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Procedure Design Considerations BEIJING, CHINA; 30 JUN-11 JUL 2014.

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Presentation on theme: "Procedure Design Considerations BEIJING, CHINA; 30 JUN-11 JUL 2014."— Presentation transcript:

1 Procedure Design Considerations BEIJING, CHINA; 30 JUN-11 JUL 2014

2 Learning Objectives ✈ By the end of this presentation you should understand: ✈ Procedure design considerations including: ✈ Path Terminators ✈ Waypoint Types ✈ Factors affecting turn radius ✈ By the end of this presentation you should understand: ✈ Procedure design considerations including: ✈ Path Terminators ✈ Waypoint Types ✈ Factors affecting turn radius 2

3 Conceptual Design: What Next? 3

4 Procedure Design Considerations RNAV Path Types 4

5 5 Why PBN

6 Slide 6 PBN Route Using Waypoints Waypoints

7 Path Terminators 7 Terminator Path C A D F I M R Altitude Distance DME distance Next leg Manual termination Radial termination Fix F Constant DME arc Course to Direct Track Course from a fix to Holding pattern Initial Constant radius Track between Heading to C D H R A I V T

8 Path Terminators ✈ Track to Fix - TF ✈ Direct to Fix - DF ✈ Course to Fix - CF ✈ Fix to Altitude - FA ✈ Course to Altitude - CA ✈ Heading to Altitude - VA ✈ Radius to Fix - RF ✈ Fix to Manual Termination – FM/VM ✈ Track to Fix - TF ✈ Direct to Fix - DF ✈ Course to Fix - CF ✈ Fix to Altitude - FA ✈ Course to Altitude - CA ✈ Heading to Altitude - VA ✈ Radius to Fix - RF ✈ Fix to Manual Termination – FM/VM 8

9 Track to Fix 9 TF Leg A B

10 Direct to Fix 10 Direct DF Leg Unspecified position A

11 Course to Fix 11 CF Leg 080 A 0

12 Fix to Altitude 12

13 Course to Altitude 13

14 Heading to Altitude 14

15 Radius to Fix 15 Previous Segment Arc Centre Next Segment A C B RF Leg

16 Fix to Manual Termination ° VM Leg Radar Vectors A FM Leg 120 0

17 Track Distances Between Turns 17 YaYaYaYa YbYbYbYb aaaa bbbb Legdist Fly-by WP rararara r b YaYaYaYa aaaa Legdist Fly-byWP Fly-over WP rararara aaaa Legdist Fly-overWP r a1 YbYbYbYb bbbb Fly-by WP aaaa Legdist Fly-overWP Fly-over WP r a1

18 18 Impact of Turn Performance Fly-By vs Fly-Over Impact of Turn Performance Fly-By vs Fly-Over Fly-By Fly-Over

19 Q2*t95-(43r/2) 19 Impact of Turn Performance Fly-By Impact of Turn Performance Fly-By DTA MinimumSegment Length= DTA1+DTA2 X-y2/(-9/43z) Q2*t95-(43r/2) J<>(t%w +(12#d-p4))

20 20 Impact of Turn Performance Speed Affects Turn Radius Impact of Turn Performance Speed Affects Turn Radius A B

21 21 Impact of Turn Performance Bank Angle Affects Turn Radius Impact of Turn Performance Bank Angle Affects Turn Radius A B

22 22 Impact of Turn Performance Fly-By Impact of Turn Performance Fly-By B A

23 23 Impact of Turn Performance A B

24 24 Impact of Turn Performance A B

25 25 Impact of Turn Performance Turn Start Point ->

26 26 Impact of Turn Performance A B

27 27 Impact of Turn Performance A B

28 28 Impact of Turn Performance A B

29 29 Impact of Turn Angle

30 30 Impact of Turn Angle A B

31 31 Impact of Turn Angle A B

32 A B 32 Impact of Turn Angle

33 33 Impact of Turn Angle

34 34 Impact of Turn Performance RF Turns Impact of Turn Performance RF Turns Fix Radius All aircraft fly assigned radius

35 ATC Design Considerations ✈ Turns of more than 90 degrees may result in significant track variation. ✈ Turns of 60 to 90 degrees create more manageable track variations. ✈ Turns of 60 or less result in little track variation. ✈ RF turns result in little track variation. ✈ Turns of more than 90 degrees may result in significant track variation. ✈ Turns of 60 to 90 degrees create more manageable track variations. ✈ Turns of 60 or less result in little track variation. ✈ RF turns result in little track variation. 35

36 36 Impact of Turn Performance Controlling Angles & Speed Impact of Turn Performance Controlling Angles & Speed

37 Speed and Altitude Constraints ✈ Speed constraints allow tighter turns and can assist ATC function. ✈ Altitude constraints can provide separation from obstacles and other aircraft. ✈ Speed constraints allow tighter turns and can assist ATC function. ✈ Altitude constraints can provide separation from obstacles and other aircraft. 37

