The MGL Stratomaster Velocity Range

The Stratomaster Velocity range consists of sixteen 3 1/8" microprocessor based instruments.

Please Click Here for the dimensions pdf

Using a custom made, high resolution graphics display, these instrument provide excellent daylight readability, even in direct sunlight. In addition they all have built in backlighting making them easy to read at night time.

All have a rotary control plus 2 independent keys for easy menu navigation and to access specific instrument features.

The Velocity range also has a wide supply voltage range of 8 to 30V DC with built in reverse and over voltage protection.

ALL VELOCITY DISPLAYS ARE BLACK ON GREEN. Black and white computer generated images used below are not representative of the true screen colour.

Velocity Range Standard Features

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* Black on Green backlit graphic LCD with adjustable contrast

* Standard 3 1/8” aircraft enclosure (Can be front or rear mounted)

*Rotary control plus 2 independent buttons for easy menu navigation and user input

*Alarm output as well as a red LED illuminates for alarm notification

*Multiple display screens (model dependent)

*On-board voltage reversal and over voltage protection for harsh electrical environments

*Wide supply voltage range (8 to 30V DC)

*Light weight design

*Field upgradeable firmware

*1 year limited warranty

Velocity ALT-3 Altimeter and VSI

Precision aviation altimeter and Vertical Speed Indicator

Precision altimeter from –700 ft up to a maximum of 30 000 ft (-213m to 9144m)

The altimeter can display altitude in feet or metres, local pressure can be set in millibars or inches of mercury

Contains a wide range VSI indicator from +/-20 ft/min to as high as +/-10 000 ft/min

VSI units can be in feet/minute (ft/min) or in metres/second (m/s)

Records the maximum and minimum OAT (outside air temperature) and maximum altitude reached in permanent memory

Records maximum and minimum OAT in temporary memory since instrument power-up



Please Click Here For the product manual.

Velocity ALT 4 Encoding Altimeter with VSI

Encoding aviation altimeter with a transponder compatible Serial RS232 & Parallel Gillham code output.


Precision altimeter from –700 ft up to a maximum of 30 000 ft (-213m to 9144m)

Built in encoder test functions

The altimeter can display altitude in feet or metres, local pressure can be set in millibars or inches of mercury

Contains a wide range VSI indicator from +/-20 ft/min to as high as +/-10 000 ft/min

VSI units can be in feet/minute (ft/min) or in meters/second (m/s)

Records the maximum and minimum OAT (outside air temperature) and maximum altitude reached in permanent memory

Records maximum and minimum OAT in temporary memory since instrument power up


Please Click Here for the Product Manual pdf.

Velocity ASI 3 Airspeed Indicator

Airspeed Indicator with automatic flight log

Measure 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 24 entry automatic flight log

Includes an air-distance trip counter and a flight timer

Airspeed units can be set to miles per hour (mph), kilometer per hour (km/h) or nautical miles per hour (knots)

Contains a programmable low/high airspeed alarm

Records maximum airspeed reached in permanent memory

Analogue bar graph indicating airspeed with markers for Vs, Vf, Vno and Vne


Please Click Here for the Product Manual pdf

Velocity ASX 2 Combined Altimeter and Airspeed Indicator

Encoding aviation altimeter with serial output and airspeed Indicator (ASI

Precision altimeter from –700 ft up to a maximum of 30 000 ft (-213m to 9144m)

Provides a parallel Gillham code interface for transponders when used in combination with the MGL Avionics CNV-AT

The altimeter can display altitude in feet or metres. Local pressure can be set in millibars or inches of mercury

Airspeed ranges from 16 to 250mph and is well suited to slow aircraft due to very good sensitivity and linearity at low air speeds. Airspeed can be displayed as IAS or a calculation based TAS

Includes a 24 entry automatic flight log

Includes an air-distance trip counter and a flight timer

Airspeed units can be in miles per hour (mph), kilometer per hour (km/h) or nautical miles per hour (knots)

Contains a programmable low/high airspeed alarm

Records maximum airspeed and altitude reached in permanent memory


Please Click Here for the Product Manual pdf

Velocity E1 Universal Engine Monitor

The E-1 universal engine monitor combines in one compact 3.125”/ 80mm format instrument, all that is needed to monitor the majority of smaller aircraft engines from two-stroke engines to medium sized four strokes such as those from Rotax, Continental and Lycoming. Most automotive engine conversions can also benefit from the use of the E-1 engine monitor.


