Carrier logo of the "Linea dell'Impero"
The **Linea dell'Impero**(in English: "Flight of the Empire" or simply "Empire Line") was the longest flight made by the Italian airline "Ala Littoria" (precursor of Alitalia) in the years preceding World War II and was considered the most prestigious Italian air route of the time. It connected Rome with Mogadiscio in Italian East Africa, and from 1939 the route could be travelled without a change of airplane. The route was a key political and symbolic connection between Rome, the 'capital of Italy's Empire', and Italy's colonies in Libya and East Africa.

History
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The line was opened after the Italian conquest of Ethiopia in 1936 and was followed by the first air links with the Italian colonies in Italian East Africa, which had begun in an experimental way from 1934. The route was enlarged to 6,379 km and initially joined Rome with Addis Ababa via Syracuse, Benghazi, Cairo, Wadi Halfa, Khartoum, Kassala, Asmara, Dire Dawa. There was a change of aircraft in Benghazi (or sometimes in Tripoli).

The route was carried out in three and a half days of daytime flight and the frequency was four flights per week in both directions. Later from Addis Ababa there were three flights a week that continued to Mogadishu, capital of Italian Somalia.

> *Ala Littoria's played an important role in controlling Italy's colonial empire in north and east Africa. But in establishing routes from Italy to Africa, Ala Littoria had to overcome many geographic obstacles. For example, airplanes of the 1930s had great difficulty reaching Asmara, the capital of Eritrea, which is located about 15,000 feet (4,572 meters) above sea level. One of the company's proudest achievements occurred in November 1935, when Ala Littoria began full passenger service between Rome and Mogadishu, the capital of Somalia, on the east coast of Africa, thousands of miles from southern Europe.* 
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In 1939 the time taken to travel the route was reduced with the introduction of the new Savoia-Marchetti "Marsupiale", an aircraft that did not require change of aircraft. The flight lasted just 2 days and connected Rome to Tripoli-Cairo-Kassala-Asmara-Addis Abeba-Mogadiscio. In early 1940 it was the fastest and longest route in Africa and was the most prestigious line of Italian civil aviation.

Savoia-Marchetti SM.75 "Marsupiale", used since 1939 in the "Línea dell'Impero"
In summer 1940, with the start of WWII the route was militarized and controlled by the "Comando Servizi Aerei Speciali". In the first months of 1941 it was definitively closed when Italy lost the Africa Orientale Italiana.

Aircraft
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The Empire Line was opened using the three-engined seaplane CANT Z.506 in the stretch Rome – Benghazi/Tripoli and the three-engined land-based Savoia-Marchetti SM-73 from Benghazi/Tripoli to Addis Abeba and Africa Orientale Italiana.

In 1938 entered service the faster Savoia-Marchetti SM-75 with greater autonomy, capable of carrying a nearly 5000 kg load of mail and up to twenty-four passengers. This aircraft was used from the beginning of 1939 and made it possible -thanks to improved flight authonomy and top speed of 370kmh- to eliminate the change of aircraft, to reduce the number of stopovers and to shorten the travel time of a full day.

Related pages
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* Alitalia
* Italian Libya

Bibliography
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* Enzo Angelucci and Paolo Matricardi. *Aerei di tutto il Mondo*. Mondadori editore. Milano, 1978
* Mannone, Guido. *Le Ali del Littorio – Piccola Storia dell'Aviazione Civile Italiana* Grafica Bierre. Milano, 2004.
* Mondadori, A. *Guida dell'Africa Orientale* C.T.I. Milano (ed 1938)