personal use,
provided that the complete text of this copyright notice is retained.
Unauthorized commercial distribution of this manual or any revision hereto
is strictly prohibited.
uAvionix® and Ping® are registered trademarks of uAvionix Corporation
and may not be used without express permission of uAvionix.
skyBeacon, tailBeacon, Continuous Calibration, Power Transcoder, Echo
Installer, and Ping Installer are trademarks of uAvionix Corporation and
may not be used without express permission of uAvionix.
AV-30, AV-30-E, and AV-30-C are trademarks of uAvionix Corporation and
may not be used without express permission of uAvionix.
Patent uavionix.com/patents

UAV-1004045-001 AV-30-C ICA 3 Revision A
1 Revision History
Revision Date Comments
A 4/24/2020 Initial release

UAV-1004045-001 AV-30-C ICA 4 Revision A
2 Warnings / Disclaimers
All device operational procedures must be learned on the ground.
uAvionix is not liable for damages arising from the use or misuse of this
product.
This equipment is classified by the United States Department of
Commerce's Bureau of Industry and Security (BIS) as Export Control
Classification Number (ECCN) 7A994.
These items are controlled by the U.S. Government and authorized for
export only to the country of ultimate destination for use by the ultimate
consignee or end-user(s) herein identified. They may not be resold,
transferred, or otherwise disposed of, to any other country or to any
person other than the authorized ultimate consignee or end-user(s),
either in their original form or after being incorporated into other items,
without first obtaining approval from the U.S. government or as
otherwise authorized by U.S. law and regulations.

UAV-1004045-001 AV-30-C ICA 5 Revision A
3 Limited Warranty
uAvionix products are warranted to be free from defects in material and
workmanship for two years from the installation of the AV-30-C on the
aircraft. For the duration of the warranty period, uAvionix, at its sole
option, will repair or replace any product which fails in normal use. Such
repairs or replacement will be made at no charge to the customer for
parts or labor, provided that the customer shall be responsible for any
transportation cost.
Restrictions: This warranty does not apply to cosmetic damage,
consumable parts, damage caused by accident, abuse, misuse, water,
fire or flood, theft, damage caused by unauthorized servicing, or product
that has been modified or altered.
Disclaimer of Warranty: IN NO EVENT, SHALL UAVIONIX BE LIABLE
FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES, WHETHER RESULTING FROM THE USE, MISUSE OR
INABILITY TO USE THE PRODUCT OR FROM DEFECTS IN THE
PRODUCT. SOME STATES DO NOT ALLOW THE EXCLUSION OF
INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE
LIMITATIONS MAY NOT APPLY TO YOU.
Warranty Service: Warranty repair service shall be provided directly by
uAvionix. Proof of purchase for the product from uAvionix or authorized
reseller is required to obtain and better expedite warrant service.
Please email or call uAvionix support with a description of the problem
you are experiencing. Also, please provide the model, serial number,
shipping address and a daytime contact number.
You will be promptly contacted with further troubleshooting steps or
return instructions. It is recommended to use a shipping method with
tracking and insurance.

UAV-1004045-001 AV-30-C ICA 6 Revision A
4 Table of Contents
1 Revision History ................................................................................... 3
2 Warnings / Disclaimers ........................................................................ 4
3 Limited Warranty ................................................................................. 5
4 Table of Contents ................................................................................ 6
5 Introduction .......................................................................................... 8
5.1 Publications .................................................................................. 8
5.2 Revision and Distribution .............................................................. 8
6 System Description .............................................................................. 9
6.1 System Functions ....................................................................... 10
6.2 System Interconnects ................................................................. 11
7 Instructions for Continued Airworthiness ............................................ 12
7.1 Airworthiness Limitations ............................................................ 12
7.2 Test and Service Procedures ...................................................... 12
7.3 Installation, Removal and Trouble Shooting Procedures ............. 12
7.4 Test and Inspection Schedules ................................................... 13
7.5 On-Condition Servicing ............................................................... 13
7.6 Display Backlight Useful Life ....................................................... 13
7.7 Special Tools .............................................................................. 13
7.8 Visual Inspection Procedure ....................................................... 14
7.9 Altimeter Test and Calibration Procedure ................................... 15
7.9.1 Display Mode and Baro Setting ............................................. 15
7.9.2 Install Menu Activation .......................................................... 16
7.9.3 Accessing Install Menu .......................................................... 16
7.9.4 Applicable Install Menu Settings ............................................ 17
7.9.5 Altimeter Trimming ................................................................ 17
7.10 Battery Test and Replacement Procedure .................................. 18
7.10.1 Manual Load Test ................................................................. 18
7.10.2 Battery Replacement ............................................................. 19
8 Post-Installation Test Procedures ...................................................... 21

