SkyGuardTWX Vision-Pro Plus User manual

08/01/2015

SkyGuardTWX “Vision-Pro Plus”978mhz UAT/ES ADS-B

Transceiver

Installation and Operation Manual

(for use when remote installing in Experimental or LSA Aircraft)

Part Number: UAT1000-EX

FCC ID: R83UAT1000

Business Address: SkyGuardTWX, LLC

208 Sunday Drive

Burnet, Texas 87611

Phone Number: 512-784-7766

Email Address: Don@SkyGuardTWX.com

WEB Site: www.SkyGuardTWX.com

Document History

Revision Date Comments

1.0

03/01/2015

Initial Release

1.1

08/01/2015

Updated specs. for new GPS

08/01/2015

Table of Contents

1.0 System Description ......................................................................................... 04

1.1 Reference Documents ..................................................................................... 05

1.2 Regulatory Compliance .................................................................................. 06

1.2.1 TSO ................................................................................................................. 06

1.2.2 TSO Authorization .......................................................................................... 06

1.2.3 FCC Grant of Equipment Authorization ......................................................... 06

2.0 Installation Limitations ................................................................................... 07

2.1 Surveillance Services ...................................................................................... 07

2.2 Flight Manual Supplement .............................................................................. 08

2.3 Other Considerations ....................................................................................... 08

3.0 Equipment Installation .................................................................................... 09

3.1 Package Contents ............................................................................................. 09

3.2 Overall Specifications ...................................................................................... 10

3.3 System Interfaces ............................................................................................. 11

3.4 Antenna Requirements/Installation .................................................................. 11

3.5 Temperature/Air Flow Requirements ............................................................... 12

3.6 Installation Mounting ........................................................................................ 12

3.7 Electrical Connections ...................................................................................... 15

3.7.1 Power Connections ........................................................................................... 16

3.7.2 Display Connections ......................................................................................... 16

3.7.3 Transponder Connections .................................................................................. 17

3.7.4 Annunciator Light Connections ........................................................................ 17

4.0 Initial Configuration Programming ................................................................... 18

5.0 Post Installation Verification ............................................................................. 19

5.1 Transceiver DC Power Verification .................................................................. 19

5.2 GPS Verification ................................................................................................20

5.3 Pressure Altitude Encoder Verification ............................................................. 20

5.4 UAT Transmitter Verification ........................................................................... 20

5.5 UAT Receiver Verification ................................................................................20

5.6 Annunciator Light Verification ......................................................................... 20

6.0 Weight and Balance ........................................................................................... 21

7.0 Inflight Operation .............................................................................................. 21

8.0 Maintenance ...................................................................................................... 22

8.1 Altitude Source .................................................................................................. 22

8.2 Calibration ......................................................................................................... 22

8.3 Cleaning ............................................................................................................. 22

8.4 Tune-Up ............................................................................................................. 22

9.0 Warnings and Disclaimers ................................................................................. 23

08/01/2015

1.0 System Description

This Transceiver is a fully integrated 978mhz UAT ADS-B radio transceiver

along with a WAAS GPS (non-certified version) and WiFi transmitter. The main unit

also contains circuitry to interface with a panel mounted display and a Mode A/C/S

transponder. Additionally, there are 2 RF receiver channels (one at 978mhz and one at

1090mhz) that allow receipt of FIS-B and TIS-B messages from ADS-B ground station

towers as well as ADS-B traffic messages from direct air-to-air aircraft. The non-TSO’d

version of this transceiver (P/N: UAT1000-EX) contains an internal non-certified GPS

position source but will “meet the performance requirements of TSO-C154c” when

installed in an Experimental or LSA aircraft. This new FAA rule change was enacted on

February 9, 2015 by changes to: 14 CFR 91.225 section b.1.ii. When installing in an

LSA, a letter of authorization is required from the LSA manufacturer.

The unit is intended to be permanently installed and connected to aircraft power through

a fused/switched dedicated power connection to the aircraft avionics power bus.

The unit will operate utilizing a DC power source ranging from +10 volts to +30 volts

with a minimum of 3 amps of current.

There are 6 antennas connections (1- 978mhz for UAT transmitter, 1- 978mhz for UAT

receiver, 1- 1090mhz for 1090ES receiver, 1- for GPS antenna, 1 –for WiFi transmitter,

and 1- for Interrogator antenna). All antennas (except GPS, WiFi and Interrogator) are

intended to be mounted externally on the belly of the aircraft. The Transceiver installer

will be responsible for purchasing the required external antennas and RF coax cables.

See Figure 1 for system block diagram:

Figure 1: System Block Diagram

08/01/2015

1.1 Reference Documents

RTCA/DO-282B

RTCA Document. Minimum Operational

Performance Standards for Universal Access

Transceiver (UAT) Automatic Dependent

Surveillance –Broadcast (ADS-B)

RTCA/DO-160F

RTCA Document. Environmental Conditions and

Test Procedures for Airborne Equipment.

