Technical Information

For civilian products AgustaWestland publishes additional information on a regular basis that is used to keep the customer informed regarding our services and products.

The Information Letters either refer cross product line or to a specific helicopter model.

Information Letters in .pdf format may be accessed through the following menu.

Furthermore to view the list of active AgustaBell 412 Service Instructions and download them in pdf format please refer to Download section

Title Revision Issue Datesort icon Subject Note
AW139-12-032 - 04/04/2012 New features for browser Amerigo© 3 for AW139 IETP. - - http://www.agustawestland.com/sites/default/files/rep_information_letters/AW139-12-032_0.pdf
GEN-12-026 - 17/02/2012 AgustaWestland expanding its worldwide network of Technical Representatives. - - http://www.agustawestland.com/sites/default/files/rep_information_letters/GEN-12-026_0.pdf
AW139-12-029 - 09/02/2012 AW139 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/AW139-12-029.pdf
A109S-12-022 - 09/02/2012 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109S-12-022.pdf
A109LUH-LOH-12-016 - 09/02/2012 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109LUH-LOH-12-016.pdf
A109E-12-035 - 09/02/2012 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109E-12-035.pdf
A109-12-027 - 09/02/2012 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109-12-027.pdf
A119-12-028 - 09/02/2012 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A119-12-028.pdf
AW109SP-12-008 - 09/02/2012 Product Improvements (4th Issue) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/AW109SP-12-008.pdf
AW139-12-030 - 09/02/2012 Professional Ground Station (PGS) Discovery, Vision & Analysis software upgrade and PGS support website - - http://www.agustawestland.com/sites/default/files/rep_information_letters/AW139-12-030_0.pdf
AW139-12-031 - 09/02/2012 AW139 PT6C-67C Engine Compressor Turbine Blade Rubs: Update on latest AgustaWestland and Pratt & Whitney Canada joint improvement actions - - http://www.agustawestland.com/sites/default/files/rep_information_letters/AW139-12-031.pdf
A109E-12-036 - 09/02/2012 Main Rotor Damper P/N 109-0111-06-103 (Time Between Overhaul) - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109E-12-036.pdf
A109E-12-037 - 09/02/2012 Engine Faults and System Status Codes Decoding Procedure - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109E-12-037.pdf
AW109SP-12-009 - 09/02/2012 Engine Faults and System Status Codes Decoding Procedure - - http://www.agustawestland.com/sites/default/files/rep_information_letters/AW109SP-12-009.pdf
A109S-12-023 - 09/02/2012 Engine Faults and System Status Codes Decoding Procedure - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109S-12-023.pdf
A109LUH/LOH-11-015 - 22/12/2011 New maintenance program for A109LUH/LOH Helicopters. - - http://www.agustawestland.com/sites/default/files/rep_information_letters/A109LUH_LOH-11-015.pdf
GEN-11-025 - 03/11/2011 Technical Bulletins Available Only In Myfleet. - - http://www.agustawestland.com/sites/default/files/rep_information_letters/GEN-11-025_0.pdf
GEN-11-024 - 20/07/2011 AN, MS, and NAS Standard hardware - - http://www.agustawestland.com/sites/default/files/rep_information_letters/GEN-11-024.pdf
GEN-11-022 - 05/07/2011 Form WMM : (W)arranty Claim (M)aintenance Work Order (M)alfunction Report - - http://www.agustawestland.com/sites/default/files/rep_information_letters/GEN-11-022.pdf
GEN-11-023 - 05/07/2011 Applicable documentation and Return Material Authorization for aircraft components to be returned to AgustaWestland. - - http://www.agustawestland.com/sites/default/files/rep_information_letters/GEN-11-023.pdf