Fatal Robinson R44 Astro Collision with Power Line on A6

Incident Overview and Flight Details On 10 January 2013, a Robinson Helicopter Company R44 Astro helicopter was involved in a fatal accident on the A6 motorway near the Schwäbisch Hall junction. The aircraft, a single-engine, four-seat light multi-purpose helicopter, was being flown from Augsburg Airport to a private helipad in Langenbrettach/Langenbeutingen after an annual inspection. The pilot departed Augsburg at approximately 15:42 local time. GPS data indicated the helicopter initially flew directly toward Langenbrettach at about 300 ft AGL. The pilot later changed course, flying via Nördlingen and Wallerstein, following the B25 road and then the A7 and A6 motorways. During the final approach to the accident site, the helicopter was flying at less than 200 ft AGL with an average speed of about 100 kt. After a flight distance of 166 km, the helicopter collided with a 24 m high power line spanning the A6 at approximately 16:38 local time, traveling at about 95 kt. ## Aircraft and Pilot Information The accident aircraft was a 1994-built R44 Astro with serial number 0109. It was powered by a Lycoming IO-540-F1B5 piston engine and had a total operating time of approximately 2,717 hours. The pilot was a 42-year-old holder of a German private pilot license for helicopters, valid until 20 July 2015, with a type rating for the R44. He held a Class 2 medical certificate valid until 16 April 2013. The pilot's personal logbook was not recovered, likely burned in the accident. According to former flight instructor and aircraft owner statements, the pilot had approximately 127 hours of helicopter experience. ## Meteorological and Operational Context Weather conditions along the flight route were described by witnesses as foggy, hazy, or dim, with visibility between 100 and 200 m. The German Weather Service reported low stratus clouds south of the Mosel and Main rivers, with cloud bases at 200–600 ft AGL. The GAFOR forecast indicated X-Ray conditions (ground visibility under 1.5 km and/or cloud base below 500 ft AGL) in the areas flown. At the time of the accident, the nearby Niederstetten military airfield reported visibility of 600 m in fog. The helicopter was equipped with a Garmin 695 GPS, which was used for navigation. The pilot had prepared a printed flight log and two printed aeronautical chart excerpts with the planned route for the flight date. ## Accident Sequence and Findings Witnesses observed the helicopter rotating around its vertical axis after colliding with the power line, with sparks and fire. The aircraft crashed onto the A6, and debris struck a truck and a car. The helicopter burned out after impact. The pilot was fatally injured. The accident site was on the A6 eastbound at kilometer 678, with wreckage scattered over approximately 192 m. The tail assembly with the tail rotor was torn off and lay about 90 m from the main wreckage. Collision marks with the power line were found on the tail and main rotor blades. The power line was a 110-kV railway power line, with a 29 m lattice mast located directly north of the motorway. ## Investigation and Regulatory Context The investigation was conducted by the German Federal Bureau of Aircraft Accident Investigation (BFU) and was summarily closed under § 18 FlUUG, presenting only the facts. The aircraft was not equipped with a flight data recorder or cockpit voice recorder, as these were not required by applicable regulations. The BFU noted that the helicopter owner had offered sightseeing flights and other helicopter services, including wedding flights, without a commercial air transport license. The pilot did not hold a commercial pilot license. The Stuttgart Regional Authority reviewed the aircraft's use and licensing practices following the accident.