Welcome to Planet Avgeek, a threshold.aero website, designed to cater for the information needs of the aviation enthusiasts. This is where you can find our subscription Data Centre which hosts information such as Aircraft callsigns, Air Band radio frequencies, BAPC register and the only place where you can find all of the Royal International Air Tattoo aircraft checklists.

To access the areas of the Data Centre (except the Preserved & Out of Service Data which is free access) you will need to have purchased a subscription.

Click on the button below to see the subscription options.

^{All of the data contained in the Planet Avgeek Data Centre remains the copyright of Threshold.aero and permission must be sought before re-publication.}