''Serbaud'', short for ''Serikat Buruh Angkatan Udara'' ('Air Transport Workers Union'), was a

trade union A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their employment", ch. I such as attaining better wages and benefits ...

of air transport employees and workers in

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

. Serbaud was affiliated to the trade union centre

SOBSI The ''All-Indonesian Federation of Workers Organisations ( id, Sentral Organisasi Buruh Seluruh Indonesia (SOBSI)) was the largest trade union federation in Indonesia.Glassburner, Bruce. The Economy of Indonesia: Selected Readings'. Jakarta: Equi ...

, which was linked to the Communist Party of Indonesia. Serbaud was estimated to have less than 3,000 members.Hindley, Donald.
The Communist Party of Indonesia, 1951-1963
'. Berkeley: University of California Press, 1964. p. 141 Around 1964 Serbaud propagated boycotts against

Pan Am Pan American World Airways, originally founded as Pan American Airways and commonly known as Pan Am, was an American airline that was the principal and largest international air carrier and unofficial overseas flag carrier of the United States ...

, refusing to service Pan Am flights. Moreover, Serbaud refused to service the aircraft chartered by the U.S. embassy. In December 1964 Serbaud organised protests outside the U.S. embassy, charging it with using a 'spy plane'. Serbaud held its third congress 25–27 June 1965.''Summary of world broadcasts: The Far East. Weekly supplement''
/ref>

References

Central All-Indonesian Workers Organization Aviation trade unions Transport trade unions in Indonesia 1966 disestablishments in Indonesia {{trade-union-stub