PROCEDURAL LEG TYPES

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UUUUUNNNNNSSSSSTECHNICALTRAINING

Report No. 3039sv60X/70X

241Page

PROCEDURAL LEG TYPES

SIDS, STARS, APPROACH TRANSITIONS, MISSED APPROACHES

Standard Instrument Departures (SID), Standard Terminal Arrival Routes (STAR), and

approaches consist of procedural legs that begin and end at prescribed locations or conditions. Aprocedural leg has two parts: a leg path and a leg terminator. The path of these legs can be flownalong a heading, a course, a great circle path, or even a constant arc. The termination of a leg canoccur at a specific geographic fix, at a VOR radial crossing, or when the aircraft attains a certainaltitude. The FMS with SCN 60X will fly the different procedural leg types as defined in ARINC424, of which airport departures and arrivals are comprised.

The following make up the twenty-three leg types that are currently in use:

Heading to Altitude VA

Heading to a DME Distance VD

Heading to a Next Leg Intercept VI

Heading to a Manual Termination VM

Heading to a Radial Termination VR

Course to an Altitude CA

Course to a DME Distance CD

Course to a Next Leg Intercept CI

Course to a Radial Termination CR

Course to a Fix CFTracking Between Two Fixes TF

Direct to a Fix DF

Course from a Fix to an Altitude FA

Course from a Fix to an Along Track Distance FC

Course form a Fix to a DME Distance FD

Course from a Fix to a Manual Termination FM

Constant DME Arc to a Fix AF

Hold to a Fix HF

Hold to an Altitude HA

Hold to a Manual Termination HM

Initial Fix IF

Procedure Turn to Intercept PI


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Copyright 2007 Jeppesen Sanderson, Inc.Reproduced with permission from Jeppesen Sanderson, Inc.FOR ILLUSTRATION PURPOSES ONLY; MAY NOT BE USED FOR NAVIGATION


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Heading to Intercept

Course to Fix

HEADING TO INTERCEPT (VI)

The aircraft will turn right to 165 HDG until

intercepting course 146 inbound to SUMMA.

COURSE TO FIX (CF)

The aircraft will turn left, intercept, and fly 146course to SUMMA intersection.


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Track to Fix

TRACK TO FIX (TF)

After SUMMA, the aircraft will fly a TRACK to FIXLEG of 147 initially from SUMMA to LKV VOR.


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Copyright 2007 Jeppesen Sanderson, Inc.Reproduced with permission from Jeppesen Sanderson, Inc.FOR ILLUSTRATION PURPOSES ONLY; MAY NOT BE USED FOR NAVIGATION.


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Course from Fix to DME Distance

Heading to DME Distance

DME Arc

HEADING TO DME DISTANCE (VD)

The VD leg is a heading to intercept DUG 10nmARC which is defined by the leg IZOSI to DUG 320radial.

ARC TO FIX (AF)

Upon intercepting the DUG 10 DME ARC, theaircraft will arc right to follow the 10 DME ARC tothe terminator of DUG R-320.

FIX TO DME DISTANCE (FD)

From the DUG VOR, the aircraft will track outboundon 051 course 10nm to IAF of IZMIR. The aircraftwill then turn left and follow the 10 DME ARC to theterminator, DUG R-345.


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Procedure Turn

PROCEDURE TURN TO INTERCEPT (PI)

After arriving at SHUTR, the aircraft will turn to 030then to 075 followed by a turn left to 255 at thecorrect time/distance interval to intercept 210course inbound.


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Initial Fix

IZUTU(TUS 288/26nm)

INITIAL FIX (IF)

IZUTU, defined by the TUS 288 radial at 26nm, isdesignated Initial Fix for NDB DME or GPS Rwy6R approach at KRYN. The aircraft will fly directfrom TUS VOR to IZUTU. The difference betweenthe FMS course of 289 and the TUS VOR radial of288 is attributed to the VOR declination of 12Eand the FMS magnetic variation of 11E.


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Course to Intercept

COURSE TO INTERCEPT (CI)

From EEN the Initial Approach Fix (IAF), on a

course of 333through SAFAD, the aircraft will

intercept the Localizer course of 050for the LOCDME Rwy 5 approach.


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Fix to Manual Termination

FIX TO MANUAL TERMINATION (FM)

FMS missed approach guidance to aircraft on theBermuda Islands ILS DME Rwy 30 will terminate on

a course of 293from BDA VOR and expectvectors.


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Course from Fix to Along Track Distance

D7.5

FIX TO A DISTANCE ON COURSE (FC)

The aircraft will fly a course of 125 from JIPSY to(+7.5) DME that is the lead-in RADIAL for the ILSintercept. The aircraft will then turn left to 88 HDGat (+7.5).


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copyright 2007 Jeppesen Sanderson, Inc.Reproduced with permission from Jeppesen Sanderson, Inc.FOR ILLUSTRATION PURPOSES ONLY; MAY NOT BE USED FOR NAVIGATION


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Heading to Altitude

6100

HEADING TO ALTITUDE (VA)On the missed approach, the FMS will command a

right climbing turn on a heading of 003 to an altitudeof 6100 and then direct YDL. The difference inheading is due to the FMS magnetic variationmodel.


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Course from Fix to Altitude

8000

COURSE FROM FIX TO ALTITUDE (FA)

Following takeoff, the aircraft will turn and follow the318 course from the HLN VOR to 8000.


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HF HA and HM LEGSHOLD TO FIXHOLD TO ALTITUDEHOLD TO MANUAL TERMINATION

The HF leg Hold to a fix will result in one orbit ofthe hold. It will sequence legs and exit after onecircuit. This type of hold is frequently used in anapproach where a holding pattern is used in lieu of aprocedure turn.

The HA leg Hold to Altitude is provided for aclimb in the holding pattern. On reaching theterminating altitude, the system will cross the holdingfix then sequence legs to proceed oncourse to the next waypoint in the flightplan.

The HM leg Hold to a manual termination doesexactly as the name implies. Leg sequencingrequires pilots intervention.

NOTE: SCN 601 requires manual insertion of any holding pattern used in a procedure and isnot capable of flying a HF or HA leg.

PROCEDURAL LEG TYPES

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