US 1928 Aeronautics Conference 'Airliner Ryan Brougham' 5c. Scott. 649

Series: International Civil Aeronautics Conference Issue
Stamp details: Airliner Ryan Brougham B-5 (1927) and globe
Issued date: 12-12-1928 (dd/mm/yyyy)
Face value: 5c.
Emission: Commemorative
Watermark: No Watermark
Catalogue No:-
Scott (USA): 650
Stanley Gibbons (UK): 653
Michel (Germany): 315
Yvert et Tellier (France): 280
Dimensions (height x width):
25.4mm x 38.1mm
Printer: Bureau of Engraving and Printing
Print Method: Flat Plate
Stamp Colors: Blue
Perforation: Perf 11
Themes: Bi-plane, Aircraft, Aviation, Globe
Total print: 10,319,700 (estimate)
Stamp details: Airliner Ryan Brougham B-5 (1927) and globe
Issued date: 12-12-1928 (dd/mm/yyyy)
Face value: 5c.
Emission: Commemorative
Watermark: No Watermark
Catalogue No:-
Scott (USA): 650
Stanley Gibbons (UK): 653
Michel (Germany): 315
Yvert et Tellier (France): 280
Dimensions (height x width):
25.4mm x 38.1mm
Printer: Bureau of Engraving and Printing
Print Method: Flat Plate
Stamp Colors: Blue
Perforation: Perf 11
Themes: Bi-plane, Aircraft, Aviation, Globe
Total print: 10,319,700 (estimate)
Description:- The International Civil Aviation Organization (ICAO) is a specialized agency of the United Nations that changes the principles and techniques of international air navigation, and fosters the planning and development of international air transport to ensure safe and orderly growth. ICAO headquarters are located in the Quartier International of Montreal, Quebec, Canada.
The ICAO Council adopts standards and recommended practices concerning air navigation, its infrastructure, flight inspection, prevention of unlawful interference, and facilitation of border-crossing procedures for international civil aviation. ICAO defines the protocols for air accident investigation that are followed by transport safety authorities in countries signatory to the Chicago Convention on International Civil Aviation.
Source: en.wikipedia.org/wiki/International_Civil_Aviation_Organization
The ICAO Council adopts standards and recommended practices concerning air navigation, its infrastructure, flight inspection, prevention of unlawful interference, and facilitation of border-crossing procedures for international civil aviation. ICAO defines the protocols for air accident investigation that are followed by transport safety authorities in countries signatory to the Chicago Convention on International Civil Aviation.
Source: en.wikipedia.org/wiki/International_Civil_Aviation_Organization