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For planning purposes only

EXPORT CLASSIFICATION

PROPRIETARY NOTICEThis document is the property of Pratt & Whitney Canada Corp. (“P&WC”). You may not possess, use, copy or disclose this document or any information in it, for any purpose, including without limitation to design, manufacture, or repair parts, or obtain TCCA, FAA, or other government approval to do so, without P&WC's express written permission. Neither receipt nor possession of this document alone, from any source, constitutes such permission. Possession, use, copying or disclosure by anyone without P&WC's express written permission is not authorized and may result in criminal or civil liability.

Export Control Classification

Contains no Technical Data ( X )

* Data is subject to the jurisdiction of the Export and Import Controls Bureau of the Department of Foreign Affairs and International Trade of Canada, Department of Commerce of the and/or Department of State of the .** Data is not subject to the jurisdiction of the Department of Commerce of the or Department of State of the but would become subject if exposed to any involvement.

RegulationClassification

Number

Canadian ECL(s)*      

ECCN(s)*      

P-ECCN(s)**   9E991 

USML(ITAR)*      

P-USML**      

Date: 07 Oct 2013Badge: P 917532

Export Classification: No Technical Data P&WC Proprietary Information

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For planning purposes only

PT6 Engine DevelopmentPT6A Highlights (as of Q3 2013)

Total Produced

42,718Flying Population

~22,332Certified PT6A Models

70Total hours flown

347.87 Million Hrs.

High Time Engine

51,501 (PT6A-28)Highest TBO

13,000 (PT6A-67D)

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For planning purposes only

PT6A Engine Reliability Terminology

Key Rates BIFSD (Basic In Flight Shut Down)BUR (Basic Unplanned Removal)

“Basic” – event can be directly linked to the engine design or manufacture

“Non-Basic” – event cannot be linked to the engine design or manufacture (e.g. weather, pilot

induced, etc.)

Standard is to use 06 month rolling average# events / 06 month fleet running time

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For planning purposes only

PT6A-34Global Activity and Reliability

• Entered into service : 1966• Flying population : 669• Fleet hours : 20.9 Mil • Fleet hours per year + 450000 Hrs• High time engine: 42,412 Hrs• Number of operators: 274• Basic TBO 4000• High Time TBO 8000• Basic Unplanned Removal 0.008• Basic In-flight Shutdown 0.004• Total In-flight Shutdown 0.004

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