O-1 (airship)
Encyclopedia
The SCDA O-1 was an Italian
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 semi-rigid airship
Semi-rigid airship
Semi-rigid airships are airships with a partial framework. These often consist of a rigid, or occasionally, flexible, keel frame along the long axis under the aerodynamic hull envelope. The partial framework can also be located inside the hull...

, the only true semi-rigid airship to serve with the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

.

Operational service

The O-1 was ordered from Stabilimento Costruzioni Dirigibili ed Aerostati (SCDA) by the United States Navy. Its first flight was made at Ciampino
Ciampino
Ciampino is a town and comune in the province of Rome, Lazio, Italy. It was a frazione of Marino until 1974, when it became a comune; it obtained the city status in 2004 by presidential decree.-Overview:It is best known for the local "Giovan Battista Pastine" International Airport, best known as...

, Italy, on 27 March 1919. Following tests, it was sent from Genoa
Genoa
Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

, Italy, leaving on 24 May 1919. It was sent to Akron
Akron
-Settlements:Canada* Akron, OntarioSouth Africa* Akron, South AfricaUnited States* Akron, Alabama* Akron, Colorado* Akron, Indiana* Akron, Iowa* Akron, Michigan* Akron, New York* Akron, Pennsylvania* Akron, West Virginia* Akron Township, Illinois...

 for study and was then erected at the airship base at Cape May, New Jersey
Cape May, New Jersey
Cape May is a city at the southern tip of Cape May Peninsula in Cape May County, New Jersey, where the Delaware Bay meets the Atlantic Ocean and is one of the country's oldest vacation resort destinations. It is part of the Ocean City Metropolitan Statistical Area. As of the 2010 United States...

. The O-1 first flew in the USA on 16 September 1919. While operating from Cape May, the O-1 lost all power on a landing approach and was blown to near Pennsville, New Jersey where the crew managed to land it. The O-1 was eventually returned to service and while on temporary duty at Hampton Roads the O-1 was used to launch gliders designed to be anti-aircraft targets. The date the O-1 was scrapped is not known, but was probably in the winter of 1921-22.

Specifications O-1

  • Crew: 3
  • Volume: 127,000 cu ft
  • Length: 177.8 ft)
  • Diameter: 35.4 ft
  • Gross lift: 9,125 lbs
  • Empty weight: 5,850 lbs
  • Useful lift: 3,290 lbs
  • Keel: Articulated steel
  • Powerplant: Two, Colombo, 125 hp
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