Scheduled Maintenance Certain website applications will experience temporary unavailability starting from 9:30 PM EST on March 15th through March 16th 9:00 PM EST, including Technical Publications. We appreciate your patience as we implement exciting enhancements and features to enhance your digital experience with Honeywell.
Scheduled Maintenance On Thursday 04/18 from 4:00 AM to 6:00 AM EST and Friday 04/20 from 1:00 AM to 2:00 AM EST, Technical Publications App will be unavailable as we prepare for the introduction of exciting new features. We appreciate your patience as we strive to enhance the Aero portal experience.

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Tech Support On Call
Tech Support On Call

Honeywell Support Center

AOG Support

In the event of an AOG - Next scheduled flight < 5 days, MEL Expiration Date < 5 days, or Return to Service is < 5 days, please contact
and/or by phone: 1-800-601-3099 (US/Canada) 1-602-365-3099 (International) Option #4, or via the portal

Please ensure you have the following information when contacting our AOG Team:

  • Aircraft Make, Model & Serial Number
  • Aircraft Tail / Registration Number
  • Operator / End-User Name & Address
  • Location of Ground Aircraft
  • Next Scheduled Flight / Minimum Equipment List (MEL) Expiration Date
  • Failed Part Number (and Serial number if applicable)
  • Any additional details regarding the aircraft's current situation

MSP Administration Support

For contract administration, including all matters related to reporting, payment, or administration of your MSP contract regarding Engines and APU, please get in touch with; you can also call us at 1-602-365-6442 option 2.

Inquiries relative to Engine and APU extensions, renewals, and transfers, please get in touch with or at 1-602-365-6442 option #3.

Questions and/or support are needed for Avionics and Mechanical Components; please contact or at 1-602-365-6441 option #2.


How to report hours along with View Invoices & Make Payment?

This activity can be conducted on our portal, and the following links will direct you:

Report Hours

View Invoices and Make Payment

Technical Support

Visit our portal at Aerospace Technical Support (

By Phone: 1-855-808-6500 (US/Canada) 1-602-365-6500 (International).
Press #1 for Avionics or #2 for Mechanical.

Authorized Service Center

Honeywell has an extensive service center network and we recommend leveraging this capable, professional group of providers to address your needs.

Authorized Sales & Service Partners (

Additional Contact Support

Where can I contact Regional Customer Support Manager?

Please leverage the Rep Locator Tool to locate your assigned Honeywell Regional Customer Manager.

Rep Locator (

What should I do to contact Online Help Center?

For frequently asked questions and self-help resources, we encourage you to visit our Online Help Center at Contact Us (

Here, you'll find a comprehensive knowledge base that covers a wide range of topics.

It's a great starting point to find answers to common queries such as:

Account Registration

How do I reset my password? (

MSP Sales Team

Download the MSP Regional Sales Team Contact Map

With Maintenance Service Plan from Honeywell on your side, you have all the tools you need to handle unforeseen issues and keep your aircraft in service – without breaking the bank.  Americas, EMEAI and APAC teams are ready for you.