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The Manchester Low Level Route (MLLR) will be replaced by the North West Transit Corridor (NWTC). Below is a summary of the key changes.
Manchester Low Level Route (MLLR) Removal 
The MLLR will cease to exist at 0001 hours on 20th February 2025.
It will be replaced by the North West Transit Corridor (NWTC).
Introduction of Restricted Area EGR323 NWTC 
The NWTC will provide Class G airspace up to 1500 FT AMSL.
Above 1500 FT AMSL, the airspace remains Class D and is renamed Manchester Control Area 6 (CTA-6) (extending up to 3500 FT AMSL).
Flight Restrictions & Exemptions 
Prohibited below 1500 FT AMSL unless specific conditions are met:
Max 140 KTS indicated airspeed
Min 5 KM in-flight visibility
Max Certified Take-Off Mass 40,000 KG
Use of Manchester or Liverpool QNH
Exemptions for emergency services, including:
Police Air Support
Emergency Medical Services
The King’s Helicopter Flight
Maritime & Coastguard Agency (SAR only)
Air Traffic Control & Monitoring 
ATC clearance is not required within EGR323 if the above conditions are met.
Aircraft unable to meet conditions can apply for an exemption (referencing UK AIP ENR 5.1).
Frequency monitoring is recommended but not mandatory:
Manchester FMC 7366 (Channel 118.580)
Liverpool FMC 5060 (Channel 119.855)
Updated VFR Charts 
New airspace classifications will be reflected on 1:500,000 and 1:250,000 VFR charts.