The E-1 can measure up to 4 EGT/CHT channels, a universal RPM input, a universal temperature sender input, a universal pressure sender input and the aircrafts supply voltage.

66 different engine setup configurations possible

Universal, programmable rev counter (engine RPM) with digital and analogue readout, with a programmable high alarm limit

Programmable engine Hobbs meter (password protected) and running timer (flight timer) with automatic flight log

Can monitor up to four programmable thermocouple channels for EGT and CHT probes with a user programmable high alarm limit

A universal temperature sender input with a user programmable low and high alarm limits

A universal pressure sender input with a user programmable low and high alarm limits

Supply voltage measurement up to 30V with a user programmable low and high alarm limits

Maximum recorded values for all measured values are stored in non-volatile memory

High accuracy: Built in thermocouple linearization curves and cold junction compensation

Thermocouple temperature probes can be common K, J or E-type thermocouple probes

Uses standard automotive temperature and pressure senders

Special Rotax 912/914 engine monitor mode utilizing the standard built in Rotax NTC CHT probes

Supports the new Rotax 912/914 4-20mA oil pressure sender


Please Click Here for the E1 product manual pdf

Velocity FF-3 Fuel Flow Computer

The FF-3 fuel management computer is intended for efficient monitoring of fuel flow.

The FF-3 unit can connect to one or two fuel flow senders, one or two fuel level senders or both. Full functionality is available with both senders or only with a fuel flow sender using calculated fuel levels based on fuel usage. Differential fuel flow calculations are also supported for fuel return systems.

Standard automotive fuel level senders can be used, even with odd shaped tanks thanks to a comprehensive, multi point calibration system.

Use the MGL fuel flow sender (below) for non-cowled and exposed engine instalations, or where the sender is mouted outside the engine bay, eg in the cockpit. Or use a Floscan metal sender in the engine compartment.

Advanced fuel computer with 17 different modes of operation

Supports single or dual fuel tanks

The FF-3 can connect to one or two fuel flow senders, fuel level senders or fuel injectors

Differential fuel flow calculations are also supported for fuel return systems

The FF-3 has the ability to connect to an ASI-1/ASX-1 or a NMEA enabled GPS receiver for range based calculations. It can also accept a manually entered estimate cruising speed if an ASX-1/GPS is not available.

Standard automotive fuel level senders can be used, even with odd shaped tanks due to a comprehensive, multi-point calibration system

Please Click Here for a product manual.

FF-1 RS232 NMEA GPS conection cable to determin range from ground speed

The Infinity FF-1 has the ability to be connected to a NMEA enabled RS232 GPS receiver to allow the FF-1 to use the actual ground speed in determining the fuel range (See the Infinity FF-1 manual for more information).

The NMEA enabled RS232 GPS receiver must be able to output a GPRMC message (The Recommended Minimum sentence defined by NMEA for GPS/Transit system data.).

For a manual Please Click Here

MGL Fuel Flow Sender

Compatible with a wide range of fuels including those with alcohol/ethanol content.
Mechanical failure of the sender will not block the fuel flow.
The fuel flow sender is compatible with all of MGL Avionics range of products.
Successfully fitted to every possible engine type including large aero engines.

For a product manual please CLICK HERE

Velocity Flight 2

Primary flight computer

Altimeter (–700ft (-213m) to 30 000ft (9144m)). Altitude can be displayed in feet or metres. Local pressure can be set in mbar or in “Hg.

Airspeed indicator (16mph to 250mph).

Altitude compensated digital VSI indicator (+/-20 ft/min to +/-10 000 ft/min) and a logarithmic analog VSI indicator (+-2000 ft/min range). VSI can be displayed in ft/min or m/s.

Automatic flight duration timer

Fuel flow (optional fuel flow sender). Fuel flow can be displayed in litres or US gallons.

