At what speed should flaps extend according to standard flight operations?

When determining the appropriate speed for flap extension during flight, it's important to consider the manufacturer’s specifications for the specific aircraft in question, as well as general operating procedures. The correct choice for extending the flaps at 100 knots reflects a typical operational speed that balances the safe deployment of the flaps with optimal aircraft performance.

Flaps are designed to create more lift at lower speeds, allowing for safer approaches and landings. Extending them too early, at a higher speed, can cause increased drag and stress on the aircraft structure. Conversely, deploying flaps too late can lead to a loss of lift that could adversely affect the landing. Therefore, the chosen speed of 100 knots is a well-established threshold that ensures flaps deploy effectively while keeping within the aircraft’s performance envelope.

Each aircraft type often has its own recommended speeds for flap extension, which are usually found in the Pilot's Operating Handbook (POH). In this scenario, selecting the speed of 100 knots aligns well with standard practices and operational limits that prioritize safety and aircraft integrity during flap deployment.