How to maintain fuel hydrants on aircraft

There were delays in the departure of Kenya Airways flights at Jomo Kenyatta International Airport (JKIA) on Thursday morning.

The airline attributed the delays to maintenance work on the fuel hydrants, which took longer than expected.

The situation improved towards the morning.

“Our dedicated team is working tirelessly to restore our departure and arrival schedule by noon today and we thank you for your understanding and patience during this time,” KQ said.

Kenya Airways said its team was working hard to get departure and arrival schedules back in order by midday.

How to maintain fuel hydrants on aircraft

Fuel hydrants are an essential part of aircraft refueling systems at airports. They provide a safe and efficient way to deliver fuel to aircraft and ensure that aircraft are adequately fueled before takeoff. Proper maintenance of fuel hydrants is critical to the safe and reliable operation of these systems. This article describes best practices and procedures for maintaining fuel hydrants on aircraft.

1. Regular inspections

Regular inspections are essential to ensure that fuel hydrants are operating efficiently and safely. These inspections help identify wear, leaks, or other problems that could affect the system.

Regularly inspect hydrant connections, hoses and nozzles for signs of damage or leaks. Look for cracks, rust or corrosion that could compromise the integrity of the hydrant.

Perform regular pressure tests to ensure the system can handle the required fuel pressure without leaks.

Measure the flow rate during the refueling process to ensure that it meets the specifications set by the manufacturer and aviation standards.

2. Cleaning and maintenance

To prevent contamination and ensure proper fuel flow, it is important to keep fuel hydrants clean.

Cleaning process

• Clean the outside of fire hydrants regularly to remove dirt, debris and accumulated fuel residue. Use non-caustic cleaning agents to avoid damaging the fire hydrant surface.
• Flush the hydrant system regularly with a cleaning solution to remove any accumulated contaminants in the lines. This process will help prevent blockages and maintain fuel quality.
• Replace or clean filters regularly to ensure that contaminants do not enter the aircraft’s fuel system. A clogged filter can restrict fuel flow and cause engine performance problems.

3. Leak detection systems

The implementation of leak detection systems is crucial to detect leaks early and prevent environmental pollution.

Leak detection methods

• Train your personnel to visually monitor fuel hydrant areas for signs of leaks during the refueling process.
• Install electronic leak detection sensors that can alert operators to leaks in real time. These systems can help prevent significant fuel loss and environmental hazards.

4. Security controls and protocols

Safety is of utmost importance when handling tank hydrants. Establishing and following safety protocols will help prevent accidents and ensure the safety of personnel and aircraft.

Provide regular training to your personnel on the safe operation and maintenance of fuel hydrants. Ensure personnel are familiar with emergency procedures and the proper use of personal protective equipment (PPE).

Develop and communicate clear emergency procedures for dealing with fuel spills, fires, or other accidents involving fuel hydrants.

Post clearly visible safety signs around fuel hydrants to remind personnel of safety rules and potential hazards.

5. Documentation and recording

Accurate recording of maintenance activities is critical to regulatory compliance and operational efficiency.

Maintain detailed records of all inspection, cleaning and maintenance activities on fuel hydrants. This documentation will help track hydrant performance over time.

Document any incidents or leaks that occur and the corrective actions taken. This information is critical to identifying patterns and improving maintenance practices.

6. Cooperation with fuel suppliers

By working closely with fuel suppliers, you can ensure that fuel quality and hydrant maintenance meet industry standards.

Establish a relationship with fuel suppliers to monitor fuel quality and ensure it meets aviation standards. Request samples for testing if there are concerns about fuel contamination.

Work with fuel suppliers to provide joint training for personnel on the safe handling and maintenance of fuel hydrants.

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