Airframe & System Upgrades

AS365
Health & Usage Monitoring System (HUMS)
SB number : AS365-45-60-01 (R00)
Applicable to version(s) : N3
The Health Usage Monitoring System (HUMS) records the status of critical systems and components on your helicopter. The objective is to detect at an early stage progressive defects.
The HUMS system is using sensors installed throughout the airframe. This material is linked to a central computer unit with a data recording and storage system. This is allowing the support to identify if the helicopter is likely to develop faults that would need an intervention. This system is monitoring the health of all significant vibrating and spinning parts such as engines, gearboxes, shafts, fans, rotor systems etc. Thanks to the record of all of these data, the maintenance of the helicopter can be proactively performed.
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+10.7 kg

+6.4 m.kg

15 day(s)

Benefits

  • Maintenance flights are not required anymore.
  • Mission aborts reduction.
  • Flight safety improvement.
  • Improved Helicopter
  • Fuel consumption reduction.
  • AOG rate reduction.
  • Help to define what rectification can be applied to avoid immediate effect on operational safety.

PRE-POST REQUISITE / EFFECTIVITY

Not Applicable.

INSTALLATION TIME
QUALIFICATION INSTALLATION DURATION
Airframe, Systems 30 Hour(s)
Avionic, Electrical 55 Hour(s)
Airframe, Structure 30 Hour(s)
Pilot, Functional Check 1 Hour(s)

ADDITIONAL INFORMATION : As a complement of “UMS”, the “HUMS” is controlled using the same control unit and the data are downloaded using the same DTU. In addition, it comprises the following main equipment: - Accelerometers located on the different sub-assemblies to monitor vibrations: shafts, bearings, gearboxes (main, intermediate and tail), main and tail rotor, - Accelerometers located on the floor for rotor tuning, - A Vibration Processing Unit (VPU), allowing the acquisition of vibratory data, which are processed by the MFDAU++, - Main and tail rotor magnetic top.

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CONFIGURATION MATRIX
CONFIGURATION PRE-POST MOD STATUS  
1 PRE MOD 0722B61, PRE MOD OP31B53, Equipped with a swashplate assembly P/N 365A31-1109-14X with a stationary star P/N 365A31-1101-17, POST MOD 0764B46 / 0764B48, POST MOD OP31B50, POST MOD OP31B49, POST MOD OP31B51 This is my configuration
2 Equipped with a swashplate assembly P/N 365A31-1109-14X with a stationary star P/N 365A31-1101-17, POST MOD 0764B46 / 0764B48, POST MOD OP31B50, POST MOD 0731B58 or MOD 0739C57, POST MOD OP31B51, PRE MOD 0722B61, PRE MOD OP31B53 This is my configuration
3 POST MOD OP31B51, PRE MOD 0722B61, PRE MOD OP31B53, Equipped with a swashplate assembly P/N 365A31-1109-14X with a stationary star P/N 365A31-1101-17, POST MOD 0764B46 / 0764B48, POST MOD OP31B50 This is my configuration
4 POST MOD 0731B66, POST MOD 0731B66, POST MOD 0722B61, Equipped with a swashplate assembly P/N 365A31-1109-14X with a stationary star P/N 365A31-1101-17, POST MOD 0731B70, POST MOD 0764B46 / 0764B48, POST MOD 0731B74 This is my configuration
5 POST MOD 0731B66, POST MOD 0722B61, POST MOD 0731B70, Equipped with a swashplate assembly P/N 365A31-1109-14X with a stationary star P/N 365A31-1101-17, POST MOD 0764B46 / 0764B48, PRE MOD 0731B74, POST MOD 0731B66 This is my configuration

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