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Avionics repairsDue to the extremely high work load we regret that we are unable to accept any non warranty repair work until further notice, tech support is by EMAIL ONLY. 

Mendelssohn Pilot Supplies operate an CAA, FAA and EASA Part 145 approved workshop.

We undertake repair and maintenance of a wide range of avionics and aircraft equipment.

User, installation and operation guides can be found here >>

Returning Items for Repair or Exchange.

If you need to return an item to us for credit, repair, update, inspection, or any other matter, please click below and complete the RMA form as necessary.

Please give us as much information as possible, including purchase details for any credit or warranty claim.

IMPORTANT: No repairs or returns will be accepted without a Returned Material Authorisation (RMA).

caa, faa, easa approved workshopTo issue a Returned Material Authorisation (RMA) click the link below.


For wiring harness forms click the link below.


For approval numbers click the link below.


Once we have received your unit, you will be contacted after it has been assessed in our workshop.

Opening Hours:
Monday to Friday
08:30 – 17:00
Call: 0131 447 7777