Skip to content Skip to footer

Electronic Ground Proximity Warning System (EGPWS)

Short (Certificate) Courses for Pilots-in-Service

Min. Academic & Professional Level

Intermediate & PPL,CPL, ATPL Holders & Flight Instructors

Course Designed for:

PPL,CPL, ATPL Holders, Airlines & GA Pilot-in-Service, Flight Instructors of Flying Clubs & Flight Simulators

Short Course Modules:

Content:

Module 1: Introduction to EGPWS

  • Sub-topic 1: What is EGPWS?
  • Sub-topic 2: Historical Perspective and Development
  • Sub-topic 3: Importance of EGPWS in Aviation Safety
  • Sub-topic 4: Regulatory Framework and Compliance Requirements

Module 2: EGPWS Operating Principles

  • Sub-topic 1: Terrain Database and Mapping
  • Sub-topic 2: GPS Integration
  • Sub-topic 3: Altitude Callouts and Alerts
  • Sub-topic 4: Mode S and Enhanced Surveillance

Module 3: EGPWS Modes and Alerts

  • Sub-topic 1: Mode 1 – Excessive Descent Rate Warning
  • Sub-topic 2: Mode 2 – Terrain Clearance Floor Warning
  • Sub-topic 3: Mode 3 – Altitude Loss After Takeoff Warning
  • Sub-topic 4: Mode 4 – Sink Rate Warning

Module 4: Advanced EGPWS Features

  • Sub-topic 1: Windshear Detection and Recovery
  • Sub-topic 2: Approach and Landing Alerting System (ALAS)
  • Sub-topic 3: Terrain Awareness and Display
  • Sub-topic 4: Flap Override and Landing Gear Override

Module 5: EGPWS Hardware and Installation

  • Sub-topic 1: EGPWS Components and Sensors
  • Sub-topic 2: Cockpit Display Units (CDUs)
  • Sub-topic 3: System Redundancy and Reliability
  • Sub-topic 4: Installation and Integration Considerations

Module 6: EGPWS Training and Proficiency

  • Sub-topic 1: Crew Training Requirements
  • Sub-topic 2: EGPWS Proficiency Checks
  • Sub-topic 3: Simulator Training and Scenario-Based Exercises
  • Sub-topic 4: Emergency Response Planning

Module 7: EGPWS Data Analysis and Reporting

  • Sub-topic 1: Event Data Monitoring and Recording
  • Sub-topic 2: Downloading and Analyzing EGPWS Data
  • Sub-topic 3: Reporting and Root Cause Analysis
  • Sub-topic 4: Safety Enhancements and Feedback Loop

Module 8: Human-Machine Interface (HMI) Design

  • Sub-topic 1: EGPWS Display Characteristics
  • Sub-topic 2: Auditory and Visual Alerts
  • Sub-topic 3: Human Factors and User Interface Design
  • Sub-topic 4: User Customization and Preferences

Module 9: Case Studies and Incidents

  • Sub-topic 1: Notable EGPWS-Related Accidents
  • Sub-topic 2: Lessons Learned from Incidents
  • Sub-topic 3: Safety Enhancements Following Incidents
  • Sub-topic 4: Real-World EGPWS Success Stories

Module 10: Future Trends and Innovations

  • Sub-topic 1: EGPWS Technology Advancements
  • Sub-topic 2: Integration with Next-Generation Cockpits
  • Sub-topic 3: Collision Avoidance and UAS Integration
  • Sub-topic 4: Regulatory and Industry Challenges in EGPWS Development

An Overview:

Definition: The Electronic Ground Proximity Warning System (EGPWS) is an advanced safety technology used in aviation to provide flight crews with timely alerts and warnings about potential collisions with the ground or other obstacles during flight. 

EGPWS is designed to enhance situational awareness and help prevent Controlled Flight Into Terrain (CFIT) accidents, which occur when an aircraft inadvertently flies into the ground or an obstacle. EGPWS works by monitoring the aircraft’s position, altitude, and terrain data to provide predictive warnings.

Types of EGPWS:

There are two main types of EGPWS systems:

Class “A” EGPWS: This type of system provides both terrain and obstacle alerts. It uses a comprehensive terrain database and considers aircraft performance to predict potential conflicts with terrain or obstacles.

Class “B” EGPWS: This system provides terrain alerts only and uses a simplified terrain database. It’s typically used in aircraft that operate in areas with less complex terrain.

Working of EGPWS:

EGPWS systems use GPS data, onboard terrain databases, and aircraft performance parameters to determine the aircraft’s position and its relation to surrounding terrain and obstacles. The system continuously calculates the aircraft’s projected flight path and compares it to terrain elevation and obstacles in its database. If the system detects a potential conflict or unsafe situation, it generates visual and audible alerts for the flight crew.

Advantages of EGPWS:

Enhanced Safety: EGPWS helps prevent CFIT accidents by providing timely warnings and alerts to flight crews about impending collisions with terrain or obstacles.