UAV-1004045-001 AV-30-C ICA 7 Revision A
9 Troubleshooting ................................................................................. 21
10 Return to Service Procedure.............................................................. 21
11 Maintenance Records ........................................................................ 21
12 Support .............................................................................................. 21
13 Appendix A – Installation Record ....................................................... 22

UAV-1004045-001 AV-30-C ICA 8 Revision A
5 Introduction
This document provides Instructions for Continued Airworthiness (ICA)
and Maintenance Manual (MM) for the AV-30-C. This document
satisfies the requirements for continued airworthiness as defined by 14
CFR 23.1529. Information in this document is required to maintain the
continued airworthiness of the AV-30-C.
5.1 Publications
When performing AV-30-C system maintenance it is required the
following documents are available.
Part Number uAvionix Document
D-0031-0 / UAV-1003947-001 AV-30-C, Installation Manual
D-0032-0 / UAV-1003946-001 AV-30-C, Pilots Guide
D-0044-0 / UAV-1004044-001 AV-30-C, Flight Manual Supplement
Owner/operators may obtain these documents at www.uavionix.com or
by contacting a uAvionix dealer.
5.2 Revision and Distribution
This document is required for maintaining the continued airworthiness
of the aircraft. When this document is revised, every page will be
revised to indicate current revision level.
Owner/operators may obtain the latest revision of this document at
www.uavionix.com or by contacting a uAvionix dealer. They may also
register for updates and support at www.uavionix.com.

UAV-1004045-001 AV-30-C ICA 9 Revision A
6 System Description
The AeroVonics AV-30-C is a fully digital multi-mode instrument that
mounts in the legacy 3 1/8” round instrument panel. It can be field
configured as either an Attitude Indicator (AI) or a Directional Gyro (DG)
indicator. It is fully self-contained with dual-precision inertial and
pressure sensors and allows for a wide variety of pilot customization.
When configured as an AI, primary attitude and slip are always
displayed. The un-used portions of the display area can be customized
by the pilot to show a variety of textual and graphical data-overlay fields.
Up to 3 pages may be customized by the pilot with a fourth dedicated
fully-decluttered page.
When configured as a Directional Gyro (DG), non-slaved direction of
flight information is presented. The non-slaved direction can be
manually adjusted by pilot input or may be optionally slaved to GPS
track.
Multiple display presentations, including compass rose, GPS HSI, and
GPS arc views can be selected by the pilot.
The un-used portions of the display area can similarly be configured for
a variety of textual data-overlays.
Reference the AV-30-C Pilots Guide for additional user interface and
functional information.

UAV-1004045-001 AV-30-C ICA 10 Revision A
6.1 System Functions
Primary Functions:
- Primary Attitude (AI Mode)
- Primary Slip (AI Mode)
- Primary Direction of Flight Indication (DG Mode)
Supplemental Functions:
- Indicated Airspeed
- Altitude
- V-Speeds
- Angle Of Attack
- Vertical Trend
- Vertical Speed
- Set Altitude
- Heading
- Bus Voltage
- G Load
- Outside Air Temp
- True Airspeed
- Density Altitude
- GPS Navigator / Waypoint Data
- GPS Navigator Nav Data
- GPS Navigator Route Line
- Heading Bug
Audio and Visual Alerting Functions:
- AoA Alerting
- G Limit Alerting
- Excessive Roll Alerting
Misc. Functions:
- Internal Battery Operation
- Auto / Manual Brightness

UAV-1004045-001 AV-30-C ICA 11 Revision A
6.2 System Interconnects
The following section describes each of the AV-30-C system
interconnects. Interfaces indicated as optional are not required in any
specific installation but will limit availability of some supplemental data
display if not connected.
AIRCRAFT STATIC
SYSTEM
2-AMP BREAKER
AIRCRAFT PITOT
SYSTEM
S
P
AIRCRAFT POWER
OPTIONAL OAT
PROBE
OPTIONAL GPS
NAVIGATOR
OPTIONAL
AUDIO PANEL
AV-20
AV-30-C
15 PIN DSUB FEMALE
(CABLE SIDE)
OPTIONAL AUTOPILOT
INTERFACE ADAPTER
All connections are provided on the single 15-Pin D-sub connector and
the two pneumatic fittings.

