Aircraft Operations

I-4-8-4
Procedures — Aircraft Operations — Volume I
8.4.9.2 Both the procedure altitude/height and the minimum altitude for obstacle clearance shall be published. In
no case will the procedure altitude/height be lower than any minimum altitude/height for obstacle clearance.
8.4.9.3 The designed stabilized descent path will clear the stepdown fix minimum obstacle clearance altitude.
This is achieved by increasing the descent gradient/angle by:
a) increasing the procedure altitude/height at the FAF; or, if this is not possible,
b) moving the FAF toward the landing threshold.
8.5 PROCEDURE NAMING FOR ARRIVAL AND APPROACH CHARTS
8.5.1 Instrument flight procedure naming convention
8.5.1.1 This paragraph describes the general aspects of instrument procedure naming. Specific aspects are covered
in the appropriate chapters. A standardized naming convention is required to avoid ambiguity between charts,
electronic cockpit displays and ATC clearances. This convention affects the following charting aspects:
a) procedure identification;
b) additional equipment requirements; and
c) minimum boxes.
8.5.1.2 Procedure identification
8.5.1.2.1 General. The procedure identification shall only contain the name describing the type of radio
navigation aid providing the final approach lateral guidance. Precision approach systems such as ILS or MLS shall be
identified by the system name (ILS, MLS, etc). If two radio navigation aids are used for final approach lateral
guidance, the title shall only include the last radio navigation aid used. For example:
If an NDB is used as the FAF, and a VOR is used as the last navaid on the final approach to runway 06, the
procedure shall be identified as VOR Rwy 06. If a VOR is used for the initial approach followed by a final
approach to Rwy 24 using an NDB, the procedure shall be identified as NDB Rwy 24.
8.5.1.2.2 Additional navaids. If additional navigation aids are required (such as fix formations or transition routes)
for the approach procedure, they shall be specified on the plan view of the chart, but not in the title.
8.5.1.2.3 Multiple procedures. A single approach chart may portray more than one approach procedure when the
procedures for the intermediate approach, final approach and missed approach segments are identical. If more than one
approach procedure is depicted on the same chart, the title shall contain the names of all the types of navigation aids
used for final approach lateral guidance, separated by the word “or”. There shall be no more than three types of
approach procedure on one chart. For example:
ILS or NDB Rwy 35L
23/11/06