Cubana E110 at Havana on Nov 28th 2020, gear up landing
Last Update: September 22, 2021 / 16:59:06 GMT/Zulu time
Incident Facts
Date of incident
Nov 28, 2020
Classification
Accident
Airline
Cubana
Flight number
CU-801
Departure
Nueva Gerona, Cuba
Destination
Havana, Cuba
Aircraft Registration
CU-T1541
Aircraft Type
Embraer EMB-110
ICAO Type Designator
E110
Airport ICAO Code
MUHA
Cuba's Civil Aviation Authority reported: "At 08:33L a Cubana de Aviacion Embraer 110, covering the route Geron-Havana, with 15 passengers and 4 crew on board, had a failure in the landing gears causing the the breakdown of the aircraft while landing at Havana Airport. There were no injuries. An investigation has been opened."
Ground observers reported the aircraft landed without gear being down.
On Sep 22nd 2021 Cuba's IACC released their final report in Spanish only (Original in compressed form directly off their website) (Editorial note: to serve the purpose of global prevention of the repeat of causes leading to an occurrence an additional timely release of all occurrence reports in the only world spanning aviation language English would be necessary, a Spanish only release does not achieve this purpose as set by ICAO annex 13 and just forces many aviators to waste much more time and effort each in trying to understand the circumstances leading to the occurrence. Aviators operating internationally are required to read/speak English besides their local language, investigators need to be able to read/write/speak English to communicate with their counterparts all around the globe).
The report concludes the most probable causes of the accident were:
the failure of the landing gear to extend to the down and locked position due to the failure of the flight crew to comply with operational standards set by the operator.
Contributing factors were:
- the lack of a warning for flap extension to 38 degrees (+/- 2 degrees) with a least one of the gear struts not in the locked position
- insufficient analysis of flights, using voice recorders, in a pro-active matter as established by the operator
The captain (ATPL, 17,877 hours total) was pilot flying, a first officer (ATPL, 1,480 hours total) was pilot monitoring.
The IACC reported the flight initially developed normally in compliance with standard operating procedures. Once in cruise the crew began communication outside the operation of the aircraft, which continued into the critical stages of the landing. The captain did not issue a "Gear Down" instruction nor was ever stated "Gear Down" or "Three Greens".
Examination of the landing gear post flight did not find any anomaly. However, a faulty connector was found which prevented the alarm to sound when the flaps were moved into landing position without all gear in position and locked.
The IACC analysed the crew was properly qualified and well rested, there were no influences that could have incapacitated the crew or impaired their performance. Weather, ATC, radio communication, aircraft as well as mass and balance were not factors. The landing gear worked as designed both in normal and emergency (alternate) mode. The gear indications worked as designed. The gear alarm worked as designed. However, no alarm occurred when the flaps were moved into landing position without the gear fully in its down and locked position due to the failure of a micro connector. The captain never commanded gear down nor was the gear status ever queried or stated. These omissions were caused by conversations in the cockpit that went beyond the operation of the aircraft even in the critical phases of approach and landing.
Related NOTAMs:
A4705/20 NOTAMN
Q) MUFH/QFALC/IV/NBO/A/000/999/2259N08225W003
A) MUHA B) 2011281405 C) 2011281800
E) AD CLSD
A4710/20 NOTAMN
Q) MUFH/QLAXX/IV/NBO/A/000/999/2259N08225W003
A) MUHA B) 2011281523 C) 2011281800
E) RWY 24 SALS NOT AVBL DUE DTHR
A4708/20 NOTAMN
Q) MUFH/QLPXX/IV/BO/A/000/999/2259N08225W003
A) MUHA B) 2011281501 C) 2011281800
E) RWY 24 PAPI NOT AVBL DUE DTHR
A4707/20 NOTAMN
Q) MUFH/QMTCM/IV/NBO/A/000/999/2259N08225W003
A) MUHA B) 2011281448 C) 2011281800
E) RWY 24 THR DISPLACED 1250M DUE WIP. MEN AND EQPT WORKING
DECLARED DIST:
RWY TORA TODA ASDA LDA
06 2750 2750 2750 2750
24 2750 2850 2810 2750
Metars:
MUHA 281455Z 11004KT 080V140 9000 FEW030 26/18 Q1018=
MUHA 281355Z 00000KT 9000 FEW025 22/22 Q1018=
MUHA 281255Z 00000KT 8000 FEW025 18/18 Q1017=
MUHA 281155Z VRB01KT 8000 FEW040 16/16 Q1017=
MUHA 281055Z 01003KT 7000 FEW030 17/17 Q1016=
MUHA 281039Z 00000KT 7000 FEW033 16/16 Q1016=
MUHA 281013Z 24003KT 9000 0700SW R06/0600V0800D R24/P2000N PRFG FEW030 16/16 Q1016=
MUHA 280955Z VRB02KT 9000 1000SW R06/1100VP2000D R24/P2000N PRFG FEW030 16/16 Q1016=
COR MUHA 280940Z 03002KT 9000 4400SW PRFG FEW030 17/17 Q1016=
MUHA 280909Z 03002KT 9000 4400SW PRFG FEW030 17/17 Q1016=
Incident Facts
Date of incident
Nov 28, 2020
Classification
Accident
Airline
Cubana
Flight number
CU-801
Departure
Nueva Gerona, Cuba
Destination
Havana, Cuba
Aircraft Registration
CU-T1541
Aircraft Type
Embraer EMB-110
ICAO Type Designator
E110
Airport ICAO Code
MUHA
This article is published under license from Avherald.com. © of text by Avherald.com.
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