UAV-1004045-001 AV-30-C ICA 12 Revision A
7 Instructions for Continued Airworthiness
This section provides Instructions for Continued Airworthiness of the AV-
30-C system as installed under AML-STC and satisfies the requirements
for continued airworthiness as defined by 14 CFR Part 23.1529 and Part
23 Appendix G (Amendment 61).
7.1 Airworthiness Limitations
The Airworthiness Limitations section is FAA-approved and specifies
maintenance required under 14 CFR Part 43.16 and 14 CFR Part
91.403 of the Federal Aviation Regulations unless an alternative
program has been FAA-approved.
There are no new (or additional) airworthiness limitations associated
with this equipment and/or installation.
No component-level overhaul is required.
7.2 Test and Service Procedures
Utilize Section 7.8 - Visual Inspection Procedure of this document to
perform visual inspections when required.
Utilize Section 7.9.5 - Altimeter Test and Calibration Procedure of this
document to perform altimeter trimming when required.
Utilize Section 7.10 - Battery Test and Replacement Procedure of this
document to test and replace the battery when required.
The Altitude Trim procedure only applies when the AV-30-C is
configured as an Attitude Indicator. When configured as a Directional
Gyro, altitude is not displayable and therefore trimming is not
applicable.
7.3 Installation, Removal and Trouble Shooting Procedures
For other non-related instructions including removal, installation and
troubleshooting procedures of the unit, reference AV-30-C Installation
Manual.

UAV-1004045-001 AV-30-C ICA 13 Revision A
7.4 Test and Inspection Schedules
For VFR operations (Recommended, not required):
 Perform visual inspection every 12 calendar months.
 Perform altimeter calibration every 24 calendar months.
 Perform battery test every 24 calendar months.
For IFR operations (Required):
 Perform visual inspection every 12 calendar months.
 Perform altimeter calibration every 24 calendar months.
 Perform battery test every 24 calendar months.
 Replace battery every 5 years.
7.5 On-Condition Servicing
On Condition replacement and/or servicing may be required when
conditions, symptoms, and/or servicing should take place only after the
system is troubleshot based on guidance provided in this manual and
per common avionics maintenance practices.
7.6 Display Backlight Useful Life
The display backlight is rated for 50,000 hours, however degradation
of the display intensity is normal and will occur over time. The useful
life is dependent on operational conditions. Backlight replacement
may be required based on pilot discretion - the unit must be returned
to the factory for this service.
7.7 Special Tools
The following tools are needed to perform maintenance tasks.
 Ground power source (capable of supplying sufficient power to the
aircraft systems and avionics)
 Air Data Test Set
 Timer or stop-watch for battery capacity test

UAV-1004045-001 AV-30-C ICA 14 Revision A
7.8 Visual Inspection Procedure
Perform a visual inspection as detailed in this section.
 Inspect the unit and verify it is securely mounted.
 Inspect the unit fasteners and verify they are properly torqued (6
+/- 1 Inch LBS) and show no wear or damage.
 Inspect unit support structure and verify it is in good condition
and its integrity is not compromised.
 Inspect the condition of the wiring.
 Verify that all wiring and cables are securely fastened.
 Verify that the harness shows no signs of cracking, chafing,
abrasion, melting, or any other form of damage.
 Inspect unit connector and ground strap for corrosion, evidence
of moisture, or other defects.
 Inspect pneumatic connections and repair or replace those parts
that are defective (e.g., broken “B” nuts, cracked flare sleeves,
deteriorated flexible tubing, bad valves). Purge the system, if
necessary, to remove foreign matter that may have accumulated
in the tubing.
 Inspect display screen to ensure it is clean and free of debris. If
cleaning is required, utilize a soft cloth and glass cleaner. Do not
clean with alcohol-based solvents.
 Caution—Be sure to remove all pitot pressure and static air
connections to every instrument before purging the system
tubing.

UAV-1004045-001 AV-30-C ICA 15 Revision A
7.9 Altimeter Test and Calibration Procedure
Altimeter calibration must be done in accordance with 14 CFR Part
91.411 Altimeter system and altitude reporting equipment tests and
inspections.
User interface control and operation required to enter and navigate the
maintenance mode is provided here.
For a full description of the user interface, refer to document AV-30-C,
Pilots Guide.
7.9.1 Display Mode and Baro Setting
For these purposes, the user interface must be configured to show
altitude. If altitude is not configured for display, refer to AV-30-C
Pilots Guide for procedures to configure altitude to be shown.
The baro setting must be set to 29.92 for these tests.

