Garmin | GNS 430W | Garmin GNS 430W Rotorcraft Flight Manual Supplement Garmin 400W Series GPS-WAAS Navigation System as Installed in Bell 206L, L-1

Garmin GNS 430W Rotorcraft Flight Manual Supplement Garmin 400W Series GPS-WAAS Navigation System as Installed in Bell 206L, L-1
LOG OF REVISIONS
Page
Rev. No.
No.
Date
Description
FAA Approved
1
All
6/18/15
Complete
Supplement
Michael Warren
Original
ODA STC Unit Administrator
Garmin International, Inc.
ODA-240087-CE
Date: 06/18/2017
2
6
190-01226-16 Rev. 2
Page 2 of 14
06/21/17
Added
sections 1.8
and 1.9
See page 1
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
Table of Contents
Section 1. OPERATING LIMITATIONS
1.1 Kinds of Operation
1.2 System Software:
1.3 Navigation Database
1.4 Terrain Database
1.5 Navigation
1.6 Terrain Proximity Display [All Units]
1.7 HTAWS Function [Units with HTAWS]
1.8 Datalinked Weather Display (Optional)
1.9 Traffic Display (Optional)
Section 2. NORMAL PROCEDURES
2.1 Unit Power On
2.2 Before Takeoff
Section 3. EMERGENCY PROCEDURES
3.1 Emergency Procedures
3.2 Abnormal Procedures
Section 4. MALFUNCTION PROCEDURES
Section 5. PERFORMANCE
Section 6. WEIGHT AND BALANCE DATA
Section 7. PILOT CHECKLIST
Section 8. FUEL AND OIL DATA
Section 9. CHARTS AND TABLES
4
4
4
4
5
5
5
5
6
6
7
7
7
8
8
8
9
9
10
10
10
10
GENERAL INFORMATION
Garmin 400W Series GPS/WAAS Nav Com
Operation
TERRAIN PROXIMITY
HTAWS
10
10
11
11
12
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
190-01226-16 Rev. 2
Page 3 of 14
Section 1. OPERATING LIMITATIONS
1.1
Kinds of Operation
This model helicopter when equipped with the GNS 400W is limited to VFR
ONLY operations in accordance with 14 Code of Federal Regulations Part 91
and Part 135. This RFMS does not grant approval for IFR operations. The
placard listed below shall be located in close proximity to the 400W Series unit.
“APPROVED FOR DAY/NIGHT VFR”
1.2
System Software:
Use of this RFMS is limited to the software versions shown in Table 1. The
software versions are displayed on the self-test page immediately after turn-on
for approximately 5 seconds or they can be accessed in the AUX pages.
Approved Software Version
(or later FAA approved versions for this STC)
Software Item
Main SW Version
SW version
As displayed on unit
5.20
5.20
Table 1 - Approved Software Versions
1.3 Navigation Database
The 400W Series unit database cards must be installed. The software
automatically precludes invalid databases for use by the 400W. Database cycle
information is displayed at power up on the screen, but more detailed
information is available on the AUX – UTILITY page.
a) Installations with dual 400W/500W Series units will only crossfill between
units when they contain the same database cycle. Updating of each database
must be accomplished on the ground prior to flight.
190-01226-16 Rev. 2
Page 4 of 14
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
1.4 Terrain Database
The 400W Series unit supports Terrain Proximity or HTAWS and requires a
Terrain database card to be installed in order for the function to operate.
Database cycle information is displayed at power up on the screen, but more
detailed information is available on the AUX – UTILITY page. Terrain
database cards contain the following data:
a) Due to the terrain resolution used in this system, the terrain database is
divided into six regions [Americas North; Americas South; Atlantic North;
Atlantic South; Pacific North; Pacific South]. Use of the proper database
region must be verified by the pilot.
b) The Obstacle Database has an area of coverage that includes the United
States and Europe, and is updated as frequently as every 56 days.
NOTE:
The area of coverage may be modified as additional terrain data sources
become available.
1.5 Navigation
No navigation is authorized north of 89° (degrees) north latitude or south of 89°
(degrees) south latitude.
1.6 Terrain Proximity Display [All Units]
Terrain Proximity is the display of terrain information and comprises of a 2-D
picture of the surrounding terrain and obstacles relative to the position and
altitude of the rotorcraft, however it does not provide any alerts.
Navigation must not be predicated upon the use of the terrain display. The
terrain display is intended to serve as a situational awareness tool only. By
itself, it may not provide either the accuracy or the fidelity on which to base
decisions and plan maneuvers to avoid terrain or obstacles.
Terrain may not be depicted on the terrain display within 1nm of airports and
heliports, however terrain hazards may exist in these areas.
