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Addition resources for previous fight analysis sections----(aim517, aim522, aim713, aim751, far91103, relevant story night, runway length, safety facts, stabilized approach)
Why do
the Airlines and Corporate flight departments enjoy such great safety
records? It's not that they have better pilots. It's not the equipment
they fly. |
APPROACH
AND LANDING
APPROACH AND LANDING – This is the single most demanding phase of flight, and the one that carries the highest risk. In the last Flight Analysis section, we talked about being ahead of the airplane, about being prepared and using slow times to catch up. This means that by the time we get to the terminal area, we are ready for all possibilities. This preparation can sometimes begin a thousand miles from destination. Usually, whenever a professional crew receives a STAR (standard terminal arrival route), they will: • Enter all waypoints into the FMS (flight management system) Nothing is more embarrassing than arriving at a fix after having been given an arrival procedure, and then having to scramble to read an instruction that’s been sitting in front of you for an hour. Some of the items that should be conducted in cruise flight before arrival into the terminal area include: • Review the STAR. If no STAR is provided, then briefly review
any STAR for your arrival airport. This will help you familiarize yourself
with the area, the common waypoints used for arrival, and the normally
expected altitudes and airspeeds. Arriving prepared makes a pilot more confident and relaxed. It leaves more time for looking outside the cockpit for traffic, weather, and the like. In brief, it allows a pilot to have better situational awareness. APPROACH BRIEFING—The professional flight crews have some advantage in this area. Two crewmembers flying an airplane on autopilot in class A airspace can safely and effectively brief for an arrival. One pilot monitors the flight while the other performs the brief. Some of the items covered on an arrival briefing are: • The airport area and obstacles A single pilot operation can accomplish the same thing by reviewing the information before takeoff or possible in cruise. Making notes as necessary and having all the needed charts at your fingertips is vital. Discuss in your head the path to the runway and what you will need to do where. This is all part of thinking ahead of the airplane. STABILIZED APPROACH—A stabilized approach is one in which the aircraft maintains a predetermined speed and configuration. This is critical in the professional world. Many airlines have systems on their aircraft that record when an unstabilized approach is performed. These programs are called FOQA (flight operation quality assurance). If a pilot performs an unstabilized approach, he or she might receive a phone call later asking for an explanation; this shows how important the airlines believe using a stabilized approach to be, and how serious they take the procedure. A stabilized approach begins at a predetermined point (for example, an outer marker). Beyond this point, the aircraft is “in the window” or “on speed” and properly configured. Different companies have different parameters. They may include aircraft configuration, speed, minimum power settings, and vertical speed, to name a few. An example might be: • Outer Marker – Aircraft on the localizer and glideslope,
gear down, flaps approach, speed less than 140 knots. Most aircraft that run off the end of a runway on landing did not shoot a stabilized approach. The urge to salvage the approach and avoid a go-around was too strong for the pilot to ignore. “It was VFR and it looked like we could do it,” or “We were a little high but I thought we could get down,” are explanations often offered by pilots after such accidents. Some pilots occasionally get by with this, but if this is allowed as a company or as a group, it will result in accidents on a regular basis. What this means to you is that if you always use a stabilized approach, you can probably avoid this number one accident. The PILOTS MANUAL BUILDER will guide you through developing guidelines for a stabilized approach. CALLOUTS—It is important to understand the callouts that a crew might use on a typical approach. While you will not be able to use this technique as a single pilot, you can still understand the intention and incorporate many of the same concepts into your flights. Abbreviations: Beginning at initial approach or downwind leg – The VFR visual approach – If you are IFR rated (and VFR pilots should consider learning this), it is good practice to use the localizer and glideslope when available. Airlines and Corporate flight departments always use this technique to ensure a stabilized approach. This simple act accomplishes several things: • It creates a standard operating procedure—Your arrival
and approach procedure are always the same, regardless of the weather
conditions. When the ceiling and visibility are low, you are not trying
to operate the aircraft in a way that you are not used to. TOUCHDOWN AND LANDING |
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