Question: What is the Nature of presence of the border crossing point with the ICAO of LFBU ?

text: List of border crossing points in France
Air borders

The following is a list of border crossing points in France forming the external border of the Schengen Area. At the main border crossing points, the Police aux Frontières carries out immigration checks, whilst Customs are responsible for customs checks. At smaller regional border crossing points, Customs are responsible for carrying out both immigration and customs checks.
Border crossing point Agency responsible for immigration checks Agency responsible for customs checks Nature of presence Flights from outside the Schengen Area
Abbeville - Buigny-Saint-Maclou Aerodrome Customs Customs On request Infrequent charter flights
Agen - La Garenne Aerodrome Customs Customs On request Infrequent charter flights
Ajaccio - Napoléon Bonaparte Airport Police aux frontières Customs Permanent Seasonal scheduled flights ( London-Gatwick )
Albert - Picardie Airport Customs Customs On request Infrequent charter flights
Amiens - Glisy Aerodrome Customs Customs On request Infrequent charter flights
Angers - Loire Airport Customs Customs On request Seasonal scheduled flights ( London-City )
Angoulême - Brie - Champniers Airport Customs Customs On request Infrequent charter flights
Annecy - Haute-Savoie - Mont Blanc Airport Customs Customs On request Infrequent charter flights
Annemasse Aerodrome Customs Customs On request Infrequent charter flights
Auxerre - Branches Aerodrome Customs Customs On request Infrequent charter flights
Avignon - Caumont Airport Customs Customs On request Seasonal scheduled flights ( Birmingham , Exeter , London-City , Southampton )
Bastia - Poretta Airport Police aux frontières Customs On request outside peak season Seasonal scheduled flights ( London-Gatwick , London-Heathrow , Manchester )
Beauvais-Tillé Airport Police aux frontières Customs On request outside peak season Regular scheduled flights ( Bacău , Bucharest-Henri Coandă , Chişinău , Cluj-Napoca , Dublin , Edinburgh , Fez , Glasgow-Prestwick , Knock , Manchester , Marrakech , Nador , Pula , Sofia , Tangier , Târgu Mureş , Timişoara )
Bergerac Dordogne Périgord Airport Customs Customs On request Regular scheduled flights ( Birmingham , Bristol , East Midlands , Edinburgh , Exeter , Leeds/Bradford , Liverpool , London-Gatwick , London-Stansted , Southampton )
Besançon - La Vèze Aerodrome Customs Customs On request Infrequent charter flights
Béziers Cap d'Agde Airport Customs Customs On request Seasonal scheduled flights ( Bristol , London-Luton , Manchester , Southampton )
Biarritz - Anglet - Bayonne Airport Customs Customs On request Seasonal scheduled flights ( Dublin , London-Gatwick , London-Stansted , Manchester )
Bordeaux-Mérignac Airport Police aux frontières Customs Permanent Regular scheduled flights ( Agadir , Algiers , Casablanca , London-Gatwick , London-Luton , Marrakech , Tunis ) , seasonal scheduled flights ( Bristol , Cork , Dublin , Edinburgh , Liverpool , Montréal-Trudeau , Oran , Southampton )
Brest Bretagne Airport Customs Customs On request outside peak season Regular scheduled flights ( London-City , Marrakech )
Brive - Souillac Airport Customs Customs On request Seasonal scheduled flights ( London-City )