航空 发表于 2010-8-4 09:01:01

RMIT飞行训练课件-Shortfield Circuits 短跑道起落航线

**** Hidden Message *****

航空 发表于 2010-8-4 09:01:18

RMIT Flight Training Shortfield Circuits<BR>RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 1 Brief 14<BR>SHORTFIELD CIRCUITS<BR>Aim: To operate safely and efficiently into and out of a field of marginal length, using<BR>as little runway as possible.<BR>Application:<BR>- short/rough strips<BR>- ALA’s<BR>- obstacle clearance<BR>Revision:<BR> P-Charts<BR>FACTOR TODR LDR<BR>Increase Weight ↑ ↑<BR>Increase Headwind ↓ ↓<BR>Increase Temperature ↑ ↑<BR>Flap ↓ ↓<BR>Upslope ↑ ↑<BR>Definitions:<BR> Short Field<BR>- When the runway length available and/or obstacle clearance gradients<BR>are only just sufficient to satisfy take-off and landing requirements.<BR>Principles:<BR>TAKE OFF<BR> Flap - Reduces Vs therefore reducing VTOSS (1.2Vs)<BR>- Shorter take off run and distance to 50 ft AGL<BR>- Provides better obstacle clearance<BR> Power Vs Brakes<BR>- Ensures maximum power available to achieve maximum acceleration<BR>- Exercise caution on gravel surfaces<BR> Climb Performance<BR>- Rate and Angle of climb will both decrease<BR>APPROACH AND LANDING<BR> Flap - Reduces Vs allowing approach at minimum speed (1.3Vs)<BR> Power - Allows slower flight on the back of the drag curve<BR>- Inboard surfaces (rudder/elevator) more effective<BR> Approach Profile<BR>-Same flight path flown with a higher nose attitude due less airspeed<BR> Landing- Shorter positive flare and touchdown<BR>- Use maximum braking as required<BR>RMIT Flight Training Shortfield Circuits<BR>RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 2 Brief 14<BR>Considerations:<BR> REGION OF REVERSE COMMAND<BR> OFF PROFILE – If gross overshoot occurs on approach, be conservative,<BR>conduct a missed approach and try again. Don’t push a tight situation.<BR> GUSTY CONDITIONS – There is no allowable tolerance below the minimum<BR>specified safe speeds. The speeds flown in gusty conditions with fluctuating<BR>airspeeds will need to be increased to continually maintain a safe margin over the<BR>stall. Therefore, it may not be practical to use shortfield techniques.<BR>Air Exercise:<BR> Take-off<BR>Lower nose<BR>FLAP 0o<BR>79 kt (BROC)<BR>57 kt (BAOC)<BR>To 200ft or clear of obstacles<BR>“40 kt”<BR>“51 kt ROTATE”<BR>FLAP 10o<BR>Power Vs Brakes<BR>For soft field<BR>apply full back<BR>pressure until<BR>rotation<BR>DRAG<BR>(Thrust Req’d)<BR>IAS<BR>More thrust req’d<BR>to fly slower<BR>RMIT Flight Training Shortfield Circuits<BR>RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 3 Brief 14<BR> Landing<BR>Airmanship:<BR>- Smooth coordinated use of controls<BR>- Restrict power on gravel surfaces<BR>- Higher speeds in gusty conditions may be necessary<BR>- If in doubt, go around<BR>- Correct handover/takeover procedure<BR>- Lookout<BR>Apply maximum braking<BR>without skidding<BR>Maintain full back pressure<BR>Target Threshold Speed 55 kt<BR>Minimal hold-off and flare<BR>Initiate touchdown with idle<BR>power<BR>57 kt<BR>Increase power as<BR>required to maintain speed<BR>Normal approach until 300ft<BR>Raise nose for 60 kt<BR>APPROACH<BR>PROFILE<BR>DOES NOT<BR>CHANGE

fantesy5566 发表于 2011-5-4 13:03:50

dddddddddddddddddd

猪也能飞 发表于 2013-10-28 18:54:04

收藏学习!感谢楼主
页: [1]
查看完整版本: RMIT飞行训练课件-Shortfield Circuits 短跑道起落航线