Questão jurídica principal
Whether the administrative-law appeals against the interim decision were admissible.
Decisão extraída
The appeals were admissible because the challenged interim decision could cause irreparable prejudice and the underlying merits decision was itself appealable.
Fundamentação extraída
The court held that the economic and regional consequences alleged by the appellants sufficed to establish irreparable harm; decisions on airport operating-rule changes are in principle subject to administrative-law appeal.