Final answer:
In a 705 operation, the validity period for a PPC with no recurrent training is 24 months. Emergency Training typically has a validity period of 36 months. Area/Route Qualification validity can vary depending on the requirements.
Step-by-step explanation:
In a 705 operation, the validity period for a PPC (Pilot Proficiency Check) with no recurrent training is 24 calendar months.For Emergency Training, the validity period is typically 36 calendar months, but it may vary depending on the specific regulations of the country or aviation authority.Regarding Area/Route Qualification, the validity period can vary depending on the specific requirements set by the aviation authority or airline. In some cases, it may be tied to the PPC validity, while in others it could be linked to specific factors like route changes or additional training.