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4th Runway of Delhi Airport is to be used for departures only

4th runway at Delhi Airport, exclusively dedicated to departures.

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Discover the latest updates on the highly anticipated 4th runway at Delhi Airport, exclusively dedicated to departures.

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Delhi Airport, the busiest airport in India, is set to open its 4th Runway named ‘Runway 29 Right and 11 Left‘, for departures only starting July 13. The new runway, which will be 4.3 km long and 60 m wide, will increase the airport’s capacity to handle up to 95 flights per hour, compared to the current 75 flights per hour.

However, the 4th Runway will not be used for both arrivals and departures, as is the case with the other three runways. Instead, it will be exclusively used for departures, while the existing runways will handle both arrivals and departures.

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Why is this so? According to the airport authorities, the decision to use the 4th Runway only for departures is based on several factors, such as:

The location of the runway:

The 4th Runway is located parallel to the existing runway 11/29 but at a distance of 1.8 km. This means that there is not enough space between the two runways for simultaneous operations of arrivals and departures, as per the safety norms of the International Civil Aviation Organization (ICAO).

The wind direction:

The prevailing wind direction in Delhi is from the west, which means that most of the flights take off and land in the same direction (west to east). This creates a situation where the flights departing from the 4th Runway would have to cross the path of the flights arriving on the runway 11/29, creating a potential conflict and reducing efficiency.

The traffic mix:

The traffic mix at Delhi Airport consists of various types of aircraft, ranging from small regional jets to large wide-body aircraft. The different types of aircraft have different speeds and performance characteristics, which affect their separation requirements and runway occupancy times. For example, a large aircraft takes more time to accelerate and decelerate than a small aircraft and also requires more distance between itself and the preceding or following aircraft. By using the 4th Runway only for departures, the airport can optimize the traffic flow and reduce delays.

The airport authorities claim that by using the 4th Runway only for departures, they can achieve several benefits, such as:

Reducing congestion and delays:

By having a dedicated runway for departures, the airport can reduce the waiting time for take-off clearance and avoid queueing on the taxiways. This will also free up space on the other runways for arrivals, reducing the chances of holding patterns and go-arounds.

Increasing capacity and efficiency:

By having a separate runway for departures, the airport can increase its capacity to handle more flights per hour, especially during peak hours. This will also improve the efficiency of air traffic management and reduce fuel consumption and emissions.

Enhancing safety and security:

By having a separate runway for departures, the airport can reduce the risk of runway incursions and conflicts between arriving and departing flights. This will also enhance the security of the airport perimeter, as there will be less movement of vehicles and personnel across the runways.

The airport authorities also assured that by using the 4th Runway only for departures, they will not compromise on passenger convenience and comfort. They say that they have taken measures to ensure that passengers do not have to travel long distances to reach their boarding gates or face any inconvenience during their journey. Some of these measures include:

Building a new terminal:

The airport is constructing a new terminal (T1D) adjacent to the existing terminal 1 (T1), which will cater to domestic low-cost carriers. The new terminal will have direct access to the 4th Runway via a dedicated taxiway bridge, which will reduce travel time and enhance the passenger experience.

Expanding existing terminals:

The airport is also expanding its existing terminals 2 (T2) and 3 (T3), which handle domestic and international flights respectively. The expansion will add more check-in counters, security lanes, baggage belts, boarding gates, lounges, shops, and restaurants to cater to the growing passenger demand.

Improving connectivity:

The airport is also improving its connectivity with various modes of transport, such as metro rail, buses, taxis, and private vehicles. The airport has a dedicated metro station (Airport Express Line) that connects it with central Delhi in less than 20 minutes. The airport also has a network of buses (DTC) that connect it with various parts of the city. The airport also has ample parking space for private vehicles and taxis.

Delhi Airport’s 4th Runway is expected to be operational by July 13, 2023, subject to regulatory approvals and weather conditions. The airport hopes that by using this runway only for departures, it can enhance its operational performance and customer satisfaction while maintaining its position as one of the leading airports in the world.