1.7 HTAWS Function [Units with HTAWS]
HTAWS shall NOT be used for navigation purposes.
HTAWS shall only be inhibited when in visual contact with terrain and when
the pilot can be assured of maintaining clearance from terrain and obstacles.
RP Mode shall only be used when in visual contact with terrain.
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
190-01226-16 Rev. 2
Page 5 of 14
External HTAWS annunciators installed in the aircraft shall be fully functional
in order to use the HTAWS system.
1.8 Datalinked Weather Display (Optional)
This limitation applies to datalinked weather products from the GDL 88 or GTX
345.
Data link weather information shall not be used for maneuvering in, near, or
around areas of hazardous weather.
The indicated data link weather product age shall not be used to determine the
age of the weather information shown by the data link weather product.
Information provided by data link weather products may not accurately depict
current weather conditions. Due to time delays inherent in gathering and
processing weather data for data link transmission, the weather information
shown by the data link weather product may be significantly older than the
indicated weather product age.
Data link services shall not be the sole means used to obtain Temporary Flight
Restriction (TFR) or Notice to Airmen (NOTAM) information. Not all TFRs
and NOTAMS may be available on the GNS.
Datalinked text weather is decoded for the convenience of the pilot, however it
is possible that the decoding may be affected by anomalies in the data or
differences in the units of measure between the decoding system and the text
weather source. All text weather displayed on the GNS also includes the raw
weather text for pilot review.
1.9 Traffic Display (Optional)
The display of traffic is an aid to visual acquisition and shall not be utilized for
aircraft maneuvering.
Traffic is displayed in feet regardless of the unit settings for altitude.
190-01226-16 Rev. 2
Page 6 of 14
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
Section 2. NORMAL PROCEDURES
Refer to the 400W Series unit Pilot’s Guide defined in the GENERAL
INFORMATION section of this document for normal operating procedures.
This includes all GPS operations, VHF COM and NAV, HTAWS and MultiFunction Display information.
2.1 Unit Power On
Database.......................................................... REVIEW EFFECTIVE DATES
Self Test .................................... VERIFY OUTPUTS TO NAV INDICATORS
Self Test - HTAWS Remote Annunciators (if installed):
HTAWS (Red) ....................................................................ILLUMINATED
HTAWS (Yellow)............................................................... ILLUMINATED
HTAWS N/A (Yellow) ....................................................... ILLUMINATED
AURAL MESSAGE ..................................................... VERIFY VOLUME
Self Test - HTAWS Annunciator on G500H (if installed):
HTAWS TEST ...................................................................ILLUMINATED
2.2 Before Takeoff
System Messages and Annunciators ............................................ CONSIDERED
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
190-01226-16 Rev. 2
Page 7 of 14
Section 3. EMERGENCY PROCEDURES
3.1
Emergency Procedures
No change.
3.2
Abnormal Procedures
3.2.1 HTAWS WARNING
Red annunciator and aural “TERRAIN” or “OBSTACLE”:
Aircraft Controls ......................................... INITIATE ESCAPE MANUEVER
3.2.2 HTAWS CAUTION
Yellow annunciator and aural “TERRAIN” or “OBSTACLE”:
VERIFY THE AIRCRAFT FLIGHT PATH
AND CORRECT, IF REQUIRED.
3.2.3 HTAWS N/A and HTAWS FAIL
If the amber external HTAWS N/A status annunciator is displayed, the system
will no longer provide HTAWS alerting or display relative terrain and obstacle
elevations. The crew must operate the aircraft in a manner to ensure minimum
safe terrain and obstacle separation.
b)
3.2.4 LOSS OF GPS NAVIGATION
LOSS OF POSITION AND DR MODE ANNUNCIATED
Navigation ..............................................................USE ALTERNATE MEANS
If the Garmin 400W Series unit GPS navigation information is not available,
or is invalid, utilize other remaining operational navigation equipment
installed in the aircraft as appropriate. If the 400W Series unit loses GPS
position and reverts to Dead Reckoning mode (indicated by the annunciation
of “DR” in the lower left of the display), the moving map will continue to be
displayed. Rotorcraft position will be based upon the last valid GPS position
and estimated by Dead Reckoning methods. Changes in airspeed or winds
aloft can affect the estimated position substantially. Dead Reckoning is only
available in Enroute and Oceanic mode; Terminal and Approach modes do
not support DR.
LOSS OF INTEGRITY (LOI) ANNUNCIATED
Enroute/Terminal: continue to navigate using GPS equipment and
periodically cross-check the GPS guidance to other approved means of
navigation.
