Garmin G1000 Pilot's Training Guide (-05) - Page 39

Ground Lesson 10

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Ground Lesson 10 TERRAIN AWARENESS/TAWS Objectives Upon completion of this lesson, the pilot should be able to accurately interpret terrain awareness and TAWS data while both incorporating this information into the aeronautical decision making (ADM) process and understanding the limitations of these systems. Resources • GIFD Pilot's Guide Exercise 10.1: TAWS Operation 1. In the TAWS feature, what do the colors red and yellow represent? Red signifies that terrain elevation is within 100 feet or above the aircraft altitude. Yellow represents terrain that is within 1,000 feet of the aircraft altitude. 2. What is the difference between Terrain Awareness and TAWS? Terrain Awareness uses a worldwide terrain database to display visual information of the surrounding terrain relation to the aircraft GPS altitude. The color of the terrain changes from black, yellow, red as distance of the aircraft reduces from the terrain. The Terrain Awareness and Warning System (TAWS) employs the worldwide terrain database and displays terrain color in a similar fashion to Terrain Awareness. TAWS also provides aural alerts and additional pop-up visual alerts. 3. List the types of alerts that Garmin TAWS-B offers. 1. Forward Looking Terrain Avoidance (FLTA) 2. Forward Looking Obstacle Avoidance (FLOA) 3. Premature Decent Alert (PDA) 4. Excessive Decent Alert (EDA) 5. Negative Climb Rate (NCR) 6. "Five-hundred" Aural Alert 4. Can all TAWS alerts be inhibited? Describe how to inhibit TAWS alerts. Forward Looking Terrain Avoidance (FLTA), Forward Looking Obstacle Avoidance (FLOA), and Premature Decent Alert (PDA) can be inhibited. The Excessive Decent Alert (EDA), Negative Climb Rate (NCR), and "Five-hundred" Aural Alerts are always on. To inhibit the listed TAWS alerts: 1. Select the MAP - TAWS Page. 2. Press the MENU Key. 3. Select "Inhibit TAWS" using the FMS Knob and press the ENT Key. 5. List and describe the two functions of the FLTA/FLOA. Reduced Required Terrain Clearance (RTC) and Required Obstacle Clearance (ROC) provide alerts when the aircraft flight path is above terrain and/or obstacles and is projected to come within minimum clearance values. Imminent Terrain Impact (ITI) and Imminent Obstacle Impact (IOI) provide alerts when the aircraft is below the elevation of terrain in the aircraft's projected path. 190-00368-05 Rev. B GIFD Pilot's Training Guide 35

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190-00368-05
Rev. B
GIFD Pilot’s Training Guide
35
Ground Lesson 10
TERRAIN AWARENESS/TAWS
Objectives
Upon completion of this lesson, the pilot should be able to accurately interpret terrain
awareness and TAWS data while both incorporating this information into the aeronautical
decision making (ADM) process and understanding the limitations of these systems.
Resources
• GIFD Pilot’s Guide
Exercise 10.1: TAWS Operation
1.
In the TAWS feature, what do the colors red and yellow represent?
Red signifies that terrain elevation is within 100 feet or above the aircraft altitude.
Yellow represents terrain that is within 1,000 feet of the aircraft altitude.
2.
What is the difference between Terrain Awareness and TAWS?
Terrain Awareness uses a worldwide terrain database to display visual information of
the surrounding terrain relation to the aircraft GPS altitude.
The color of the terrain
changes from black, yellow, red as distance of the aircraft reduces from the terrain.
The Terrain Awareness and Warning System (TAWS) employs the worldwide terrain
database and displays terrain color in a similar fashion to Terrain Awareness.
TAWS also
provides aural alerts and additional pop-up visual alerts.
3.
List the types of alerts that Garmin TAWS-B offers.
1.
Forward Looking Terrain Avoidance (FLTA)
2.
Forward Looking Obstacle Avoidance (FLOA)
3.
Premature Decent Alert (PDA)
4.
Excessive Decent Alert (EDA)
5.
Negative Climb Rate (NCR)
6.
“Five-hundred” Aural Alert
4.
Can all TAWS alerts be inhibited?
Describe how to inhibit TAWS alerts.
Forward Looking Terrain Avoidance (FLTA), Forward Looking Obstacle Avoidance
(FLOA), and Premature Decent Alert (PDA) can be inhibited.
The Excessive Decent Alert
(EDA), Negative Climb Rate (NCR), and “Five-hundred” Aural Alerts are always on.
To inhibit the listed TAWS alerts:
1.
Select the MAP - TAWS Page.
2.
Press the
MENU
Key.
3.
Select “Inhibit TAWS” using the
FMS
Knob and press the
ENT
Key.
5.
List and describe the two functions of the FLTA/FLOA.
Reduced Required Terrain Clearance (RTC) and Required Obstacle Clearance (ROC)
provide alerts when the aircraft flight path is above terrain and/or obstacles and is
projected to come within minimum clearance values.
Imminent Terrain Impact (ITI) and Imminent Obstacle Impact (IOI) provide alerts
when the aircraft is below the elevation of terrain in the aircraft’s projected path.