We use necessary cookies to make our website work. We'd also like to use optional cookies to understand how you use it, and to help us improve it.

For more information, please read our cookie policy.

ORS4 No.1525: Exemption to allow certain aircraft to use unleaded Avgas UL 91

We would like to hear from you

The CAA is committed to improving how we deliver services, please help us by completing a short survey about your experiences today

This General Exemption replaces previous Exemption 947 with regard to the use of unleaded Avgas UL 91 in certain aircraft, subject to certain conditions.
Status:
Current
Review comment:
-
Version:
1
Version date:
11-Feb-2022
View file:

This publication features in the following categories.

This publication features in the following series.

News from UK Civil Aviation Authority

  1. UK Civil Aviation Authority approves Manchester Low-Level Route airspace change
    • Published on:
    • Category: News Item
  2. Real term price reduction proposed for UK Civil Aviation Authority charges
    • Published on:
    • Category: News Item
  3. Aviation regulator publishes Independent Review into August 2023 NATS Flight Planning System Failure
    • Published on:
    • Category: News Item