190-01226-16 Rev. 2
Page 8 of 14
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
3.2.5 AVIONICS FAN FAIL
Amber “FAN FAIL” annunciator illuminated:
AV FAN Circuit Breaker .............................................................. RESET ONCE
COM Radio Transmissions ..................REDUCE TO MINIMUM REQUIRED
Non Essential Avionics in Pedestal ................................................ POWER OFF
Cockpit Ventilation ........................................................................... MAXIMIZE
The avionics cooling fan ensures the Garmin 400W series units remain within
operating temperature limitations when operating with high cockpit air
temperatures. Failure of the avionics fan does not indicate an imminent failure
of the GNS.
Section 4. MALFUNCTION PROCEDURES
No change.
Section 5. PERFORMANCE
No change.
RFMS, Garmin 400W Series GPS/SBAS System
FAA APPROVED
190-01226-16 Rev. 2
Page 9 of 14
MANUFACTURER’S DATA
Section 6. WEIGHT AND BALANCE DATA
See current weight and balance data.
Section 7. PILOT CHECKLIST
No change.
Section 8. FUEL AND OIL DATA
No change.
Section 9. CHARTS AND TABLES
No change.
GENERAL INFORMATION
The Garmin 400W Series Pilot’s Guide, part number and revision listed below,
contain additional information regarding GNS system description, control and
function. The Pilot’s Guides do not need to be immediately available to the
flight crew.
 400W Series Pilot’s Guide & Ref
P/N 190-00356-00 Rev J
 400W/500W Series Optional Displays P/N 190-00356-30 Rev L
Although intuitive and user friendly the 400W Series unit requires a reasonable
degree of familiarity to enable unit operations without becoming too engrossed
at the expense of basic see-and-avoid. Pilot workload will be higher for pilots
with limited familiarity in using the unit. Garmin provides training tools with
the Pilot’s Guide and PC based simulator. Pilots should take full advantage of
these training tools to enhance system familiarization.
Garmin 400W Series GPS/WAAS Nav Com
The Garmin 400W Series GPS/WAAS Navigator is a panel-mounted product
that contains a GPS/WAAS receiver for GPS approved primary navigation
under TSO C146a, (plus optional VHF Com, VHF Nav radios and HTAWS) in
an integrated unit with a moving map and color display. The 400W Series unit
features a graphical display.
190-01226-16 Rev. 2
Page 10 of 14
RFMS, Garmin 400W Series GPS/SBAS System
The navigation functions are operated by dedicated keys and graphical menus
which are controlled by the buttons and the dual concentric rotary knob along
the bottom and right side of the display.
Optional VHF Com and VHF Nav radio functions are controlled via dedicated
buttons and knobs on the left side of the display and adjacent to frequencies they
are controlling.
Comm Freq
Flip/Flop
Photocell
for AutoDimming
Com Freq
Window
Nav Freq
Window
Graphic Moving
Map Display and
Navigation Info
Direct-To Key
Range Keys
Menu Key
Power and Com
Volume/Squelch
Clear Key
Data
Cards
Enter Key
Function and
Page Number
Nav Radio
Volume
Nav Radio
Flip/Flop
Large Knob
Com/VLOC
Freq (MHz)
Small Knob
Com/VLOC
Freq (kHz)
Large Knob
Terrain, Flight
Phase, and
GPS Integrity
Annunciator Mounting
Screw
Small Knob
(Cursor - Press
to activate)
CDI
Key
Navigation
Source: GPS,
VLOC, or
GPS-PTK
OBS
Key
Flight Plan
Key
Procedure Key
Message
Key
Figure 1 - 400W Series Control and Display Layout
Operation
GPS/WAAS TSO-C146a Class 3 Operation: The Garmin 400W Series unit
uses GPS and WAAS (within the coverage of a Space-Based Augmentation
System complying with ICAO Annex 10) for enroute, terminal area, nonprecision approach operations (including “GPS”, “or GPS”, and “RNAV”
approaches), and approach procedures with vertical guidance (including
“LNAV/VNAV” and “LPV”).
Navigation is accomplished using the WGS-84 (NAD-83) coordinate reference
datum. GPS navigation data is based upon use of only the Global Positioning
System (GPS) operated by the United States of America.
TERRAIN PROXIMITY
Terrain Proximity refers to the display of terrain information and comprises of a
2-D picture of the surrounding terrain and obstacles relative to the position and
altitude of the rotorcraft, however it does not provide any alerts.
Relative terrain elevation is depicted using a five color scale in which terrain
that is at or above the helicopter’s current altitude is depicted in orange and red
while terrain within 250 feet of the helicopter’s current altitude is shown in
yellow.
RFMS, Garmin 400W Series GPS/SBAS System
190-01226-16 Rev. 2
Page 11 of 14
Obstacles are depicted using a three color scale in which obstacles whose top is
at or above the helicopter’s current altitude are shown in red while obstacles
within 250 feet of the helicopter’s current altitude are shown in yellow.
