GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN?

1. It is designed to provide additional accuracy and integrity.
2. It will allow more uniform and high-quality air traffic management.
3. It will provide benefits only in aviation but not in other modes of transportation.

Select the correct answer using the code given below:

1. I, II and III
2. II and III only
3. I only
4. I and II only

Explanation

Statements I and II are correct

• GAGAN is designed to provide additional accuracy, integrity, and availability of GPS signals.
• It enables users to rely on satellite-based navigation for all phases of flight, from en route to precision approaches at airports.
• GAGAN also provide the capability for increased accuracy in position reporting, allowing for more uniform and high-quality Air Traffic Management (ATM).

Statement III is incorrect

• In addition, GAGAN provide benefits beyond aviation to all modes of transportation, including maritime, highways, and railroads.

Answer: (d) I and II only; Difficulty Level: Easy