The iBox is the heart of the iEFIS system, and the conductor in the symphony of communication between all system devices and the iEFIS screens. The iBox contains the GPS engine (with antenna connection), the pitot/static sensors and Angle of Attack sensors. The iBox is the hub of communication for all the system devices (AHRS, RDAC, Autopilot Servos) and is also the hub of communication with all third party devices (radios, transponders, ADS-B, VP-X) via its RS-232 and ARINC interfaces.

One iBox is necessary in every iEFIS system, and in cases where maximum redundancy is required, a 2nd iBox can be added to the system. The 2nd iBox acts as a ‘hot standby’ and is ready to take over all iBox tasks automatically when necessary, or on command by the pilot.



Click on the DB-25 connectors above to see more information on those connectors.

The Power Connector (pigtail harness included with every iBox):
The iBox can be powered by 1 or 2 Power Sources (as in the case of a backup battery system). It also has a Keep Alive Power input that maintains date and time and some non-volatile memory items without using the CR2032 battery, which can result in up to 10 years of life on the CR2032 eliminating the need to change this battery every year. The Outside Air Temp sensor also connects to the Power connector.

The CAN Connector (pigtail harness included with every iBox):
The iBox features 2 CAN buses (CAN 1 and CAN 2). The system devices can be split up in any way on each of the CAN buses.

OAT Probe
Our aluminum OAT probe is included with every iBox

GPS Antenna
Our tuned GPS Antenna is included with every iBox (inside mount)

EFIS LAN coax
An RG-174 EFIS LAN coax cable is included with each system
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Vega ASI-4 - MGL Avionics
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HomeVega Singles ASI-4
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ASI-4

$370.00 – $395.00

2 1/4″ Digital Air Speed Indicator

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SKU: VEGA-ASI-4 Category: Vega Singles
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Description

ASI-4 Airspeed Indicator

The ASI-4 is a 2 1/4” sunlight readable instrument that provides a wide range airspeed indication in both digital and analog tape formats. Airspeed is based on the pressure generated by a pitot tube system and a static port is provided as well for use in high speed aircraft. In addition, the ASI-4 provides a flight timer since takeoff and records the maximum airspeed reached.

Airspeed can be indicated in statute miles per hour (mph), kilometers per hour (km/h) or knots (kts). The analog airspeed tape can be scaled according to the aircraft’s flying speed range and ranges for Vs0, Vs1, Vfe, Vno and Vne can be set. The ASI-4 also provides a programmable Vs and Vne airspeed alarm output. ASI sensitivity can be calibrated by the user to cater for errors caused by pitot tube placement.

The ASI-4 instrument measures airspeed from 16mph to 250mph and is well suited to slower aircraft due to very good sensitivity and linearity at low air speeds.

  • Measures airspeed from 16mph to 250mph and is well suited to slow aircraft due to very good sensitivity and linearity at low air speeds
  • Includes a flight timer since takeoff
  • Airspeed units can be set to miles per hour (mph), kilometer per hour (km/h) or knots (kts)
  • Analog tape with programmable ranges for Vs0, Vs1, Vfe, Vno and Vne 
  • Contains a programmable Vs and Vne airspeed alarm output
  • Records maximum airspeed reached in permanent memory
Additional information
Power Specs

Voltage Input: 8-30 Volts DC with Over Voltage and Reverse Polarity Protection
Current Draw (13.8V): 73mA Backlight High, 33mA Backlight Low

Screen

Size: 1.8"
Resolution: 160×128
Backlight: 1000 cd/m2 brightness, sunlight readable LED backlight

Physical Specs

Unit Size: 60mm x 60mm x 68mm
Fits in: 2 1/4" Instrument Cutout
Weight: 120 grams (excluding wiring)

Brand

MGL Avionics

Version

Normal Speed (20-250mph), High Speed (20-320mph)

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ASI-4 Manuals
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ASI-4 Installation Manual

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Vega/Blaze Firmware Update Manual

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