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Synopsis

In Episode 149 we discussed how to fly a 3-degree visual approach. In this episode we talk about how to fly a manual ILS approach, i.e., an approach flown without a flight director. If you are planning to fly to an airport with an operable ILS, a little flight planning goes a long way. You can check weather forecasts for your destination and determine the probable runway that will be in use when you arrive, along with the forecast temperature and wind. You need this information to plan your approach. To start, calculate the true airspeed of your aircraft at the anticipated landing weight when you arrive at your destination. Depending on your aircraft, this can vary considerably depending on weight. Now, consult your performance charts to determine your approach speed in indicated airspeed (IAS). Use your IAS to calculate the true airspeed (TAS) for your approach. If you are operating into a sea level airport on a standard day, IAS an TAS are close to each other, but if you are flying your approach to a high-a