Airframe & System Upgrades

AS365
Sand filter installation
SB number : AS365-71-60-02 (R00)
Applicable to version(s) : N2, N3
The purpose of this upgrade is to protect the engines against sand infiltrations which may cause premature wear of blading.
The dynamic sand filters are designed to protect the turboshaft engines in sand-laden air, thus preventing premature wear of compressor blades.
This upgrade consists in:
- modifying the firewalls (ALL CONFS),
- installing the electrical wiring (ALL CONFS),
- replacing the MGB cowlings and modifying the removable engine cowlings (ALL CONFS),
- modifying the P2 air system (ALL CONFS).
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4.625 kg

On Request

14 day(s)

Benefits

  • Reduces engine premature ageing.
  • Protects against falling snow absorption.
  • Self-cleaning system.
  • Reduces direct maintenance cost.

PRE-POST REQUISITE / EFFECTIVITY

Not applicable.

INSTALLATION TIME
QUALIFICATION INSTALLATION DURATION
Electrical 14 Hour(s)
Airframe 90 Hour(s)

ADDITIONAL INFORMATION : Corresponds to modifications 365R001079.00, 365R001079.01 and 365R001079.02. The “Sand prevention filters, dynamic type installation” does affect the aircraft flight performance. Please refer to the appropriate section of the Basic Flight Manual and Supplements.

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Technical filtering assistant
CONFIGURATION MATRIX
CONFIGURATION PRE-POST MOD STATUS  
1 Helicopter version N2, PRE MOD 365R001079.00 This is my configuration
2 PRE MOD 0722B61, PRE MOD 365R001079.01, Helicopter version N3, PRE MOD 0739C60 This is my configuration
3 POST MOD 0722B61, PRE MOD 365R001079.02, Helicopter version N3, POST MOD 0739C60 This is my configuration
4 POST MOD 0739C66, Helicopter version N3, POST MOD 0739C60, POST MOD 0722B61, PRE MOD 365R001079.02 This is my configuration
5 POST MOD 365P088905.10, POST MOD 0739C66, Helicopter version N3, POST MOD 0739C60, POST MOD 0722B61, PRE MOD 365R001079.02 This is my configuration

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