Nuremberg airport shut down Tuesday after a Corendon Airlines flight from Corfu transmitted an emergency code before landing. Eurofighter jets scrambled to escort the aircraft, police cordoned the airport, and six flights were delayed while two inbound planes diverted to Cologne and Prague. The airline later attributed the signal to a technical malfunction. Authorities confirmed no actual threat. Separately that same morning, three pilots independently reported a possible drone near the airport during takeoff or landing. A police helicopter search found nothing. Whether the two incidents were connected remained unclear at the time of the all-clear. The episode fits a now-familiar pattern at German airports. In August, an explosives-laden drone was discovered near a runway at Leipzig/Halle. In May, a suspected drone sighting halted Munich airport for about an hour, forcing more than 20 aircraft to divert — again, no drone was found. Each incident triggers the same expensive response: scrambled military assets, grounded commercial flights, helicopter searches, and eventual all-clears with no confirmed threat. The structural problem is detection. German airports keep responding to phantom or unverifiable sightings with full-scale shutdowns because they cannot quickly confirm or rule out a drone's presence. Pilot eyewitness reports remain the primary sensor, and those reports are unreliable enough that most searches come up empty. The cost falls on passengers, airlines, and the public purse through military scrambles. Corendon Airlines' technical malfunction raises a separate question about transponder reliability on budget carriers, but the real systemic issue is the drone-detection void. Counter-UAS technology exists — radar-based, RF-sensing, and electro-optical systems are deployed at airports in other countries — but German airports have not standardized it. The Leipzig incident in August showed the threat is not hypothetical; an actual explosives-laden drone reached runway proximity. Every false alarm that produces no policy change makes the system more brittle, not less, because it trains operators toward complacency while leaving the detection gap open. Nuremberg resumed normal operations Tuesday. The underlying vulnerability did not.