TSO-C154c

Technical Standard Order Universal Access

Transceiver (UAT) Automatic Dependent

Surveillance-Broadcast (ADS-B) Equipment

Operating on Frequency of 978MHz

TSO-C145c

Technical Standard Order for Airborne

Navigation Sensors Using The Global Positioning

System (GPS) Augmented By The Satellite Based

Augmentation System (SBAS)

AC 20-165A

Airworthiness Approval of Automatic Dependent

Surveillance-Broadcast (ADS-B) Out Systems

AC 20-138B

Airworthiness Approval of Global Navigation

Satellite Systems (GNSS) Equipment

TSO-C190

Technical Standard Order for Active Airborne

Global Navigation Satellite System (GNSS)

Antenna

91.225 Equipment, Instrument, and Certificate

Requirements

91.227 ADS-B Equipment Performance Requirements

08/01/2015

1.2 Regulatory Compliance

1.2.1 TSO

SkyGuardTWX

Transceiver Part Numbers:

TSO-C154c

Universal Access Transceiver

(UAT) Automatic Dependent

Surveillance-Broadcast (ADS-

B) Equipment Operating on

Frequency of 978MHz. Unit

“meets the performance

requirements of TSO-C154c”

when installed in Experimental

or LSA aircraft per FAA rule

change enacted on February 9,

2015.

UAT1000-EX

1.2.2

Function

TSO

Minimum

Performance

Standard

Software

RTCA/DO-

178B

Hardware

RTCA/DO-254

Environmental

UAT Transceiver

TSO-C154c

Class B1S

RTCA/DO-282B

Level C

RTCA/DO-160F

GPS/WAAS

Receiver

Non-TSO’d

RTCA/DO-160F

1.2.3 FCC Grant of Equipment Authorization

This equipment has been issued an FCC Grant of Equipment Authorization.

The FCC ID is: R83UAT1000 and is also marked on the equipment nameplate.

08/01/2015

2.0 Installation Limitations

The conditions and tests required for TSO approval of this article are minimum performance

standards. Those installing this article, on or in an Experimental or LSA type class of aircraft,

must determine that the aircraft installation conditions are within the TSO standards. TSO

articles must have separate approval for installation in an aircraft. The article may be

installed only according to 14 CFR part 43 or the applicable airworthiness requirements.

The article must be installed according to AC 20-165 applicable airworthiness requirements.

A “letter of conformance” from SkyGuardTWX LLC stating that the unit “meets the

performance requirements of TSO-C154c” is required.

The UAT Receiver Antenna MUST be installed no less than 4 feet from any L-Band

(Transponder, TCAS, TAS) antenna.

The UAT Receiver Antenna MUST be installed no less than 4 feet from any Distance

Measuring Equipment (DME) antenna.

The UAT Receiver Antenna MUST be installed no less than 2 feet from the UAT Transmitter

antenna.

The UAT Transmitter Antenna MUST be installed no less than 4 feet from any Distance

Measuring Equipment (DME) antenna.

The UAT Transmitter Antenna MUST be installed no less than 4 feet from any Comm. Radio

Antenna.

The 1090mhz Receiver Antenna MUST be installed no less than 2 feet from the UAT

Transmitter antenna and no less than 3 feet from any L-Band (Transponder, TCAS, TAS)

antenna.

The Transponder interrogator antenna can be no closer than 4 feet from your Mode C

Transponder antenna.

Failure to adhere to these critical installation notes could result in failure of the Transceiver

and/or other radio equipment in said aircraft and will void your warranty.

2.1 ATC Surveillance Services

Air Traffic Control (ATC) Surveillance Services are accomplished through the UAT data link

technology. To use these services there must be a “single point of entry”for the ATC

assigned squawk code. A single point of entry allows the squawk code to be transmitted by

both the onboard Transponder as well as the SkyGuardTWX UAT Transceiver. The

SkyGuardTWX UAT Transceiver supports the following control panel interfaces for

acquiring an ATC assigned squawk code:

Compatible Transponders may be configured to act as a control panel for the SkyGuardTWX ADS-B

UAT Transceiver. These transponders are: GTX™ 320, GTX™ 327, GTX™ 330, King KT76, Narco,

Tera. Other Transponders may also be used but have not been tested with the SkyGuardTWX

Transceiver.

08/01/2015

2.2 Flight Manual Supplement

The Aircraft Flight Manual Supplement for installations of the SkyGuardTWX UAT

Transceiver must include the following operational limitations:

When the transceiver is set to Standby or OFF the transceiver stops transmitting ADS-B messages after a

time period of 2 seconds. The ADS-B ground stations only transmit Traffic Information Services –

Broadcast (TIS-B) and ADS-Rebroadcast (ADS-R) messages to participating aircraft. Participating aircraft

are identified as aircraft transmitting ADS-B messages. When the transceiver is set to Standby or OFF the

ADS-B transceiver no longer receives TIS-B and ADS-R messages from the ADS-B ground stations that

were specifically generated for a unique transmitting aircraft because that aircraft is not participating in the

ADS-B surveillance system.

