1. N9455X (C182R) New Garmin GPS 400W Fred Clark, CAPT Civil Air Patrol
SWR-NM-030, Sqdn II
January, 2014

2. Acronyms Used
Translation
ADF
Automatic Direction Finder
APT
Airport BI
Bearing Indicator
CDI
Course Deviation Indicator
COM
Communication (radio transceiver) DF
Direction Finder
GNS
Global Navigation System (transceiver)
GPS
Global Positioning System (receiver) GS
Glide Slope
IAP
Instrument Approach Procedure
ILS
Instrument Landing System
NAV
Navigation (radio receiver)
NRST
Nearest
OBS
Omni Bearing Selector PC
Personal Computer
SAR
Search and Rescue
URL
Universal Resource Locator
WAAS
Wide Area Augmentation System (or Service) XP
Microsoft Windows XP

3. N9455X (C182R) New Garmin GPS 400W
GPS 400W replaces the Apollo GX-55 GPS
ADF Control Unit is gone

4. N9455X (C182R) New Garmin GPS 400W
GPS 400W has its own OBS with CDI & GS

5. N9455X (C182R) New Garmin GPS 400W
NAV1 & NAV2 OBSs have been moved down

6. N9455X (C182R) New Garmin GPS 400W
NAV1 OBS still has its CDI and GS

7. N9455X (C182R) New Garmin GPS 400W
NAV2 OBS is where ADF BI used to be

8. N9455X (C182R) New Garmin GPS 400W
ADF “listen” button on COM panel now tied permanently to Becker DF

9. N9455X (C182R) New Garmin GPS 400W
Same NAV/COM still in avionics stack

10. GPS 400W
Items of Note:
When performing an ILS or other non-GPS approach, tune & follow Localizer and GS on NAV1 OBS

11. GPS 400W
Items of Note (Cont’d):
“GPS guidance is for monitoring only” for non-GPS approaches

12. GPS 400W
Items of Note (Cont’d):
Pilot’s Guide & Reference manual, plus Quick Reference manual, kept in Aircraft Information File (AIF) binder’s left pouch

13. GPS 400W
Items of Note (Cont’d):
Binder & the Reference manuals must be in plane during flight

14. GPS 400W
Items of Note (Cont’d):
400W supports WAAS IAPs
When loading or activating an approach, NAV/COM frequencies must be manually changed
Since ADF is gone, timer is gone; you’ll need an alternative timer for IAPs
400W provides no SAR patterns or grids, but can do Parallel Track offset

15. GPS 400W
Free from Garmin:
GPS simulator for PC (XP or later):
Sample Training Syllabus and Flight Lessons manual:

16. GPS 400W
Free from Garmin (Cont’d):
WAAS Training Video:
Quick Reference manual:
Pilot’s Guide & Reference manual:

17. GPS 400W PC Simulator for PC
Simulated Base Unit

18. Simulated OBS (looks different from N9455X’s)
GPS 400W Simulator for PC
Simulated Base Unit
Simulated OBS (looks different from N9455X’s)

19. Use mouse to simulate panel action
GPS 400W Simulator for PC
Simulated Base Unit
Use mouse to simulate panel action
Simulated OBS (looks different from N9455X’s)

20. Use mouse to simulate panel action
GPS 400W Simulator for PC
Simulated Base Unit
Use mouse to simulate panel action
Simulated Auto-Pilot (n/a to N9455X)
Simulated OBS (looks different from N9455X’s)

21. Use mouse to simulate panel action
GPS 400W Simulator for PC
Simulated Base Unit
Use mouse to simulate panel action
Simulated Auto-Pilot (n/a to N9455X)
Simulated OBS (looks different from N9455X’s)
Throttle
(up to 600 knots)

22. Before turning simulator “on,” select Option for GPS 400W
GPS 400W Simulator for PC
Before turning simulator “on,” select Option for GPS 400W

23. GPS 400W
Two things Pilots and Observers should know immediately:
How to trap your current lat/long
Emergency Direct-To Nearest Airport

24. GPS 400W
How to trap your current lat/long:
Press small knob once

25. GPS 400W
How to trap your current lat/long:
Lat/long appears at top-right, and pointer appears at current aircraft position; lat/long & pointer do not change with subsequent aircraft movement

26. GPS 400W
Emergency Direct-To Nearest Airport:
In-flight emergency enroute

27. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
In-flight emergency enroute
Where to go? Press NRST key

28. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
In-flight emergency enroute
Nearest airport appears at top of list, next closest is second, etc.
Where to go? Press NRST key

29. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
Press small-knob once, to highlight APT data-field (highlight will be flashing)

30. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
If highlighted APT is acceptable, then press D> (Direct-To)

31. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
Airport D> waypoint info comes up; press ENT (Enter)

32. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
GPS will flash “Activate?” for confirmation

33. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
GPS will flash “Activate?” for confirmation; press ENT (Enter) again

34. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
GPS will alter your flight plan and default to NAV chapter, first page

35. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
GPS will alter your flight plan and default to NAV chapter, first page; turn small-knob one notch to right

36. GPS 400W
Emergency Direct-To Nearest Airport (Cont’d):
GPS will go to NAV chapter, second page (map) with new course and distance info

37. Garmin URLs for downloads:
GPS 400W
Garmin URLs for downloads: