What is CCM on Boeing 737? (Cargo Control Module)

The Boeing 737 is one of the most widely used aircraft in the world. As a reliable workhorse for airlines, it has undergone numerous upgrades and modifications over the years to meet the evolving needs of the aviation industry. One crucial component of the Boeing 737 is the Cargo Control Module (CCM), which plays a significant role in ensuring the efficient and safe transportation of cargo.

The Cargo Control Module, also known as the CCM, is a specialized system within the Boeing 737 that is responsible for managing various aspects related to cargo handling and control. It is an essential part of the overall cargo management system of the aircraft and ensures that cargo is loaded, secured, and unloaded properly.

Functionality and Features of the Cargo Control Module

The Cargo Control Module on the Boeing 737 incorporates several critical functionalities and features that contribute to the efficient operation of cargo handling. Let’s take a closer look at some of its key functions:

1. Cargo Loading and Unloading

The CCM enables smooth and systematic cargo loading and unloading processes. It provides the necessary controls and interfaces for ground personnel to safely load and unload cargo onto the aircraft. The module ensures that the cargo is distributed evenly across the aircraft and properly secured to prevent any shifting during flight. Additionally, it monitors the loading process to ensure that the weight and balance limits of the aircraft are not exceeded.

Furthermore, the Cargo Control Module incorporates sensors and indicators that provide real-time information about the status of the cargo doors. This enables ground personnel to quickly identify and resolve any issues related to the opening or closing of the doors during the cargo handling process.

2. Cargo Monitoring and Tracking

The CCM also facilitates the monitoring and tracking of cargo throughout the flight. It integrates with the aircraft’s overall avionics system and allows for continuous monitoring of various parameters, such as temperature, pressure, and humidity inside the cargo hold. This ensures that the cargo remains in optimal conditions during transportation.

Additionally, the Cargo Control Module provides real-time data about the location and status of each individual cargo container or pallet. This information is vital for both the airline and the ground handling crew to efficiently track and manage the cargo throughout its journey.

3. Cargo Security

Ensuring the security of cargo is of utmost importance in the aviation industry, and the Cargo Control Module plays a crucial role in this aspect. It incorporates various security features, such as surveillance systems and intrusion detection sensors, to prevent unauthorized access to the cargo hold. The module also interfaces with the aircraft’s security system, enabling the crew to monitor and control access to the cargo area from the flight deck.

Moreover, the Cargo Control Module integrates with the aircraft’s overall security management system, allowing for continuous monitoring and analysis of potential security threats related to the cargo. This helps ensure the safety and integrity of the cargo throughout the flight.


The Cargo Control Module (CCM) on the Boeing 737 is a crucial component for the efficient and safe transportation of cargo. It enables smooth cargo loading and unloading processes, provides real-time monitoring and tracking of cargo, and ensures the security of the cargo throughout the flight. The CCM’s functionalities and features contribute significantly to the overall cargo management system of the aircraft, ultimately benefiting airlines and passengers alike.

For More: What is EIU on Boeing 737? (Efis/Eicas Interface Unit)