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CICIAIAIACAC COMISIÓN DE INVESTIGACIÓN DE ACCIDENTES E INCIDENTES DE AVIACIÓN CIVIL Report ULM A-006/2017 Accident involving a Tecnam P96 G 100 aircraft, registration EC-ZGK, in the vicinity of the Loring airfield (El Molar, Madrid, Spain) on 31 March 2017 Informe técnico ULM A-006/2017 Accident involving a Tecnam P96 G 100 aircraft, regis- tration EC-ZGK, in the vicinity of the Loring airfield (El Molar, Madrid, Spain) on 31 March 2017 SUBSECRETARÍA GOBIERNO MINISTERIO DE ESPAÑA DE FOMENTO COMISIÓN DE INVESTIGACIÓN DE ACCIDENTES E INCIDENTES DE AVIACIÓN CIVIL © Ministerio de Fomento Secretaría General Técnica Centro de Publicaciones NIPO Línea: 161-18-117-5 NIPO Papel: 161-18-116-X Deposito Legal: M-14040-2018 Maquetación: David García Arcos Impresión: Centro de Publicaciones COMISIÓN DE INVESTIGACIÓN DE ACCIDENTES E INCIDENTES DE AVIACIÓN CIVIL Tel.: +34 91 597 89 63 E-mail: [email protected] C/ Fruela, 6 Fax: +34 91 463 55 35 http://www.ciaiac.es 28011 Madrid (España) Foreword This report is a technical document that reflects the point of view of the Civil Aviation Accident and Incident Investigation Commission (CIAIAC) regarding the circumstances of the accident object of the investigation, and its probable causes and consequences. In accordance with the provisions in Article 5.4.1 of Annex 13 of the International Civil Aviation Convention; and with articles 5.5 of Regulation (UE) nº 996/2010, of the European Parliament and the Council, of 20 October 2010; Article 15 of Law 21/2003 on Air Safety and articles 1., 4. and 21.2 of Regulation 389/1998, this investigation is exclusively of a technical nature, and its objective is the prevention of future civil aviation accidents and incidents by issuing, if necessary, safety recommendations to prevent from their reoccurrence. The investigation is not pointed to establish blame or liability whatsoever, and it’s not prejudging the possible decision taken by the judicial authorities. Therefore, and according to above norms and regulations, the investigation was carried out using procedures not necessarily subject to the guarantees and rights usually used for the evidences in a judicial process. Consequently, any use of this report for purposes other than that of preventing future accidents may lead to erroneous conclusions or interpretations. This report was originally issued in Spanish. This English translation is provided for information purposes only. Report ULM A-006/2017 Index ABBREVIATIONS ............................................................................................................................ v Synopsis ......................................................................................................................................... vi 1. FACTUAL INFORMATION ....................................................................................................... 1 1.1 History of the flight ........................................................................................................ 1 1.2 Injuries to persons .......................................................................................................... 3 1.3 Damage to aircraft ......................................................................................................... 3 1.4 Other damage................................................................................................................ 3 1.5 Personnel information .................................................................................................... 3 1.5.1 Information on the aircraft’s pilot .......................................................................... 3 1.6 Aircraft information ....................................................................................................... 4 1.6.1 System for opening and closing the engine cover .................................................. 4 1.7. Meteorological information ............................................................................................ 5 1.8 Aids to navigation .......................................................................................................... 5 1.9 Communications ............................................................................................................ 6 1.10 Aerodrome information ................................................................................................. 6 1.11 Flight recorders .............................................................................................................. 6 1.12 Wreckage and impact information ................................................................................. 6 1.13 Medical and pathological information ............................................................................ 9 1.14 Fire ................................................................................................................................ 9 1.15 Survival aspects .............................................................................................................. 9 1.16 Tests and research .......................................................................................................... 9 1.16.1. Eyewitness statements ...................................................................................... 9 1.17 Organizational and management information ................................................................ 11 1.18 Additional information ................................................................................................... 11 1.18.1. Flight Manual .................................................................................................... 11 1.19 Useful or effective investigation techniques .................................................................... 11 2. ANALYSIS ............................................................................................................................... 12 2.1 General aspects.............................................................................................................. 12 2.2 Of the wreckage ............................................................................................................ 12 2.3 Of the operation ............................................................................................................ 13 3. CONCLUSIONS ....................................................................................................................... 14 3.1 Findings ......................................................................................................................... 14 3.2 Causes/Contributing factors ........................................................................................... 14 iv Report ULM A-006/2017 Abbreviations ° ‘ “ Sexagesimal degrees, minutes and seconds °C Degrees centigrade AESA National Aviation Safety Agency GPS Global Positioning System h Hours hp Horsepower Km/h Kilometers per hour LT Local time m Meters N North UTC Coordinated Universal Time W West v Report ULM A-006/2017 Synopsis Operator: Private Aircraft: Tecnam P96 G 100, registration EC-ZGK Date and time of accident: 31 March 2017 at approx. 20:30 LT2 Site of accident: Vicinity of the Loring airfield in El Molar (Madrid, Spain). Persons onboard: 2 occupants, 1 pilot & 1 passenger. Both seriously injured. Type of flight: General Aviation-Private Phase of flight: Takeoff-Initial climb Date of approval: 20 December 2017 Summary of accident: On Friday 31 March 2017, a Tecnam P96 Golf 100 aircraft, registration EC-ZGK, suffered an accident while on a local flight in the vicinity of the Loring airfield in the town of El Molar. There were two persons onboard. After takeoff, as the aircraft was on the initial climb, the engine cover accidentally opened and the pilot decided to return to the airfield. Upon realizing he would not reach the field, he performed an emergency landing in a crop field. During the landing run, the aircraft impacted a stone wall, which caused it to flip over. The occupants were seriously injured and the aircraft sustained heavy damage. 2 All times in this report are local unless otherwise specified. On the date of the accident, local time was equivalent to UTC+2. vi Report ULM A-006/2017 1. FACTUAL INFORMATION 1.1 History of the flight On Friday 31 March 2017, a Tecnam P96 Golf 100 aircraft, registration EC-ZGK, took off from runway 24 at the Loring airfield with the intention of making a local flight with a planned duration of fewer than 15 minutes, departing from and landing at the same field. There were two occupants onboard. The pilot stated that they had delayed the departure to wait for the wind conditions to improve, as there had been strong winds all day. While they waited, the pilot and the passenger, who is also a pilot, checked the condition of the aircraft and the pilot conducted the pre-flight check. After taking off, and while turning left for the crosswind leg, at an altitude that the pilot estimated to be higher than 100 m, the engine cover began to open on the left side in the direction of motion, resulting in a constant and uncontrolled banging as the cover was bent from the front to the back. The pilot assessed the situation and fearing that the cover could strike the propeller, or that it might detach and impact the cockpit and the occupants, or the tail assembly, whose cloth elevator could easily have been damaged, he decided to cut the engine to reduce the cover’s motion and return to the runway without flaps. After completing the turn, he realized that