38 Procedure Design Considerations RNAV Approach Types { RNAV (GNSS) vs RNAV(RNP) } 38

39 PBNPBN39 ICAO State Letter SP 65/4-13/24 Proposes amendments to: PANS-OPS, Volume I PAN-OPS Volume II Annex 4 Annex 6, Parts I, II and III Annex 14, Volume II Annex 15 PANS-ABC Applicable on 13 November 2014

40 RNAV (GNSS) Approaches 40 IAF IF FAF MA pt IF/IAF FAF MA pt IAF T BarY Bar 70 o 90 o FAF With RF* RF MA pt IAF *PANS-OPS NOV o

41 RNAV (RNP) Approaches 41 FAF RNP-AR RF MA pt IAF

42 RNAV (GNSS and RNP) ✈ RNAV(GNSS) is an RNP approach ✈ RNAV(RNP) is an RNP-AR approach ✈ Letters in parenthesis are not said in clearance ✈ RNAV(GNSS) RWY22 and RNAV(RNP)RWY22 are both cleared as RNAV RWY22 approach. ✈ RNAV(GNSS) is an RNP approach ✈ RNAV(RNP) is an RNP-AR approach ✈ Letters in parenthesis are not said in clearance ✈ RNAV(GNSS) RWY22 and RNAV(RNP)RWY22 are both cleared as RNAV RWY22 approach. 42

43 RNAV (GNSS and RNP) State Letter SP 65/4-13/24 effective 13 NOV 2014State Letter SP 65/4-13/24 effective 13 NOV 2014 A one-step eight-year transition period, starting 13 November 2014, is being proposed to allow States sufficient time to develop a transition plan and to convert the existing RNAV approach procedures to RNP by A one-step eight-year transition period, starting 13 November 2014, is being proposed to allow States sufficient time to develop a transition plan and to convert the existing RNAV approach procedures to RNP by ICAO will issue a new circular (Circ 336 — Circular on Conversion of RNAV to RNP Approach Chart Depiction)ICAO will issue a new circular (Circ 336 — Circular on Conversion of RNAV to RNP Approach Chart Depiction) From 1 December 2022:From 1 December 2022: charts depicting procedures that meet the RNP APCH navigation specification criteria shall include the term RNP in the identification (e.g. RNP RWY 23).charts depicting procedures that meet the RNP APCH navigation specification criteria shall include the term RNP in the identification (e.g. RNP RWY 23). charts depicting procedures that meet the RNP AR APCH navigation specification shall include the term RNP in the identification with a parenthetical suffix (AR). (e.g. RNP RWY 23 (AR)).charts depicting procedures that meet the RNP AR APCH navigation specification shall include the term RNP in the identification with a parenthetical suffix (AR). (e.g. RNP RWY 23 (AR)). State Letter SP 65/4-13/24 effective 13 NOV 2014State Letter SP 65/4-13/24 effective 13 NOV 2014 A one-step eight-year transition period, starting 13 November 2014, is being proposed to allow States sufficient time to develop a transition plan and to convert the existing RNAV approach procedures to RNP by A one-step eight-year transition period, starting 13 November 2014, is being proposed to allow States sufficient time to develop a transition plan and to convert the existing RNAV approach procedures to RNP by ICAO will issue a new circular (Circ 336 — Circular on Conversion of RNAV to RNP Approach Chart Depiction)ICAO will issue a new circular (Circ 336 — Circular on Conversion of RNAV to RNP Approach Chart Depiction) From 1 December 2022:From 1 December 2022: charts depicting procedures that meet the RNP APCH navigation specification criteria shall include the term RNP in the identification (e.g. RNP RWY 23).charts depicting procedures that meet the RNP APCH navigation specification criteria shall include the term RNP in the identification (e.g. RNP RWY 23). charts depicting procedures that meet the RNP AR APCH navigation specification shall include the term RNP in the identification with a parenthetical suffix (AR). (e.g. RNP RWY 23 (AR)).charts depicting procedures that meet the RNP AR APCH navigation specification shall include the term RNP in the identification with a parenthetical suffix (AR). (e.g. RNP RWY 23 (AR)). 43

44 Reminder Steps so far! ✈ What is the Intended Purpose – as per Airspace Concept ✈ Which Operators and Aircraft Types – as per traffic sample (assumptions) ✈ What is the Navaid Coverage – as per infrastructure assumptions ✈ What are the Environment Constraints – determined by Airspace Design Team ✈ What other Constraints, incl. obstacles? ✈ Design the Procedure ✈ What is the Intended Purpose – as per Airspace Concept ✈ Which Operators and Aircraft Types – as per traffic sample (assumptions) ✈ What is the Navaid Coverage – as per infrastructure assumptions ✈ What are the Environment Constraints – determined by Airspace Design Team ✈ What other Constraints, incl. obstacles? ✈ Design the Procedure 44

45 Thank You 45


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