Get the free Continuous Descent Operations CDO Manual - ICAO

Doc 9931 AN/476 Continuous Descent Operations (CDO) Manual Approved by the Secretary General and published under his authority First Edition 2010 International Civil Aviation Organization Doc 9931

How to fill out continuous descent operations cdo

How to Fill Out Continuous Descent Operations (CDO):

1. Ensure you have a deep understanding of the concept of Continuous Descent Operations (CDO). CDO is a technique used in aviation to optimize descent profiles for aircraft approaching the landing phase. It involves maintaining a continuous descent from cruise altitude to the runway, minimizing the need for engine thrust and reducing noise and emissions.
2. Familiarize yourself with the specific procedures and guidelines related to CDO that are applicable in your aircraft and airline. These guidelines can vary between operators, so it is important to follow the procedures outlined in your company's manuals.
3. Before starting the descent, gather all relevant information, including the current weather conditions, runway configuration, and any air traffic control instructions. This information will aid you in planning an efficient CDO.
4. Calculate the estimated top of descent (TOD) point based on factors such as the distance to the destination, aircraft weight, and fuel consumption. This calculation ensures that you can initiate the descent at the appropriate time to achieve the desired continuous descent.
5. Begin the descent by reducing engine thrust and adjusting the aircraft's pitch to maintain a steady descent rate. It is crucial to ensure a smooth and controlled descent to avoid any fluctuations or sudden changes in altitude.
6. Continuously monitor the aircraft's descent performance and adjust accordingly. Use the aircraft's onboard instruments and navigation aids to maintain the desired descent path, while keeping an eye on any air traffic control instructions or airspace restrictions that may require adjustments to the descent profile.
7. Communicate with air traffic control, following their instructions and coordinating the descent as necessary. Effective communication is essential for a successful CDO, as it allows for proper sequencing and spacing of aircraft during the descent phase.
8. Once approaching the landing runway, transition from the descent phase into the final approach phase following the established instrument landing system (ILS) or other approach procedures.
9. Complete the landing safely and efficiently, adhering to standard operating procedures and runway requirements.

Who needs Continuous Descent Operations (CDO)?

1. Airlines and aircraft operators that prioritize fuel efficiency and environmental sustainability can benefit from implementing CDO. By reducing unnecessary engine thrust and maintaining a continuous descent, CDO helps reduce fuel consumption, emissions, and noise pollution.
2. Airports located in densely populated areas or near noise-sensitive communities often have regulations or voluntary programs promoting the use of CDO. By adopting CDO procedures, airlines can contribute to mitigating the environmental impact of aircraft operations and fulfill their obligations as responsible stakeholders.
3. Air traffic control entities and aviation authorities play a crucial role in implementing and coordinating CDO procedures. By working in collaboration with airlines and pilots, they can ensure the safe and effective utilization of CDO techniques, resulting in optimized airspace utilization and reduced overall environmental impact.

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What is continuous descent operations cdo?

Continuous Descent Operations (CDO) is an aircraft operating technique that allows for a continuous descent profile to the runway, which helps reduce fuel consumption, noise, and emissions.

Who is required to file continuous descent operations cdo?

Airlines and aircraft operators who wish to utilize Continuous Descent Operations (CDO) are required to file for approval with the appropriate aviation authority.

How to fill out continuous descent operations cdo?

To fill out Continuous Descent Operations (CDO), airlines and operators must submit a detailed operational plan outlining the procedures and requirements for implementing CDO during descent approaches.

What is the purpose of continuous descent operations cdo?

The purpose of Continuous Descent Operations (CDO) is to optimize aircraft descents, leading to reduced fuel burn, lower emissions, and decreased noise pollution in surrounding communities.

What information must be reported on continuous descent operations cdo?

Information reported on Continuous Descent Operations (CDO) may include details on flight procedures, aircraft type, descent profiles, and expected fuel savings.