Situational Awareness: The system improves flight crews’ situational awareness, especially in low-visibility conditions, by giving them vital information about their proximity to terrain.

Terrain Mapping: EGPWS provides real-time terrain mapping on cockpit displays, helping pilots understand the terrain ahead.

Customized Alerts: The system considers the aircraft’s performance and position to generate customized alerts tailored to the specific situation.

Disadvantages of EGPWS:

False Alerts: In some cases, EGPWS may generate false alerts due to inaccuracies in terrain databases or temporary changes in flight path.

System Complexity: The integration and maintenance of EGPWS systems require careful engineering and ongoing updates to terrain databases.

Features of EGPWS:

Terrain Display: EGPWS offers terrain mapping on cockpit displays, providing visual information about terrain and obstacles.

Alerts and Warnings: The system generates visual and audible alerts to notify flight crews about proximity to terrain or obstacles.

Voice Alerts: EGPWS may include voice callouts that audibly announce alerts to the flight crew.

Forward-Looking Terrain Avoidance: Some advanced systems offer forward-looking terrain avoidance that considers the aircraft’s planned trajectory and adjusts it to avoid potential conflicts.

Further Advancements:

  • EGPWS technology continues to evolve with advancements in aviation technology:
  • Enhanced terrain databases with higher resolution and accuracy.
  • Integration with other avionics systems for more comprehensive situational awareness.
  • Integration with weather radar and other sensors for improved hazard detection.
  • Improved predictive modeling for more precise alerts and warnings.

EGPWS has significantly contributed to aviation safety by helping prevent CFIT accidents. Its continuous development and integration with other systems continue to enhance flight safety and situational awareness for flight crews.

Course Modules:

10 modules for a short course on “(EGPWS) Electronic Ground Proximity Warning System in Flight,” each with at least four relevant sub-topics:

Module 1: Introduction to EGPWS

Sub-topic 1: What is EGPWS?

Sub-topic 2: Historical Perspective and Development

Sub-topic 3: Importance of EGPWS in Aviation Safety

Sub-topic 4: Regulatory Framework and Compliance Requirements

Module 2: EGPWS Operating Principles

Sub-topic 1: Terrain Database and Mapping

Sub-topic 2: GPS Integration

Sub-topic 3: Altitude Callouts and Alerts

Sub-topic 4: Mode S and Enhanced Surveillance

Module 3: EGPWS Modes and Alerts

Sub-topic 1: Mode 1 – Excessive Descent Rate Warning

Sub-topic 2: Mode 2 – Terrain Clearance Floor Warning

Sub-topic 3: Mode 3 – Altitude Loss After Takeoff Warning

Sub-topic 4: Mode 4 – Sink Rate Warning

Module 4: Advanced EGPWS Features

Sub-topic 1: Windshear Detection and Recovery

Sub-topic 2: Approach and Landing Alerting System (ALAS)

Sub-topic 3: Terrain Awareness and Display

Sub-topic 4: Flap Override and Landing Gear Override

Module 5: EGPWS Hardware and Installation

Sub-topic 1: EGPWS Components and Sensors

Sub-topic 2: Cockpit Display Units (CDUs)

Sub-topic 3: System Redundancy and Reliability

Sub-topic 4: Installation and Integration Considerations

Module 6: EGPWS Training and Proficiency

Sub-topic 1: Crew Training Requirements

Sub-topic 2: EGPWS Proficiency Checks

Sub-topic 3: Simulator Training and Scenario-Based Exercises

Sub-topic 4: Emergency Response Planning

Module 7: EGPWS Data Analysis and Reporting

Sub-topic 1: Event Data Monitoring and Recording

Sub-topic 2: Downloading and Analyzing EGPWS Data

Sub-topic 3: Reporting and Root Cause Analysis

Sub-topic 4: Safety Enhancements and Feedback Loop

Module 8: Human-Machine Interface (HMI) Design

Sub-topic 1: EGPWS Display Characteristics

Sub-topic 2: Auditory and Visual Alerts

Sub-topic 3: Human Factors and User Interface Design

Sub-topic 4: User Customization and Preferences

Module 9: Case Studies and Incidents

Sub-topic 1: Notable EGPWS-Related Accidents

Sub-topic 2: Lessons Learned from Incidents

Sub-topic 3: Safety Enhancements Following Incidents

Sub-topic 4: Real-World EGPWS Success Stories

Module 10: Future Trends and Innovations

Sub-topic 1: EGPWS Technology Advancements

Sub-topic 2: Integration with Next-Generation Cockpits

Sub-topic 3: Collision Avoidance and UAS Integration

Sub-topic 4: Regulatory and Industry Challenges in EGPWS Development

These modules provide a comprehensive overview of Electronic Ground Proximity Warning Systems (EGPWS), covering the operating principles, features, training, safety aspects, and the latest advancements in this critical aviation safety system.