The terrain page scale depicts the terrain scale but does not depict the obstacle
scale.
NOTE
Terrain Proximity and HTAWS are separate features. If “HTAWS”
is shown on the bottom right of the dedicated terrain page, then
HTAWS is installed.
HTAWS
The GNS 400W can include an optional Helicopter Terrain Awareness and
Warning System (HTAWS) which includes visual depictions of terrain and
obstacles relative to helicopter altitude as well as visual and aural alerts if terrain
or obstacles are a threat to the safe flight of the helicopter.
HTAWS is an alerting system. The system does NOT guarantee successful
recovery from a conflict due to factors such as pilot response, aircraft
performance, and database limitations. No standardized recovery technique is
defined as recovery maneuvers may vary. HTAWS protection is provided at
groundspeeds above 30 knots.
The Obstacle Database contains only KNOWN obstacles and does not contain
ALL existing obstacles. The Obstacle Database does not contain the location of
power line poles or wires.
HTAWS also includes pilot selectable Voice Callouts (VCOs) of helicopter
height above terrain from 500 feet AGL to the surface.
If HTAWS is not installed, then the GNS 400W will provide Terrain Proximity
functions which only provide visual depictions of terrain and obstacles on the
map page but provides no alerting or VCOs.
TERRAIN AND OBSTACLE DEPICTION
Terrain and obstacle elevations relative to aircraft altitude are depicted on the
Terrain page.
HTAWS NORMAL MODE
The GNS 400W will power on with HTAWS in Normal Mode. Normal Mode
provides for separation from terrain and obstacles appropriate for enroute, night,
and operations where the pilot is not in visual contact with terrain.
190-01226-16 Rev. 2
Page 12 of 14
RFMS, Garmin 400W Series GPS/SBAS System
HTAWS REDUCED PROTECTION MODE
The “RP MODE” menu selection on the terrain page is used to activate the
Reduced Protection (RP) functionality. RP Mode reduces alerting thresholds
and suppresses aural and visual cautions to allow operation in closer proximity
to terrain and obstacles while continuing to provide protection from terrain and
obstacles. An optional “RP MODE” external switch installation on the
instrument panel or avionics console is allowed to toggle Reduced Protection
mode in the same manner as using the Terrain Menu selection.
HTAWS INHIBIT
The “INHIBIT” menu on the terrain page is used to inhibit visual and aural
HTAWS terrain and obstacle alerts. VCOs will still be provided. HTAWS shall
only be inhibited if the pilot is certain of the ability to maintain separation from
terrain and obstacles.
HTAWS TEST
The “HTAWS TEST” menu selection on the Terrain Page is used to activate a
manual test which verifies proper operation of the aural and visual annunciations
of the system. The aural message “HTAWS System Test, OK” is played if the
system passes the test, if the system fails the test “HTAWS System Failure” is
played. HTAWS test is only available while on the ground.
VOICE CALL OUTS
Voice callouts (VCOs) provide voice annunciation of the aircraft height above
terrain when that altitude is descended through. VCOs may be enabled by the
pilot in 100ft increments from 500 feet above ground level to the surface.
Selecting the altitude above ground at which VCOs begin is accomplished using
the Voice Callout Selection under the AUX Setup 2 page.
HTAWS ANNUNCIATORS
When HTAWS is installed, HTAWS Mode and Status annunciations are
provided at the lower left corner of the HTAWS enabled GNS 400W unit. In
addition, HTAWS Mode and Alert annunciators external to the GNS 400W will
be present.
If an optional G500H system is installed in the helicopter then all HTAWS
mode and status annunciators from the GNS 400W will be provided on the
Primary Flight Display of the G500H.
If no G500H system is installed, then two HTAWS mode and status
annunciators from the GNS 400W will be installed in the eyebrow panel
adjacent to the aircraft annunciator panel. One annunciator provides visual
alerts for HTAWS warning (red) and caution (yellow) conditions. The second
annunciator indicates whether HTAWS protection is being provided by means
of a dual color HTAWS N/A indication. When HTAWS N/A is illuminated in
RFMS, Garmin 400W Series GPS/SBAS System
190-01226-16 Rev. 2
Page 13 of 14
amber HTAWS protection is not being provided as the result of either a system
failure or loss of a required input. When HTAWS N/A is illuminated in white
HTAWS protection is not being provided as the result of either automatic
inhibiting below 30 knots groundspeed or pilot inhibiting of HTAWS alerting.
190-01226-16 Rev. 2
Page 14 of 14
RFMS, Garmin 400W Series GPS/SBAS System
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