30 May (Burundi ) within release Transportation - Helicopters goes into circulation Stamp MBB/Kawasaki BK 117 C2 face value 3,000 Burundian franc
Stamp MBB/Kawasaki BK 117 C2 in catalogues | |
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Michel: | Mi: BI 2474 |
Stamp is square format.
Also in the issue Transportation - Helicopters:
Data entry completed
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Stamp MBB/Kawasaki BK 117 C2 in digits | |
Country: | Burundi |
Date: | 2012-05-30 |
Perforation: | comb 13 x 13½ |
Emission: | Commemorative |
Format: | Stamp |
Face Value: | 3,000 Burundian franc |
Stamp MBB/Kawasaki BK 117 C2 it reflects the thematic directions:
Aviation is the practical aspect or art of aeronautics, being the design, development, production, operation and use of aircraft, especially heavier than air aircraft. The word aviation was coined by French writer and former naval officer Gabriel La Landelle in 1863, from the verb avier (synonymous flying), itself derived from the Latin word avis ("bird") and the suffix -ation.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of short take-off and landing (STOL) or short take-off and vertical landing (STOVL) aircraft cannot perform without a runway.