Minimum Equipment List (MEL) on EFB

Minimum Equipment List (MEL) on EFB

The aircraft Minimum Equipment List (MEL) data can be integrated onto?Electronic Flight Bag applications, which saves time for pilots, engineers and streamlines their process...



What is a Minimum Equipment List??

A Minimum Equipment List (MEL) is a document used in aviation that specifies the equipment and systems that must be functional for an aircraft to be considered airworthy.

It lists the items that can be inoperative under certain conditions while still allowing the aircraft to operate safely. The MEL is tailored to each aircraft and is approved by the relevant aviation authority, providing guidelines on what equipment can be deferred and for how long, ensuring safe flight operations even when some equipment is not working.

The MEL is used by both pilots and engineers to evaluate aircraft faults and whether they can be deferred or not.

Here is a traditional example MEL:

Image source:?


How does MEL integrate into EFB apps?

The MEL information is shown digitally in the briefing summary on the skybook EFB app.

This is achieved by operators sending their MEL items from their MRO software such as AMOS, which is usually contained in an XML file format and then integrated using API.

Whenever there is additional MEL information, updates or if anything has been deleted from the AMOS system, this will automatically update.

Other AMOS and MRO data can also be sent, for the Configuration Deviation List (CDL) and Non Essential Furnishings (NEF).


Here is an example of how MEL can look within the EFB:

The MEL maintenance status can be included within the?pilot briefing shown above, and be contained in a PDF briefing pack. Data includes:

  • Registration
  • MEL reference
  • Title and repair category.
  • Description
  • Aircraft hours
  • Cycles
  • Date raised
  • Days remaining


Looking for an integrated EFB solution?

By integrating MEL data into the skybook EFB, this streamlines the pilots process whilst allowing them to efficiently determine if it is safe to fly or whether maintenance is required.

Why not learn more?about skybook...



Article by Dan Cook, Head of Marketing

Bytron Aviation Systems


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