Exchange of notes between the Government of the United Kingdom and Northern Ireland and the Government of the Republic of South Africa amending the agreement of the establishment of civil air services signed at Pretoria on 26 October 1945. 

 - London,  H.M.S.O.,  1 December 1972 : 1973.  1 December 1972 : 1973. 
 - Cmnd. 5222 Treaty series ;  19, 1973 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics, Commercial -- Great Britain.--Aeronautics, Commercial -- Great Britain.<br/>Aeronautics, Commercial -- South Africa.--Aeronautics, Commercial -- South Africa.