It was a routine summer afternoon at Denver International Airport. A United Airlines Boeing 737 was lining up for landing, its 137 passengers and crew bracing for touchdown. Then, the pilot saw it: a small, dark object drifting directly in the path of the aircraft. The pilot executed a rapid evasive maneuver, pulling the nose up and to the left. The object—later confirmed to be a consumer-grade drone—passed less than 100 feet from the right wingtip. The incident, which occurred on July 18, 2024, was classified by the Federal Aviation Administration as a "near-midair collision." No one was hurt, but the event has reignited a critical debate about the safety of our increasingly crowded skies.
Why this near-miss matters more than you think
This wasn’t just a close call; it was a wake-up call. A midair collision between a commercial jet and a drone could be catastrophic. Unlike a bird strike, which can damage an engine but rarely causes a crash, a drone contains dense lithium-ion batteries, metal rotors, and carbon fiber components. Engineers at the FAA’s William J. Hughes Technical Center have tested collisions with drone parts and found they can shatter aircraft windshields, penetrate engine fan blades, and even sever critical control cables. The Denver incident is especially alarming because it happened in a controlled airspace where drones are legally prohibited. The pilot’s quick reaction likely saved lives, but it also demonstrated just how little time exists to react when a small drone appears at 3,000 feet.
The legal landscape: a patchwork of rules and loopholes
Current FAA regulations require that all drones be registered and that pilots keep their aircraft within visual line of sight, below 400 feet, and away from airports. But enforcement is notoriously difficult. The drone operator in the Denver case was never identified, and no arrest was made. The FAA relies heavily on voluntary reporting and public tips, but with an estimated 1.7 million consumer drones now in U.S. airspace, the agency is simply outmatched. Even advanced counter-drone technologies—like radio frequency jammers or drone detection radars—are largely restricted for use by law enforcement due to privacy and spectrum laws. Airports themselves have begun testing automated detection systems, but these are expensive and not yet standard.
Pilot training: the unsung hero
One of the most overlooked aspects of this story is the role of pilot training. United Airlines, like most major carriers, puts its pilots through rigorous "threat and error management" simulations that include drone encounters. The pilot in Denver was able to recognize the object, assess the risk, and execute a maneuver within seconds—a skill that is not innate but drilled. However, as drone sizes shrink and become harder to spot, even the best-trained pilots are at a disadvantage. The FAA currently does not require drone operators to broadcast their position, so there is no electronic warning for pilots. This means that visual spotting remains the first and often only line of defense.
The economic and social cost of drone near-misses
Beyond the immediate safety risk, these incidents have a ripple effect. After the Denver near-miss, United Airlines temporarily suspended flights on that specific approach path, causing delays for hundreds of passengers. Airports have also reported increased insurance premiums and operational costs as they invest in drone surveillance. For the drone industry, which is trying to expand into delivery, agriculture, and infrastructure inspection, each high-profile near-miss threatens public trust. A single catastrophic collision could lead to draconian regulations that stifle innovation for years. The FAA is now pushing for a "remote ID" system—essentially a digital license plate for drones—that would allow authorities to track operators in real time. But implementation has been delayed multiple times due to industry pushback and technical hurdles.
What you can do as a responsible drone pilot
If you own a drone, the rules are not suggestions. Always keep your drone under 400 feet and at least five miles away from any airport unless you have explicit authorization via the FAA’s LAANC system (Low Altitude Authorization and Notification Capability). Never fly near manned aircraft, even if you think they are too high to be a threat. A descending jet can appear suddenly. Also, register your drone—it’s cheap, legal, and helps authorities contact you if your drone is lost or identified in an incident. The vast majority of drone pilots are law-abiding, but a small minority of reckless operators are putting everyone at risk.
The future: technology as both the problem and the solution
Ironically, the same technology that makes drones dangerous also offers a path to safety. Companies like DJI and Skydio are now embedding geofencing software that automatically prevents drones from entering restricted airspace. Newer models also include ADS-B receivers, the same system used by commercial planes to broadcast their positions, allowing the drone to automatically avoid manned aircraft. But these features are not yet standard on all drones—especially older, cheaper models that are still widely sold online. The FAA is also experimenting with "detect and avoid" systems that could be integrated into future drone traffic management networks. But until these technologies are universal, the responsibility remains on the human operator.
The Denver near-miss was a stark reminder that the skies are no longer empty. They are shared by massive airliners, tiny drones, and everything in between. One pilot’s quick reflexes averted disaster, but we cannot rely on heroics forever. The next close call might not have a happy ending. Until we close the enforcement gap, embrace remote ID, and equip every drone with smart avoidance systems, every flight carries an invisible risk. The question is not if another near-miss will happen, but whether we will act before one becomes a tragedy.
Ahmed Abed – News journalist