UAV-1004045-001 AV-30-C ICA 16 Revision A
7.9.2 Install Menu Activation
The install menu allows for configuration changes and adjustments
that are not normally pilot accessible. To access the Install Menu,
ensure the unit is turned off. Press and hold the main control knob
while power is applied.
Push and Hold While Applying Power
Keep the knob pressed until the startup logo is shown. The Install
Menu will now be enabled for access.
7.9.3 Accessing Install Menu
To access the Install menu, press the Menu button until the INSTALL
menu is shown:

UAV-1004045-001 AV-30-C ICA 17 Revision A
Rotating the knob left and right will access the various parameters
that may be configured.
Pressing the knob when the desired field is shown will allow the
associated setting to be edited. The parameter and associated setting
will be shown in magenta while the editing mode is active:
Rotating the knob left and right changes the indicated value. After
adjustment, pressing the knob again will disable the editing mode but
the Install Menu will remain active.
Pressing DONE will exit the Install Menu.
7.9.4 Applicable Install Menu Settings
The Install Menu options and settings allow for various parameters to
be set and calibrated. Parameter settings that are not associated
with ongoing maintenance (operational modes, port settings, etc.)
must not be modified and maintained in accordance with the setting
definitions within AV-30-C Installation Manual.
7.9.5 Altimeter Trimming
Connect the pitot static test set and follow applicable calibration
procedures in accordance with 4 CFR Part 91.411. Trim the
indicated altitude as required.
Once complete, exit the Install Menu and turn power off. The altitude
trim setting will be stored in internal memory.

UAV-1004045-001 AV-30-C ICA 18 Revision A
7.10 Battery Test and Replacement Procedure
7.10.1 Manual Load Test
The following procedure is utilized to ensure the AV-30-C internal
battery meets minimum capacity for emergency operation.
A timer or stopwatch is required for this test procedure. This test is to
be performed in standard ambient conditions ranging from 40°F to
90°F.
1. Ensure the battery is fully charged (100% status and with no
charging indicator shown).
2. If battery is not fully charged, connect aircraft to ground-power,
turn the instrument on and allow full charge levels to be
obtained.
3. Set manual mode for display backlight and set to maximum
brightness.
4. Remove power to the unit by pulling the corresponding circuit
breaker. When power-down screen is displayed, press any
button to abort the shutdown sequence.
5. Start the timer and ensure the unit remains operating for 2
hours without shutting down.
6. If unit shuts-down occurs prior to the required time duration,
repeat the procedure ensuring full charge is obtained prior to
executing the test. If failure occurs on the second test cycle,
replacement of the battery is required.
7. To shut unit down when operating on battery, press both left
and right buttons together.

UAV-1004045-001 AV-30-C ICA 19 Revision A
7.10.2 Battery Replacement
The battery pack is located on the rear of the unit and housed in a
removable battery cover assembly.
The battery pack is wrapped in a thermal insulation blanket that
assists in maintaining internal thermal energy when operating at cold
temperatures. The existing thermal blanket is re-used.
Battery replacement consists of removing the battery cover, removal
and unwrapping of the old battery pack, re-wrapping the new battery
pack and re-assembly.
Ensure unit power is removed and unit is not operating under battery
power for this procedure.
Details steps as follows:
1. Remove the two battery cover hold-down screws.
Battery Cover Hold-Down Screws

UAV-1004045-001 AV-30-C ICA 20 Revision A
2. Remove the wrapped battery pack and pull gently on the
battery wires close to the connector to disconnect the battery
from the unit.
Keyed Battery
Connection
Thermal
Insulation
Heater
Connection
(Leave
Unconnected)
Pull to Disconnect
3. Un-wrap the old battery pack and do not discard the thermal
insulation.
4. Re-wrap the new battery pack and insert into the battery cover,
leaving the battery connection wires outside of the wrapping.
5. Locate the keyed side of the battery connector and press firmly
into the mating connector on the unit.
6. Tuck the battery wire into the battery cover while aligning the
battery cover to the rear of the unit – ensure the battery wires
are not caught or compressed between the battery cover and
the unit.
7. Replace the two battery cover hold-down screws and tighten
firmly.
8. Dispose of the old battery pack in accordance with local
regulatory requirements regarding Lipo battery disposal or
recycling.