AVIONICS Parameter
Atmospheric Data, Vertical Performanc Lateral, Modes
Assigned Color Cyan (Blue) Green
Warnings, FROM Waypoint, Flight Plan Names Yellow TO Waypoint
Menus and Titles Failures
Magenta White Red
One of the important FMS pages that can be called up by a maintenance specialist is the “Maintenance Page.” To select the Maintenance Page, the maintenance specialist pushes the NAV button located below the MCDU screen. This displays the NAV Index Page. Pressing the NEXT button below the MCDU screen displays page two which is shown here.
The FMS allows fl ight plan building and storage and
creating and storing waypoints. The FMS has three databases associated with it. • Navigation database
• Custom database • Aircraft database
The navigation database contains information on navigation aids (NAVAIDS) and earth reference points such as airports, runways, intersections and routes. The custom database is where the fl ightcrew build and
store fl ight plans, waypoints, holding patterns, etc. The aircraft database allows the VNAV portion of the FMS learn how the pilot is fl ying the helicopter, and makes adjustments to help determine top of climb (TOC) and top of descent (TOD) points.
Data Management Unit (DMU) Lastly we come to the DMU. This LRU is an option for the Primus EPIC system on the AW-139 helicopter. The DMU can be used to enter or retrieve data from the aircraft in normal operation. It can be used to upload all FMS operational databases discussed earlier. The DMU is a combination DVD/CD-ROM read-only
NAV Index Page 2/2
Pressing the line select key (LSK) adjacent to the MAINTENANCE prompt displays the FMS MAINTENANCE PAGE 1/3 shown below. The number 1 or 2 after FMS indicates which FMS is being looked at.
drive and dual fl ash memory module ports (PCMCIA). This abbreviation stands for Personal Computer Memory Card International Association.
WWW.CONCORDEBATTERY.COM You asked
FMS MAINTENANCE Page 1/3 The screen shown indicates that the
FMS was selected to be in the DUAL mode and is active in the DUAL mode. If a problem existed, it is possible that the FMS would be active in a mode other than the one selected. The lateral navigation function of the FMS can calculate navigation information relative to selected geographical points. The pilot can defi ne fl ight plan routes worldwide.
RG-390E RG-390E/25
RG-380E/40B RG-380E/44 RG-380E/46
Two sturdy lifting straps have been added to the RG-380E and RG-390E Series batteries. Shipping now!
Thanks for choosing Concorde.
CONCORDE BATTERY CORPORATION 626-813-1234 | 1-800-757-0303
April | May 2015
HelicopterMaintenanceMagazine.com 13
We listened
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44