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ECO EXPERTS

Need to modify an aircraft’s configuration?
Need a single point of contact for drawing updates?
Let ASU’s dedicated team of ECO specialists help.

We’ve done thousands of ECOs and can make the process painless for you. We take the weight off your shoulders and get you back in the air as quickly as possible. A typical ECO with us takes one to three weeks, depending on the scope of requested changes.

An Engineering Change Order (ECO) can be used to make minor changes such as:

  • Equipment relocation
  • Adding new previously approved equipment
  • Wiring/electrical changes
  • Updating of lighting system
  • Updating depictions of aircraft equipment

Get started today by completing our ECO Request Form. You’ll email this form, aircraft photos and marked up ICA appendices to us. We’ll get back to you with a quote right away. Usually within 1 business day.

We’ll work with you to ensure we’ve captured your desired changes before updating the drawings. Once you’ve approved, we do all the paperwork and submit to the FAA for approval. Afterwards you’ll have final drawings and approved ECO for your records.

Questions? Email us at eco@asu-nvg.com.

Get started by filling out this request form. First ECO request from ASU? Scroll down to see our process.

Engineering Change Order Request

Contact Information:

Billing Information:

If billing information is different, please share the correct billing information.

The following are required:

1. High quality photographs of the areas to be modified. Please include photos of the instrument panel, overhead, and center console.

2. A marked up copy of the aircraft specific ICA Appendices. Write legibly on the drawings with red pen and provide locations, model numbers, and other pertinent information.

File Upload:

Add the accepted file types pdf, jpg, jpeg, png
Accepted file types: pdf, jpg, jpeg, png, Max. file size: 100 MB.

ECO Process

Following this process ensures your ECO request is processed in the most timely and accurate manner.

Fill out the ECO request form above. Drag and drop these into the form:

  • Photographs of the areas to be modified. Include photos of the instrument panel, overhead, and center console.
  • ICA Appendices for the aircraft, with the requested changes marked in red, if possible.

You’ll receive a quote back within 1 business day, often within an hour.

  • The charge for most ECOs is $3,000 to cover engineering, drafting, certification, and data updates/distribution.
  • Updates categorized as “major” per our Partnership for Safety Agreement with the FAA are $3,650 plus any associated FAA or DAR costs due to the additional scope of work required to revise the Master Drawing List. Major projects include the addition of equipment that ASU had never approved in the past. In certain instances, this could be a complete configuration change of equipment in the aircraft.

Drawing update process begins with your signed quote approval.

  • We start by updating the drawings with your requested changes and sending you preliminary drawing(s) and the Configuration Acceptance form. This typically takes about a week.
  • After you check the drawings, advise us if there are any errors or if the changes are approved. Please note that a change fee may apply to additional configuration changes after the original request.
  • We’ll work with you until the drawings are accurate.

When you’re happy with the drawings we’ll submit for DER/FAA approval and wrap up the project.

  • When the drawings are correct, you’ll sign and return the Configuration Acceptance form.
  • We’ll complete your ECO and forward the data package to the DER/FAA for approval.
  • Upon DER/FAA approval, we will distribute the drawings and approved ECO electronically to you.
  • Lastly, we’ll invoice you and archive your drawings.
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