Search for Milestones in Vertical Flight
The development of vertical flight is marked with important events. Vertipedia recognizes these "milestones" that have helped shape vertical flight's history. Browse our growing database of historical milestones by year, by relative importance of each milestone, or by the type of milestone. You can also search by key word or phrase using the quick seach box above.
Find milestones by year
Find milestones by importance or type of event
Milestones in Vertipedia are categorized by relative importance and type. A momentous milestone, for example, can be seen as a fundamental event in the development of VTOL aircraft. A significant milestone is a very important event in the development of VTOL aircraft and operations, while a notable milestone is worth noting in VTOL history.
Milestone types focus on the context in which the event took place. A technology milestone, for example, represents a key point in the development of technical aspects of vertical flight. Record milestones represent formal observances ratified by an independent body. An operational milestone signifies the first use of a VTOL aircraft to achieve a defined flight or other operational capability. Finally, people milestones are related to key people in VTOL history.
Milestones by Importance
Momentous Significant Notable
Milestones by Type
Technology Record Operational People Other
Milestones happening on September 20
Milestones on September 20
1947 - First flight of Seibel S-3
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from any year, will be shown.
Milestones by Site or Location
Search for milestones by entering location information (site name, city, state or province, and so forth) in the box below. Or, select a country from the dropdown menu to see all milestones occurring within that nation.