1. An official authorization or allowance to deviate from established standards, regulations, or procedures
The contractor requested a permit deviation to use alternative materials for the construction project.
O contratante solicitou um desvio permitido para usar materiais alternativos no projeto de construção.
2. A formal document or approval that grants permission to deviate from normal operational guidelines
The airline received a permit deviation from the FAA to test a new flight route.
A companhia aérea recebeu um desvio permitido da FAA para testar uma nova rota de voo.