TAWS Flashcards
TAWS …
Terrain Awareness and Warning System
TAWS display alerts only in the height range of …
50 - 2500 FT AGL
TAWS processes signals from:
- RA
- GPS
- A/C sensors (LDG, flaps, weight …)
- ADC
- AHRS
- VHF NAV through the CAC
TAWS is inhibited by the MFC, in order to prioritize, in case of …
Stall
GPWS light illuminates for …
- Excessive descent rate
- Excessive terrain closure rate
- Altitude loss after take-off or GA
PULL UP light illuminates for …
Mode 1 and 2 (Excessive descent rate and Excessive terrain closure rate)
When an alert is computed, the ND changes to …
ARC / range 10 NM
Number of TAWS modes …
6
The TAWS modes are …
1 - Excessive descent rate
2 - Excessive terrain closure rate
3 - Altitude loss after take-off OR Go-Around
4 - Unsafe terrain clearance
5 - Below Glideslope
6 - Altitude Callouts and Excessive Bank Angle
The Step Approach Mode is a function that …
Acts as a filter on Mode 1 alert, increasing the slope up to 5 deg
The predictive terrain and obstacle warnings of the TAWS utilize …
Terrain, obstacle, and airport databases, as well as modeling aircraft climb capability
OCPA …
Obstacle Collision Prediction and Alerting
OCPA function shows …
Objects within the obstacle database
OCPA (Obstacle Collision Prediction and Alerting) shows obstacles on the ND …
As a star (yellow or red depending on the situation)
TAL …
Terrain Advisory Line
