精密进近seminarie1006_precisionapproaches

1、Precision ApproachesThe purpose of an IFR approachIo B the ranPrecision approaches -Non-Precision Approaches An approach where you have means of measuring deviation of the desired vertical profile, is a precision approach5.Example : ILSPrecision approaches -Non-Precision Approaches Any other approach is a tnon-precision approach.Examples : VOR approach, NDB approach, LOC (G/S out) approachInstrument - Visual Fly an approach based on instruments Transition to visual segment for landingPosition th

2、e aircraft for landing Straight-in” Circle-to-land”Instrument - VisualTo see the Runway : Ceiling high enough (out of clouds) Visibility good enoughObstacle Clearance How low can you go ?Precision Approach MinimaQ During a precision approach, you follow the descent profile until you reach the 6Decision Altitude9 or DA. This is where you decide to continue or go- around. The DA can be an altitude Above Mean Sea Level, AMSL, based on the QNH and read on the BARO altimeter, or a Radio Altitude or R

3、A, read on the Radio Altimeter, indicating your actual altitude above the ground, depending on the procedure flown.Non-Precision Approach Minima During a non-precision approach, the lowest altitude you can safely descend to is called the 6Minimum Descent Altitude9 or MDA. You can fly level at the MDA until reaching your Missed Approach Poinf or MAPt. This is where you decide to continue or go-around. MDA will be an altitude Above Mean Sea Lever or AMSL. Based upon the QNH and read on the BARO al

4、timeter.Approach Minima If you dont see the RWY at the minima : GO-Around ! (decision altitude.) Are used to determine whether you can fly an approach Tell you how low you can safely go without seeing the RWY Assure go-around obstacle clearance, even in the event of a missed approach with engine failureApproach Minima Are published for every approach, considering visibility, obstacle clearance and aircraft performance limitations. Are found on the approach charts Are different for every approach

5、 and may vary depending the current conditions. These can be: - Aircraft equipment and Type (Category) 一 Airport equipment and/or local procedures 一 Aircrew qualificationAircraft CategoryEvery aircraft type has one of the following approach categories based on average approach speed : Category A:Speed 91 kts. (eg. C172, PA28, .) Category B:Speed 91 kts 121 kts. (eg. King Air) Category C:Speed 121 kts 141 kts. (eg. B737, A320,.) Category D:Speed 141 kts 166 kts. (eg. Concorde)As a pilot, you shou

6、ld know under which category your aircraft type is classified.LFOB/BVATILLEJEPPESEIM10 FEB 06BEAUVAIS, FRANCE VOR Rwy 13*PARI5-l* Bour.，ATIS120.0AT1S118.37 BFAUVAIS Approx!1 19.9VORBVS1 15.9FinalApch Crs125With DME W/o DMEMinimum Alt ； Minimum A/fD6.2； Lctr2000“6，1 52。 16V)MDA(H)72O,，J6 力missed arch： Climb on R-305 inbound to BVS VOR, then turn LEFT (MAX 200 KT) to Lctr climbing to 20001.Climb to 1300 prior to level acceleration.Apt Elev 359MSA BV Lcfr*BFAUVAIS Towe121.42400,Alt Set: hPaApi Elev

7、: 13 hPaTrans By ATCTrans alt: 4000(f local ATS rx)t available obtain PmrirL。Bourg。】 ohlmotor rotting from PAR【SL。Bourgof ATIS.49-35PROCEDURE PROHIBITED WHEN LF(R)53 B ACTIVED9.0LF；Ri-53 8-49-30-49方78TWZo With Bl DME: 2000* within D20.0 BI.O With Bl DME: 20QQ within D10.0 BI.A-D6.2391 BVD4.7HS DMMHA 2000MAX 5000 MAX 200 KTtBEAUVAIS1 15.9 BVS778, IIAF)DI.775%791XExample : Straight-in MDA for this approach is 720ft MSL for all01,50 81 DMEALTITUDED9.0968,叱8 5.0 162002 10102-20I1300,30980,aircraft c

8、ategories. For B737 (Cat C) you require at least 1800m of RVR.W/o DME 2000,Min M305。u.7D8.3 D6.21520:BVS VOR2.1DI.2-M，!APT3597090too“。940I6()3694745276327378433:002:202:061:451:301:19RA1GHT-IN LANDING RWY 13Ged 3pxdKtsD 尊5.2%，D 1.2 or3.5RflLPAPLLBVSVSR-305MDA(H) 7 20Z.36 7 7“A Z KfMOA(H)WW/o Local ATS DMDA(H)VISARVR ISOOm1 108607$。，)1500m1000(6/1500m81358707s/9 1600m10107651。 9600mcRVR J 600m1801000764r； 2400m1 40 (78T) 2400mD2000m205106077。，3 3600m1200/84/3 3600mD NIGHT: NOT AUTHORIZED.CIRCLE TO-LAND TO RWY 13/31 CAT C & D: Prohibited South of rwyCHANGES: Pfxdur boariegs.I JEPFF5EN SANCCRSON. INC. 2901. 2006. All MIGHTS keURVED.fOUTHSJjgppeseim CHARLEROI, BELGIUM24 DEC 04 QTj)ILS Rwy 25ATISCHAtlCROI Approach |R)CHARlCtOI TowerGround115.734.621 19.7133.12121.3LOCIGC110.9Final

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