Fuel level calculated from fuel flow or from a fuel level sender

Multi point fuel level sender calibration to compensate for odd shaped tanks and nonlinear fuel level senders

Current range estimate (range at current speed and fuel burn). Can be displayed in statute/nautical mile or in kilometers

Fuel bingo estimate (time until tank empty)

Universal RPM counter (0 to 20000RPM)

Real Time Clock (RTC) for local time and flight log use

Settable Hobbs meter (password protected)

Programmable Maintenance timer for scheduled routine engine maintenance

OAT (Outside air temperature) display using an external sensor

Supply Voltage display

Density altimeter

Barometer (actual local pressure)

True airspeed (TAS display)

Fuel range based on TAS, IAS or GPS-NMEA input

Fuel endurance based on TAS, IAS or GPS-NMEA input

Stopwatch

Glide and climb ratio indicator

Alarm on low/high RPM, low/high airspeed, low/high supply voltage and low fuel level

Records maximum values reached in permanent memory

Includes a 24 entry automatic flight log


Please Click Here for the product manual pdf.

Velocity GF 2 G-force Meter

+-10G Tilt compensated dual range G-force meter


The GF-2 is a 3 1/8” G-force meter capable of measuring G-forces exerted in an aircraft up to +-10g. The forces acting on the aircraft are easily seen on a large backlit graphic display both numerically and graphically.

The GF-2 also has the facility to record maximum G-forces obtained in permanent memory as well as a temporary memory to record G-forces reached from the time of power up. It also features 2 independent cycle counters to capture the amount of times a preset force has been exceeded.

The GF-2 is able to measure G-forces even if the instrument is not mounted exactly on the vertical axis of the aircraft.

Typical, accurate range up to 20g (from -10g to +10g)

Records maximum measured forces in permanent memory (both positive and negative G-forces), with password protected reset facility

Two independent cycle counters record the number of times a preset force has been exceeded

Temporary memory for maximum positive and negative G-forces encountered (typically during a flight)

Clear, large readable G-force numerical value (10g positive and negative)

Scalable graphic analogue display of force acting on the aircraft

2 axis design of the instrument allows mounting in sloped panels (i.e. panel not exactly vertical)

Quick calibrations function for operation at temperature extremes using Earth’s gravity

Please Click Here for the Product Manual pdf

Velocity MAP 2 Manifold Pressure and RPM Indicator

Typical applications include:

Engine manifold pressure, turbo boost pressure, barometer, fuel or oil pressure gauge (with additional isolation kit), pressure reference or airfoil research and testing

Universal pressure and RPM indicator

Can Measures RPM from 0 to 20000 RPM

Can measure pressures in the range of 0.25 bars (3.6 PSI) to 2.5 bars (36.2 PSI)

Pressure can be displayed in millibar, bar, PSI, kg/cm2, inches of Mercury, millimeters of Mercury, kilopascal (KPA) or atmospheres

Contains a programmable low/high Pressure and RPM alarm

Records maximum pressure and RPM reached in permanent memory

Includes a 24 entry automatic flight log

Includes a settable Hobbs meter (password protected) and an engine running timer/flight timer

Contains a programmable maintenance timer for scheduled routine engine maintenance

Scalable analogue pressure bar graph

Please Click Here for the Product Manual pdf

Velocity Rotor 1 Dual Rotor / Engine Tachometer

Dual rotor / engine tachometer

Dual digital readouts or a traditional scaleable analogue needle display

Includes a 24 entry automatic flight log

Includes a settable Hobbs meter (password protected) and an engine running timer/flight timer

Contains a programmable engine and rotor low / high RPM alarm

Contains a programmable maintenance timer for scheduled routine engine maintenance

Records maximum rotor and engine RPM reached in permanent memory


Pease Click Here for the Product Manual pdf

Velocity RTC 1 Aviation Clock

Aviation UTC Real Time clock, OAT and voltage display.

Features a 2 time zone system, stopwatch, countdown timer, alarm, OAT (outside air temperature) and voltage display

Stopwatch and timers can operate simultaneously to a programmable alarm

Local time offsets can be added or subtracted e.g. summer time or similar variances

OAT can be displayed in degrees Celsius or degrees Fahrenheit

Can measure voltages up to 30V (compatible with both 12V and 24V aircraft supplies)

Contains a programmable low/high voltage alarm to automatically alternator failures , bad batteries, etc.

Records maximum and minimum OAT and maximum Voltage reached in permanent memory

User replaceable lithium battery

Velocity RV 3 Tachometer

Universal engine RPM and rotor RPM display.

