Kontrollitavas õhuruumis tuleb grupilennu puhul järgida alltoodud nõudeid: 1) lennugrupp navigeerib ja edastab asukohateateid nagu üks õhusõiduk; 2) lennugrupi juht ja teiste grupis lendavate õhusõidukite kaptenid vastutavad kokkupõrgete vältimise eest lennugrupis lendavate õhusõidukite vahel nii lennugrupi kogunemisel ja lahkuminekul kui ka mis tahes lennugrupi sisestel manöövritel; 3) iga lennugrupis osalev õhusõiduk peab püsima lennugruppi juhtivast õhusõidukist mitte kaugemal kui 1 km (0,5 NM) külgsuunas ja 30 m (100 jalga) kõrgussuunas.
Aircraft shall not be flown in formation except by pre-arrangement among the pilots-in-command of the aircraft taking part in the flight and, for formation flight in controlled airspace, in accordance with the conditions prescribed by the competent authority. These conditions shall include the following: (a) one of the pilots-in-command shall be designated as the flight leader; (b) the formation operates as a single aircraft with regard to navigation and position reporting; (c) separation between aircraft in the flight shall be the responsibility of the flight leader and the pilots-in-command of the other aircraft in the flight and shall include periods of transition when aircraft are manoeuvring to attain their own separation within the formation and during join-up and breakaway; and (d) for State aircraft a maximum lateral, longitudinal and vertical distance between each aircraft and the flight leader in accordance with the Chicago Convention. For other than State aircraft a distance not exceeding 1 km (0,5 nm) laterally and longitudinally and 30 m (100 ft) vertically from the flight leader shall be maintained by each aircraft.
