Kerosine drop through Palatinate Forest: Security or Environmental Risk?

A Cargolux-Boeing 747 left Kerosin on April 28, 2025 via Kaiserslautern to land safely. Technical problems were the reason.
A Cargolux-Boeing 747 left Kerosin on April 28, 2025 via Kaiserslautern to land safely. Technical problems were the reason. (Symbolbild/ANAG)

Kerosine drop through Palatinate Forest: Security or Environmental Risk?

In the early Sunday evening of April 28, 2025, a Boeing 747 of the cargo airline Cargolux from Luxembourg had technical problems and had to turn back to Dubai during her flight. The plane started in Luxembourg around 5:30 p.m. when the pilot reported the difficulty shortly after the start and asked for a return to the starting airport. In order to ensure the safe landing in Luxembourg, it was necessary to let go of 49 tons of kerosene. This drainage took place at a height of 13,000 feet, almost 4 kilometers, between Eppelborn and Enkenbach-Alsenborn, between 5:50 p.m. and 6:30 p.m. After the machine had drained the fuel, it was finally able to land in Luxembourg.

This situation, which ended thanks to the quick reaction of the crew without incident, triggered some concerns in the region. However, the Federal Environment Agency explained that most of the drained fuel flies shortly after drafting and therefore does not pose any danger to people and the environment. Despite the upcoming uncertainties as a result of the incident, the authority calmed down the residents with the information that this type of fuel rapid drainage is a common practice in air, which serves the security reasons.

technical backgrounds and security protocols

Technical problems on an aircraft or acute medical emergencies can lead to an early termination of a flight. In such cases, draining kerosene is a necessary measure to ensure security when approaching landing. The fuel breakdown is at least 1,800 meters, with the kerosene being atomized in fine droplets in order to enable evaporation. All of this happens with the aim of making air traffic safely.

The Federal Environment Agency had already examined the effects of fuel quickly on the environment in a position paper in a position paper. According to the findings of this report, fuel rapids can be classified as uncritical to people and the environment. This assessment is based on various research projects that also examined worst-case scenarios and realistic scenarios.

recommendations for the future

In the course of the current development, the Federal Environment Agency also recommends an increase in the minimum flight height for such indulgence processes from 6,000 to 10,000 feet (approx. 3,000 meters). This measure aims to reduce the kerosene components that could reach the ground. In addition, the recommendations should be integrated into the operating instructions of German air traffic control in order to make the indulgence areas more secure.

The Federal Environment Agency also takes into account legal issues that were dealt with as part of research projects. It is also important to continuously check and adapt the assessments of health and environment to ensure the best possible practices in air traffic. Further information can be found in the documents of the UBA and in the more comprehensive reports on fuel -quick discounts published on the websites of the responsible authorities. The incident above the West Palatinate shows once again how important an informed public and transparent communication are.

For detailed information and backgrounds on the latest developments, it is advisable to pursue the reporting of [SWR]. The [Federal Environment Agency] also offers additional information, which provides numerous studies on similar incidents.

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