Descripción del Accidente ASN 07 SEP 2019 ATR 72-212A (ATR 72-600) HK-5041

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Estado:	Accident investigation report completed and information captured
Fecha:	s�bado 7 septiembre 2019
Hora:	11:07
Tipo:	ATR 72-212A (ATR 72-600)
Operator:	Regional Express Américas
On behalf of:	Avianca
Registración:	HK-5041
Numéro de série:	1160
Año de Construcción:	2014-06-27 (5 years 2 months)
Horas Totales de la Célula:	7946
Ciclos:	11024
Motores:	2 Pratt & Whitney Canada PW127N
Tripulación:	Fatalidades: 0 / Ocupantes: 5
Pasajeros:	Fatalidades: 0 / Ocupantes: 49
Total:	Fatalidades: 0 / Ocupantes: 54
Daños en la Aeronave:	Considerable
Consecuencias:	Repaired
Ubicación:	Manizales-La Nubia Airport (MZL) ( Colombia)
Fase:	Aterrizaje (LDG)
Naturaleza:	Vuelo Doméstico Programado
Aeropuerto de Salida:	Bogotá-Eldorado Airport (BOG/SKBO), Colombia
Aeropuerto de Llegada:	Manizales-La Nubia Airport (MZL/SKMZ), Colombia
Número de Vuelo:	AV4852

Descripción:
Avianca Flight AV4852, an ATR 72-600, suffered a tailstrike on landing on runway 10 at Manizales Airport, Colombia.
Over the runway threshold the aircraft suddenly sank and the rear fuselage impacted the runway. The aircraft landed and rolled out normally to the parking position. Touchdown was registered at +2.73 G.

Probable Cause:

Causa(s) probable(s)
Contacto anormal con la pista, consistente en el golpe de la sección ventral del empenaje contra la pista (tail strike) durante el aterrizaje.
Cabeceo de la aeronave hacia abajo, inducido por la tripulación, a una altura aproximada de 100 pies AGL, sumado a una reducción de potencia de los motores hasta un 3%, que generó la pérdida gradual de altura y de sustentación en la fase final de la aproximación y el contacto fuerte con la pista (hard landing).
Cabeceo de la aeronave hacia arriba, inducido por la tripulación, por encima de 9.4°, ante la pérdida de altura en el último segmento de la aproximación final, el cual produjo el golpe de la sección ventral del empenaje (tail strike) contra la pista.
Factor contribuyente
Las condiciones de viento de cola en el momento del aterrizaje y la elevada altitud por densidad del aeródromo, que hicieron aumentar la velocidad de tierra (GS) de la aeronave.

Accident investigation:

Investigating agency:	Aerocivil
Status:	Investigation completed
Duration:	1 year
Accident number:	COL-19-46-GIA
Download report:	Final report

Fuentes:

» BEA
» lapatria.com

METAR Weather report:

16:00 UTC / 11:00 local time:
SKMZ 071600Z 26005KT 9999 SCT040 21/12 A3033 RMK HZ/W

17:00 UTC / 12:00 local time:
SKMZ 071700Z 31007KT 9999 SCT050 21/13 A3032 RMK HZ/W

Subsiguiente / acciones de seguridad

Aerocivil issued 8 Safety Recommendations

Issued: --	To: Regional Express	REC. 01-201946-1
Define and harmonize the company\'s organizational structure, modifying administrative, technical and operational documentation across the board. Define, among others, the organic composition of the SMS Coordination within the organization.
Issued: --	To: Regional Express	REC. 02-201946-1
Establish stricter operational policies related to the selection, supervision and permanent surveillance of Pilots performing operations to aerodromes that require special flight criteria. Reinforce procedures on crewmembers and, if applicable, select exclusive personnel for operations to and from SKMZ.
Issued: --	To: Regional Express	REC. 03-201946-1
Modify cross-cutting policies and procedures regarding alcohol and drug testing to ensure human performance analysis of aircrews and associated personnel during incidents.
Issued: --	To: Regional Express	REC. 04-201946-1
Expose this final report to the company\'s crews, and analyze and review the risk factors present in approaches to special airports such as La Nubia, so that crews can anticipate dangerous situations and apply corrective measures in a timely manner.
Issued: --	To: Aerocivil	REC. 05-201946-1
Through the Secretariat of Operational Safety and Civil Aviation, study the condition of duplicity of the "aiming point" of the runway at La Nubia airfield, and coordinate with the airfield operator the re-demarcation of the runway.
Issued: --	To: Aerocivil	REC. 06-201946-1
Through the Operational Systems Secretariat, establish a more efficient, effective and expeditious protocol for the delivery of communications recordings, videos or RADAR photos, and other ATS records and documentation, material that is essential for the investigation of aviation incidents, as established in RAC 114.320 and 114.435.
Issued: --	To: Aerocivil	REC. 07-201946-1
Through the Operational Systems Secretariat, include in the Aeronautical Information Publication (AIP) of Colombia, the information of the profile of runway 10/28 of La Nubia aerodrome in the city of Manizales.
Issued: --	To: Aerocivil	REC. 08-201946-1
Through the Secretariat of Operational Safety and Civil Aviation make this Investigation Report known to the Regular Passenger Transportation companies that operate to and from the Manizales aerodrome, with the ATR 72 equipment, so that they implement the recommendations, as appropriate, and take the Report into account to improve the Operational Safety Management Systems.

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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Bogotá-Eldorado Airport to Manizales-La Nubia Airport as the crow flies is 150 km (94 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.

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