For all installations that include a traffic display, the following must be included in the Flight

Manual Supplement:

“Caution: Traffic shown on the display may or may not have traffic alerting available.”

For all installations that do not contain an aircraft Transponder, the following must be

included in the Flight Manual Supplement:

“ATC assigned squawk codes may be entered into the ADS-B radio manually. This is

accomplished using a dedicated control head or using a software app. capable of

communicating with the ADS-B radio. Once such app. for the Apple iPad/iPhone is

SkyGuardTWX which is available for free download from the Apple Store.”

The Vision-Pro Plus transceivers have a squawk detector circuit to retrieve the Mode C

Transponder squawk code and pressure altitude code.

2.3 Other Considerations

The SkyGuardTWX Transceiver is used as an aid to visual acquisition of traffic and weather

and it is to be used only for pilot and crew situational awareness.

The SkyGuardTWX Transceiver does not relieve the flight crew of seeing and avoiding

traffic, obstacles, and weather. Installation of the SkyGuardTWX Transceiver does not

relieve the pilot of consulting approved data sources prior to and during each flight.

The SkyGuardTWX Transceiver is not a collision avoidance device. Any deviation from

ATC clearance, given cockpit information derived from the SkyGuardTWX Transceiver,

must be approved by ATC.

The SkyGuardTWX Transceiver is a Universal Access Transceiver (UAT) that interfaces

with MFDs, CDTIs and/or EFISs to display ADS-B, ADS-R, TIS-B and FIS-B products. It is

the responsibility of the display manufacturer to render or not render these products.

The SkyGuardTWX Transceiver receives ADS-R, TIS-B and FIS-B products from ADS-B

ground based radio stations. The content, or lack of content, in the product offerings is the

responsibility of the FAA.

08/01/2015

3.0 Equipment Installation

3.1 Package Contents

SkyGuardTWX Transceiver ADS-B radio unit

DC Power connector plug

Interrogator antenna

1090 mhz receiver antenna (for use when no belly mounted antenna is installed)

WiFi antenna

GPS antenna

Mounting bracket

Installation manual

(no external antennas are included)

3.2 Specifications

This section includes the physical, environmental, electrical, and performance specifications for

the SkyGuardTWX UAT ADS-B Transceiver.

Physical:

Height:

1.920 inches (includes mounting bracket)

Width:

4.600 inches (includes mounting bracket)

Length:

9.300 inches (includes mounted antennas)

Weight:

1.4 lbs (excluding antenna cables and power cable)

Environmental:

The SkyGuardTWX ADS-B Transceiver is designed and tested to meet the categories as defined in RTCA/DO-

160F:

Operating temperature:

-20°C to +55°C

Storage temperature:

-55°C to +85°C

Temperature variation:

5°C per minute

Humidity:

95% at 50°C

Maximum continuous altitude:

25,000 feet

External Cooling:

Not required

Electrical:

Voltage:

10-30VDC

Input Current (5W nominal):

Steady State: 0.3A @ 13VDC, 0.25A @ 28VDC

Transmit Peak: 2.5A @ 13VDC, 2.4A @28VDC

08/01/2015

UAT Performance:

TSO Compliance:

TSO-C154c

Regulatory:

RTCA/DO-282B

Frequency:

978MHz

Tolerance:

+/- 20ppm

Data Rate:

1.04167 Mbps

Receiver Sensitivity:

Exceeds 90%MSR@-91dBm

Transmit Power:

30W nominal

Equipment Class:

B1S (single bottom UAT antenna)

Uncertified Internal GPS/WAAS Receiver Performance

(P/N: UAT1000-EX)

Number of channels:

50 (SBAS, WAAS, RAIM)

Frequency:

1575.42MHz L1

Sensitivity (Tracking Mode):

-162dBm

Sensitivity (Reacquisition Mode):

-160dBm

TTFF Hot (valid almanac, position, time and

ephemeris):

1 second (average)

TTFF Warm (valid almanac, position and time):

< 30 seconds (average)

TTFF Cold (valid almanac):

< 60 seconds (average)

Reacquisition (<10seconds obstruction):

0.1seconds (average)

Position Update Interval:

5 Hz

Velocity:

1,000 m/s maximum @ 60,000 ft MSL

Datum:

WGS-84

Avionics Interfaces:

(DB 9 I/O Connector)

Annunciator Output:

Transponder Squawk Code input:

Capable of driving a +5 VDC LED lamp

Wireless from aircraft Mode A/C/S Transponder

Pressure Altitude Encoder Input:

Wireless from aircraft Mode C/S Transponder

Display/Control Input/Output (optional):

RS232 asynchronous serial at 460,800 Baud

Table of contents

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