FAA Weather Observation Practice Exam

The retention period for carbon copies of the MF1M-10 form is established to ensure that important weather observation data is kept available for a sufficient length of time for review and accountability. In this case, retaining the copies for 90 days strikes a balance between maintaining necessary records for operational oversight and avoiding excessive storage of outdated documents. This duration allows for adequate time to assess any discrepancies, conduct audits, or provide required information for regulatory compliance. Keeping records for 90 days aligns with best practices in data management within the aviation and meteorological sectors, ensuring that both the integrity of the data and the needs for operational reliability are met.