Flight Training Instruction - Cnatra - U.S. Navy
Flight Training Instruction - Cnatra - U.S. Navy
Flight Training Instruction - Cnatra - U.S. Navy
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CHAPTER FIVE T-6B PRIMARY INSTRUMENT NAVIGATION<br />
Description.<br />
Airspeed - 150 KIAS normally, other airspeeds permissible.<br />
Attitude - 45° and 60° AOB.<br />
Procedure. Enter a steep turn in the same manner as a normal turn. Anticipate the addition of<br />
power to maintain a constant airspeed. Pitch required in the turn is higher than wings level<br />
flight. Anticipate pitch change as VSI lags behind actual aircraft performance. Use a constant<br />
angle of bank during steep turns, and attempt to correct altitude deviations by adjusting the pitch<br />
attitude. If altitude gain or loss is excessive, a decrease or increase in bank may help correct the<br />
pitch attitude.<br />
Use the known pitch and power settings in Figure 5-4. Add power passing 30° AOB. To roll out<br />
on the desired heading, lead the roll out by approximately 15° for a 45° AOB turn and 20° for a<br />
60° AOB turn. Lead points should be adjusted as necessary if consistently rolling out short or<br />
past the desired heading.<br />
Common Errors.<br />
1. Loss of altitude control.<br />
2. Unable to maintain desired angle of bank.<br />
3. Slow to set or inability to set desired power setting.<br />
506. VERTICAL S-1 PATTERN<br />
General. Practice instrument crosscheck.<br />
Description. This pattern is flown at 150 KIAS and on any numbered heading. It consists of a<br />
1000 FPM descent for 1000’, followed by a 1000 FPM climb for 1000’. This series of descents<br />
and climbs is performed twice.<br />
Procedure.<br />
1. Begin the pattern with the descent using a three–second lead prior to an even minute on the<br />
clock. Reduce the Power (applying simultaneous, proportional left rudder pedal control<br />
pressure) to approximately 15%, while simultaneously lowering the nose Attitude to the<br />
descending attitude, approximately 2º nose down, and re-Trim. After each 250’ of altitude<br />
change, crosscheck the clock for 15 seconds of elapsed time.<br />
2. The transition from the descent to the climb is started three seconds prior to the end of the<br />
descending minute or 50’ prior to the end of the 1000’ descent, whichever occurs first. Add<br />
power toward approximately 55% torque, while smoothly raising the nose toward the climbing<br />
attitude of approximately 4º nose up; re-trim for the 150 KIAS climbing attitude. As power is<br />
5-6 BASIC INSTRUMENT PROCEDURES