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Garmin HTAWS User Guide - Page 63

HTAWS, Annunciation, Pop-Up Alert, Aural Message, Description

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Part Four: Section 3 HTAWS Alerts Pilot Actions If a HTAWS warning and associated aural are received, the pilot should immediately maneuver the rotorcraft in response to the alert unless the terrain or obstacle is clearly identified visually and determined by the pilot not to be a factor to the safety of the operation. A HTAWS caution alert indicates terrain or obstacle nearby. If possible visually locate the terrain or obstacle for avoidance. A HTAWS warning alert may follow a HTAWS caution unless the aircraft's path towards the terrain or obstacle is changed. NOTE: Display of terrain and obstacles on the display is supplemental data only. Maneuvering solely by reference to the terrain and obstacle data is not recommended or authorized. HTAWS Alerts Summary HTAWS Annunciation Pop-Up Alert None None None None None Aural Message "HTAWS System Failure" None "HTAWS Not Available" "Caution - Terrain, Terrain" "Warning - Terrain, Terrain" "Caution - Obstacle, Obstacle" "Warning - Obstacle, Obstacle" "Five Hundred" "Four Hundred" "Three Hundred" "Two Hundred" "One Hundred" Description HTAWS has failed HTAWS has been inhibited by the crew, or the aircraft groundspeed has fallen below 30 knots (automatic inhibiting). HTAWS not available. Forward Looking Terrain Avoidance Caution for Terrain Forward Looking Terrain Avoidance Warning for Terrain Forward Looking Terrain Avoidance Caution for Obstacle Forward Looking Terrain Avoidance Warning for Obstacle HTAWS provides optional 500 ft through 100 ft (in 100 ft increments) altitude call out alerts. NOTE: HTAWS Caution Alerts are displayed as constant black text on a yellow background; HTAWS Warning Alerts are displayed as constant white text on a red background. 190-00356-30 Rev H 57

Section	Page
Part One: Traffic Information Service (TIS) Interface	7
Section 1: TIS Operation and Symbology	7
TIS Operation	7
How TIS differs from TCAS	8
TIS Limitations	8
Improving TIS	9
TIS Symbology	9
Section 2: Control and Display	11
TIS Traffic Display Status and Pilot Response	11
Traffic Page	12
Traffic Page Display Range	12
Map Page	13
Configuring TIS Traffic Data on the Map Page	13
Highlighting TIS Traffic Using Map Page Panning	14
Section 3: TIS Operational Procedures	15
Introduction	15
Power-Up Test	15
Manual Override	16
Flight Procedures	16
After Landing	16
Part Two: XM Radio Interface	17
Section 1: Introduction	17
Overview	17
XM Radio Pages	17
XM NAV Pages	17
XM WPT Pages	18
XM AUX Pages	18
Section 2: XM Weather	18
Weather Product Age	19
XM NEXRAD Weather	19
NEXRAD U.S. and Canadian Coverage	20
NEXRAD Intensity	21
NEXRAD Abnormalities	21
NEXRAD Limitations	22
XM Weather METARs	22
Textual METAR Page	24
Textual METAR/TAF Code	25
TAF Page	25
TFR Information	25
Lightning (LTNG)	26
Cell Movement (CELL MOVE)	27
Winds Aloft	28
Winds Aloft Altitude	29
Section 3: XM AUX Pages	29
XM Information Page	29
XM WX Timestamps	30
Section 4: XM Audio	31
XM Audio Menu	33
Add to Presets List	33
Enter Channel Number	34
Display Channel In List	34
Display Artist In List	35
Display Title In List	35
Enable/Mute Audio Output	36
Change Volume	36
Part Three: TAWS Interface	37
Section 1: Introduction	37
Overview	37
Operating Criteria	37
Limitations	37
Section 2: TAWS Operation	38
TAWS Alerting	38
Baro-Corrected Altitude	38
Power Up	38
TAWS Page	38
Inhibit Mode	40
External TAWS Inhibit Control	40
TAWS Manual Test	40
TAWS Symbols	41
General Database Information	42
Database Versions	42
Database Updates	43
Terrain/Obstacle Database Areas of Coverage	43
Section 3: TAWS Alerts	44
Forward Looking Terrain Avoidance	44
Premature Descent Alerting (PDA)	45
Excessive Descent Rate Alert (EDR)	46
Negative Climb Rate After Takeoff Alert (NCR)	46
“Five-Hundred” Aural Alert	48
TAWS Not Available Alert	48
TAWS Failure Alert	48
TAWS Alert Summary	48
Pilot Actions	50
Airport Terrain “Cutouts”	50
Part Four: HTAWS Interface	51
Section 1: Introduction	51
Overview	51
Operating Criteria	51
Limitations	51
Section 2: HTAWS Operation	52
HTAWS Alerting	52
Baro-Corrected Altitude	52
Power Up	52
HTAWS Page	52
Page Menu	53
Inhibit Mode	54
External HTAWS Inhibit Control	54
Reduced Protection Mode	54
Mute Active Caution	55
HTAWS Manual Test	56
HTAWS Legend	56
HTAWS Symbols	57
General Database Information	58
Database Versions	58
Database Updates	59
Terrain Database Areas of Coverage	59
Obstacle Database Areas of Coverage	60
Section 3: HTAWS Alerts	60
Forward Looking Terrain Avoidance	61
Voice Call Out Aural Alert	61
HTAWS Not Available Alert	62
HTAWS Failure Alert	62
HTAWS Alert Summary	62
Pilot Actions	63
Voice Call Out Selection	64
Part Five: Terrain Proximity Interface	67
Introduction	67
Displaying Terrain Proximity	67
Terrain Proximity 120° Arc or 360° Rings	68
Terrain Proximity Aviation Data	68
Terrain Proximity Legend	69
Terrain Proximity Limitations	70
System Status	70
Part Six: Garmin GTS 8XX Series Interface	71
Introduction	71
GTS 8XX Series Description	71
Power-up Self-Test	71
User-initiated Test	72
Voice Announcements	72
Switching Between Standby and Operating Modes	72
Altitude Display Mode	73
Traffic Page	73
Traffic Warning Window	74
Traffic Page Display Range	74
Configuring Traffic Data on the Map Page	74
Highlighting Traffic Data Using Map Panning	75
Monitoring Traffic	76
Failure Response	76