2.2.2. The ocean weather stations shall carry as far as practicable, such search and rescue equipment as is necessary for effecting a sea rescue.

2.2.3. The crews at the ocean weather stations shall be expertly trained from the point of view of effecting a sea rescue.

2.2.4. The communication equipment on the ocean weather stations shall be sufficiënt to guard safety, distress or emergency calls from mobile units, air or surface, for communication with surface vessels or aircraft for distress, emergency and safety purposes, for transmission or regional search and rescue frequency, whén search and rescue operations are in progress and for beacon operation in accordance with a prescribed operating Schedule and on an assigned frequency.

2.3. Navigational Aids to Aircraft.

2.3.1. The ocean weather stations shall provide, when circumstances so require, navigational aid to aircraft, including the transmission of relevant meteorological information.

2.4. Incidental Services.

2.4.1. In addition to the services specified in Paragraph 2.1, 2.2 and 2.3, the ocean weather stations shall perform such incidental services as may be required, on the understanding that the performance of such services does not involve any appreciable addition to the obligatory personnel and equipment carried. These incidental services include:

2.4.1.1. Reports of observations from merchant ships received and re-transmitted in accordance with prescribed schedules;

2.4.1.2. Such supplementary air traffic control facilities as may be prescribed.

2.5. Other Services to be Performed in Connection with the Operation of Ocean Weather Stations.

2.5.1. The States operating the ocean weather stations shall provide, to other participating States, copies of all regular surface and upper air meteorological observations made on their stations;

2.5.2. Statistical meteorological records and summaries of the observations shall be maintained in Standard form and copies exchanged between the participating States.

2.5.3. The participating States shall use their best endeavours to facilitate the inclusion, in the observational program of the ocean weather stations, of such oceanographical and other scientific observations as may be found desirable.