Chalenge1930.jpg

Summary

Description Chalenge1930.jpg	The aircraft before the en:Challenge 1930 contest, in Zeppelin hangar at Berlin-Staaken. From the top: SP-ADD - PWS-52 (Poland, pilot Franciszek Rutkowski, not completed) OO-AKY - St. Hubert G1 (Belgium, in the French team, pilot Jacques Maus, not completed) M-CGAA - DH.60G Gipsy Moth (Spain, pilot Ansaldo d'Estremera, not completed) SP-ADC - PWS-51 (Poland, pilot Józef Lewoniewski , not completed) F-AJSH - Caudron C.193 (France, pilot Francois Arrachart, 24th place) G-AAGO - Simmonds Spartan (did not participate in the Challenge) G-AAHR - DH.60G Gipsy Moth (Great Britain, pilot Hubert Broad, 8th place) F-AJSG - Caudron C.193 (France, pilot Cornez, not completed) M-CKAA - DH.60G Gipsy Moth (Spain, pilot Antonio Habsburg-Bourbon, 30th place)
Date	July 1930
Source	Marian Romeyko (editor): Polska lotnicza , Warsaw 1937. Originally uploaded: en:pl:grafika:Chalenge1930.jpg by Pibwl at en.wikipedia
Author	Polish photographer
Permission ( Reusing this file )	The Polish photo published prior to 23 May 1994, under a copyright law of 1926, without any copyright note, therefore assumed to be public domain (see below).
Other versions	Derivative works of this file: Challenge1930 C193, PWS51.jpg

This photograph is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland , all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed to be in the public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country ( Poland ) on the URAA date (1 January 1996).

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