![An airport apron controller vehicle is pictured in front of aircrafts on the runway at Frankfurt's airport February 29, 2012. A threatened strike by air traffic controllers and a continuing walkout by An airport apron controller vehicle is pictured in front of aircrafts on the runway at Frankfurt's airport February 29, 2012. A threatened strike by air traffic controllers and a continuing walkout by](https://c8.alamy.com/comp/2D09WW8/an-airport-apron-controller-vehicle-is-pictured-in-front-of-aircrafts-on-the-runway-at-frankfurts-airport-february-29-2012-a-threatened-strike-by-air-traffic-controllers-and-a-continuing-walkout-by-airfield-staff-at-frankfurt-sparked-hundreds-more-cancellations-and-delays-at-europes-third-busiest-airport-on-wednesday-airport-operator-fraport-said-235-flights-had-been-cancelled-on-wednesday-out-of-a-total-of-1260-most-of-them-owing-to-the-walkouts-by-190-staff-who-guide-planes-to-parking-places-reutersalex-domanski-germany-tags-business-transport-employment-2D09WW8.jpg)
An airport apron controller vehicle is pictured in front of aircrafts on the runway at Frankfurt's airport February 29, 2012. A threatened strike by air traffic controllers and a continuing walkout by
![An airport apron controller vehicle is pictured next to a Cathay Pacific Boeing B747-400 Aircraft on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will continue An airport apron controller vehicle is pictured next to a Cathay Pacific Boeing B747-400 Aircraft on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will continue](https://c8.alamy.com/compfr/2d0ep55/an-airport-apron-controller-vehicle-is-pictured-next-to-a-cathay-pacific-boeing-b747-400-aircraft-on-the-runway-at-frankfurts-airport-february-21-2012-strikes-at-frankfurt-airport-germanys-largest-will-continue-until-the-weekend-the-gdf-union-resulting-in-more-flight-cancellations-and-delays-just-under-200-apron-control-workers-such-as-those-who-guide-aircraft-to-parking-places-are-striking-over-a-pay-dispute-with-fraport-which-runs-the-airport-reuters-alex-domanski-germany-tags-business-transport-employment-2d0ep55.jpg)
An airport apron controller vehicle is pictured next to a Cathay Pacific Boeing B747-400 Aircraft on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will continue
![An airport apron controller vehicle is pictured in front of a Cathay Pacific Boeing B747-400 Aircraft on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will An airport apron controller vehicle is pictured in front of a Cathay Pacific Boeing B747-400 Aircraft on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will](https://c8.alamy.com/comp/2CY2D3B/an-airport-apron-controller-vehicle-is-pictured-in-front-of-a-cathay-pacific-boeing-b747-400-aircraft-on-the-runway-at-frankfurts-airport-february-21-2012-strikes-at-frankfurt-airport-germanys-largest-will-continue-until-the-weekend-the-gdf-union-resulting-in-more-flight-cancellations-and-delays-just-under-200-apron-control-workers-such-as-those-who-guide-aircraft-to-parking-places-are-striking-over-a-pay-dispute-with-fraport-which-runs-the-airport-reutersalex-domanski-germany-tags-business-transport-employment-2CY2D3B.jpg)
An airport apron controller vehicle is pictured in front of a Cathay Pacific Boeing B747-400 Aircraft on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will
![05/26/2019. Frankfurt Airport, Germany. Lufthansa Technik Maintenance Hangar With Control Tower. Airport Operated By Fraport And Serves As The Main Hub For Lufthansa Including Lufthansa City Line And Lufthansa Cargo. Stock Photo, 05/26/2019. Frankfurt Airport, Germany. Lufthansa Technik Maintenance Hangar With Control Tower. Airport Operated By Fraport And Serves As The Main Hub For Lufthansa Including Lufthansa City Line And Lufthansa Cargo. Stock Photo,](https://previews.123rf.com/images/jakubrutkiewicz/jakubrutkiewicz2004/jakubrutkiewicz200400036/145015524-05-26-2019-frankfurt-airport-germany-lufthansa-technik-maintenance-hangar-with-control-tower.jpg)
05/26/2019. Frankfurt Airport, Germany. Lufthansa Technik Maintenance Hangar With Control Tower. Airport Operated By Fraport And Serves As The Main Hub For Lufthansa Including Lufthansa City Line And Lufthansa Cargo. Stock Photo,
![An airport apron controller vehicle is pictured next to a Cathay Pacific Boeing B747-400 Aircract on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will continue An airport apron controller vehicle is pictured next to a Cathay Pacific Boeing B747-400 Aircract on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will continue](https://c8.alamy.com/comp/2D0E8YD/an-airport-apron-controller-vehicle-is-pictured-next-to-a-cathay-pacific-boeing-b747-400-aircract-on-the-runway-at-frankfurts-airport-february-21-2012-strikes-at-frankfurt-airport-germanys-largest-will-continue-until-the-weekend-the-gdf-union-resulting-in-more-flight-cancellations-and-delays-just-under-200-apron-control-workers-such-as-those-who-guide-aircraft-to-parking-places-are-striking-over-a-pay-dispute-with-fraport-which-runs-the-airport-reutersalex-domanski-germany-tags-business-transport-employment-2D0E8YD.jpg)
An airport apron controller vehicle is pictured next to a Cathay Pacific Boeing B747-400 Aircract on the runway at Frankfurt's airport February 21, 2012. Strikes at Frankfurt airport, Germany's largest, will continue
![202001100 Frankfurt/ Main airport with Lufthansa and United Airlines airplanes | United airlines, Frankfurt, Airport 202001100 Frankfurt/ Main airport with Lufthansa and United Airlines airplanes | United airlines, Frankfurt, Airport](https://i.pinimg.com/736x/f8/18/a4/f818a42c7a1badf1e5b71d271930e9bd.jpg)