Article 148 Power to prevent third-country aircraft taking offI1
United Kingdom
If it appears to an authorised person that a third-country aircraft —
(a)
has a safety deficiency and does not comply with international safety standards;
(b)
would obviously be hazardous to flight safety; and
(c)
is intended or is likely to be flown without completion by the operator of the appropriate corrective action,
the authorised person must give to the person appearing to be in command of the aircraft a direction in writing not to permit the aircraft to take off until further notice and take such steps as may be necessary to detain the aircraft.