Measures RPM from 0 to 20000 RPM

Includes a 24 entry automatic flight log

Includes a settable Hobbs meter (password protected) and an engine running timer/flight timer

Contains a programmable low / high RPM alarm

Contains a programmable maintenance timer for scheduled routine engine maintenance

Records maximum RPM reached in permanent memory

Scaleable analogue bar graph indicating RPM


Please Click Here for the Product Manual pdf.

Velocity TC 2

One to four channel thermocouple temperature display - CHT and or EGT

6 different display modes

Supports J, K and E thermocouple probes

Temperatures can be displayed in degrees C or degrees F from -100ºC to 1200ºC (-148ºF to 2192ºF)

High accuracy: Built in thermocouple linearisation curves and cold junction compensated

Records maximum temperatures reached for each channel in permanent memory

Please Click Here for the Product Manual pdf.

Velocity TC 3

12 Channel thermocouple (EGT/CHT) indicator.

Supports J, K and E thermocouple probes

Temperatures can be displayed in degrees Celsius or degrees Fahrenheit from -100 ºC to 1200ºC (-148ºF to 2192ºF)

High accuracy: Built in thermocouple linearisation curves and cold junction compensated

Maximum temperature for each thermocouple is recorded in permanent memory and indicated by a solid line above the thermocouples bar graph

Engine leaning function according to peak EGT temperatures

Engine cruise mode to instantly identify changing EGT/CHT trends


Please Click Here for the Product Manual pdf.

Velocity TP 2

Dual Channel universal Temperature/pressure gauge.

Temperature can be measured using standard automotive resistive senders (e.g. VDO) as well as the MGL Avionics precision LM335 semiconductor sensor

Pressure can be measured using standard automotive resistive senders (e.g. VDO), Rotax 4-20mA senders as well as 0-5V output pressure senders (e.g. UMA)

Temperature and pressure inputs can be programmed to a user defined curve for custom senders

Can be setup for a single, dual or combination temperature / pressure display.

Both temperature and pressure readings have a programmable low and high alarm

Records maximum temperature and pressure reached in permanent memory

Supports Rotax 4-20mA pressure sender as used in 912/914 engines

Please Click Here for the Product Manual pdf.

AV 2

Artificial horizon and magnetic compass indicator screen - requires a magnetometer (SP-2) for compass and an attitude module (SP-4) for horizon / balance ball / slip

The AV-2 can be setup to display the following:

Compass with five different displays (requires MGL Avionics SP-2 sensor package)

Horizon with or without slip indicator (requires MGL Avionics SP-3/4/5 sensor package)

Turn and bank indicator (requires MGL Avionics SP-3/4/5 sensor package)

Combined compass and horizon display with bank indicator and optional slip indicator (requires MGL Avionics SP2 & SP-3/4/5 sensor package)

You can also share sensor packages between various different sizes of instrument e.g. Infinity 2 1/4” AV-1 units. For example you may want a 3 1/8” horizon display but a 2 1/4” compass/turn and bank indicator.

Artificial horizon reference system (AHRS) display unit with slip indication as well as turn and bank indication

Advanced magnetic compass with course steering feature

Can be setup as an individual compass display, artificial horizon or both

The AV-2 is connected to the sensor packages by a simple 2 wire airtalk communication link. This allows for the optimum placement of the sensor package in the aircraft

More than one AV-2 can be connected onto an airtalk link. This allows the compass, artificial horizon and the turn and bank indicator to be displayed on different AV-1/ AV-2 units

AV-2 HRS system

Heading Reference System using the AV-2 display and an SP-2 compass module.

Picture shows four types of display that you can select.

Please Click Here for the Product Manual pdf.

AV 2 ARS Attitude Reference System

Combines an AV-2 display and an SP-4 module to provide an artificial horizon display with balance ball and turn and slip indicator.

Please Click Here for the Product Manual pdf.

Velocity AHRS system

Combines an AV 2 display with an SP-2 magnetometer and an SP-4 attitude module for combined Compass heading indicator, Horizon, Balance Ball and Turn and Slip instrument.

You can buy more AV 2 displays to show Horizon on one screen, Compass on another and Turn and Slip on a third, all using the same SP-2 and SP-4 modules.

All Three Displays are possible on an AHRS system.

Turning the knob scrolls between each screen

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Please Click Here for the Product Manual pdf.