 The government stated that no airports had been built yet, and would not be in the immediate future, so it was better to start with sea plane services.Riiser-Larsen went on a national lecture tour to gain support for civil aviation from local politicians and businesspeople.He also negotiated agreements to pool flights to Sweden with Aerotransport, to Denmark with Det Danske Luftfartselskab, to Germany with Lufthansa and to the United Kingdom with Imperial Airways.