SimHelp is able to provide these Avionics Upgrades:


Traffic Collision and Advisory System (TCAS)

SimHelp can update the TCAS system in your simulator from version 6.04A to version 7.0 or 7.1.


The SimHelp TCAS simulation includes intelligent intruders and a comprehensive range of encounter types. We support both “TCAS-on-EFIS” and “TCAS-on-IVSI”. Up to four intruders can be simultaneously displayed on the visual system.

Sixteen TCAS scenarios are provided covering a wide range of single and dual intruder conflicts. Background traffic can be enabled if required.

Once the instructor has selected a particular scenario, the incoming intruder aircraft will maneuver in response to changes in own aircraft flight path in order to maintain the threat. This tracking is maintained until a Resolution Advisory (RA) is triggered.

In some scenarios, the incoming intruder will respond incorrectly to its RA thereby demonstrating a reversal situation.

During an encounter, the traffic will be shown on either the EFIS or the IVSI's and will be seen on the visual system. Aural alerts will be heard over the cockpit audio system.

A range of malfunctions, including spurious alerts and transponder failures, are provided.


Enhanced Ground Proximity Warning System (EGPWS)

SimHelp can update existing Mark V or Mark VII GPWS installations in simulators with a Honeywell Mark V or Mark VII EGPWS. 

The Honeywell RAAS (Runway Alert and Advisory System) can be enabled if required.

egpws_pic.jpgWe can also install the Sandell TAWS system which is typically used in B747-200 freighters.

The SimHelp installation includes a global terrain height database for accurate radio altimeter inputs to the EGPWS and also a dual GPS simulation. 

Any valid combination of EGPWS program pins can be set. These are controlled via the “Airline Select” page on the Instructors Operating Station (IOS).

The terrain images output by the EGPWS computer can be displayed on either the EFIS EHSI’s or the weather radar display in exactly the same manner as the aircraft.

We use the actual aircraft EGPWS computer and stimulate it from a PC which in turn is connected to the host computer via an Ethernet link.


Weather Radar / Predictive Windshear

We can provide an ARINC-453/708A compatible Weather Radar (WXR) simulation for your simulator. This can either be a replacement for your existing obsolete / failed WXR system or a complete new installation.wxr_pic.jpg
The WXR supports a standard set of sixteen storms. The WXR simulation is performed on a PC and the video output is shown on either the EFIS EHSI or a dedicated weather radar display depending on the aircraft type.
If your visual system supports storms then the WXR storms will be visible on the visual system.
As the aircraft enters a storm, increasing turbulence will be felt, and the level of turbulence will increase as the center of the storm is approached.

If you fly into or under a storm then rain and hail will be heard and seen providing the simulator sound and visual systems support rain and hail

Ground clutter will be representative of the actual terrain ahead of the aircraft. If the aircraft has MAP mode (i.e. ground mapping mode) then that will be supported.
We can also support the Predictive Windshear System. (PWS). The simulator instructor can enable microbursts on either takeoff or approach and the aircraft will receive an aural warning and a microburst symbol will be drawn at the appropriate point on the EHSI.


8.33KHz VHF communications

SimHelp can replace your existing simulated VHF communications simulation with an 8.33KHz VHF channel separation version. 8.33_pic.jpg

The existing VHF communications radio tuning panels (or Radio Management Panels in the case of Airbus aircraft) will be replaced with 8.33Khz channel separation types. 

We are able to perform the upgrade with both parallel tune and serial tune (ARINC-429) types of radio tuning panels.

If the tuned frequencies are displayed on the instructors station then those displays will be reprogrammed so that six digits of frequency can be displayed.

If ATIS is installed in the simulator, then the ATIS software will be updated so that it can operate with the new radio tuning panels.


GSD Compiler and Server

SimHelp can provide you with an ARINC-424 compatible Ground Station Data (GSD) compiler.

The GSD database stores information about the world's airports, runways and radio stations.gsd_pic.jpg

The SimHelp GSD compiler accepts radio station data in ARINC-424-13 or 424-15 format from suppliers such as Jeppersen, and converts it into the format required by your simulator's host computer and instructors operating station.

The GSD data is normally received from the supplier on a CD-ROM or via e-mail. It is then compiled with the SimHelp compiler and this process takes a few minutes. Then the resulting binary files are transferred to the host computer and the IOS, typically via Ethernet.

Some older simulators cannot accept the entire global set of GSD data. In those cases the data can be filtered by region or country in order to reduce the volume of the data.

An alternative is to use the SimHelp GSD Server. This is a program which runs on the GSD compiler PC and it monitors the radio tuning panels within the simulator cockpit. The GSD Server determines which stations are currently tuned and feeds the GSD data for only the tuned stations to the host computer. This allows all simulators to access the whole world's set of GSD data.



SimHelp can upgrade simulators with a single or dual GPS or GNSS simulation.This would normally be used in conjunction with an EGPWS or FMS upgrade.
The SimHelp GPS/GNSS simulation outputs data in ARINC-743 format to compatible devices.
A malfunction is provided in order to allow the variation of the Horizontal Integrity Limit thereby causing an “UNABLE RNP” or similar message to appear on the navigation or FMS displays.
SimHelp's GPS simulation includes the ability to align the GPS position with the runway visual models as shown on the visual system so that RNAV controlled landings result in the aircraft touching down in the correct place. 



Engineer's Notes

Read the latest stories from the simulation engineer's daily life at the full flight simulator training centre!

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