My list of airband frequencies:-
Kelsall
118.775MHz Scottish Control
125.100MHz Scottish Control
125.950MHz Scottish Control
128.050MHz Scottish Control
132.8583MHz London Control
133.400MHz Scottish Control
133.700MHz London Control
133.800MHz Scottish Control
134.425MHz Scottish Control
135.575MHz London Control
136.575MHz Scottish Control
Preston
118.775MHz Scottish Control
125.100MHz Scottish Control
125.950MHz Scottish Control
127.450MHz London Military
128.050MHz Scottish Control
128.675MHz Scottish Control
133.050MHz Scottish Control
133.400MHz Scottish Control
133.705MHz London Control
134.425MHz Scottish Control
134.475MHz Scottish Control
135.575MHz London Control
136.575MHz Scottish Control
Great Dun Fell
121.500MHz Distress Frequency
125.475MHz London Control
126.600MHz London Volmet
128.675MHz Scottish Control
Clee Hill
121.500MHz Distress Frequency
124.750MHz London Control
126.875MHz London Control
127.450MHz London Military
128.250MHz London Military
128.700MHz London Military
132.8583MHz London Control
133.600MHz London Control
133.900MHz London Military
134.750MHz London Control
135.150MHz Swanwick Military
Other frequencies
135.525MHz Scottish Control (Lowther Hill)
254.725MHz London Military
134.3916MHz London Control (Daventry)
277.775MHz London Military
135.275MHz London Military (Rothwell)
254.275MHz London Military
129.200MHz London Control (Daventry)
120.025MHz London Control (Grantham)
Liverpool Airport
Approach 119.850MHz
Radar 118.450MHz
Tower 126.350MHz
Ground 121.950MHz
ATIS 124.325MHz
Manchester Airport
Approach 121.350MHz
Radar 118.575MHz, 135.000MHz
Tower 118.625MHz, 119.400MHz
Ground 121.850MHz, 121.700MHz
ATIS 128.175MHz, 113.550MHz, 121.975MHz
Hawarden Airport
Hawarden Chester Handling Ops 131.500MHz
Radar 123.350MHz
Tower 124.950MHz
Tower 336.325MHz Military
Approach 130.250MHz
ATIS 125.425MHz
Airport Repeater
Liverpool 455.6375MHz NBFM†
Hawarden 455.7000MHz NBFM
Manchester (1) 455.6500MHz NBFM
Manchester (2) 455.7625MHz NBFM
Liverpool Airport UHF Air Frequencies, Repeaters and Trunked Systems
441.3125 NFM Liverpool Airport Trunked Network
441.3375 NFM Liverpool Airport Trunked Network
443.3250 NFM Liverpool Airport Trunked Network
455.4875 460.7875 NFM Liverpool Apron Control
455.6375 460.9375 NFM Liverpool Tower†
455.7500 461.0500 NFM Liverpool Security
455.8000 461.1000 NFM Liverpool Ground Movements
455.8375 461.1375 NFM Liverpool Airport Crash Ops
Hope someone finds this useful.