I, JOHN FRANCIS McCORMICK, Director of Aviation Safety, on behalf of CASA, make this instrument under paragraph 9 (1) (c) of the Civil Aviation Act 1988, the definition of Manual of Standards in regulation 173.010 of the Civil Aviation Safety Regulations 1998 (CASR 1998) and under, and for, Part 173 of CASR 1998.
[Signed John F. McCormick]
John F. McCormick
Director of Aviation Safety
18 April 2011
Manual of Standards Part 173 Amendment Instrument (No. 1) 2011
1 Name of instrument
This instrument is the Manual of Standards Part 173 Amendment Instrument (No. 1) 2011.
2 Commencement
This instrument commences on the day after it is registered.
3 Amendment of the Manual of Standards Part 173
Schedule 1 amends the Manual of Standards (MOS) Part 173 — Standards Applicable to the Provision of Instrument Flight Procedure Design.
Schedule 1 Amendments
[1] Subsection 8.1.6.1
after
procedures
insert
, other than precision approach Category II or III,
[2] Subsection 8.1.6.2
after
procedures
insert
, other than precision approach Category II or III
[3] Subsection 8.1.6.2, Table 8-1
substitute
Table 8-1: Minimum visibility
| Lighting and Marking | Category I |
| | DH (ft) | RVR (m) | VIS (m) |
| High intensity approach lighting (HIAL) (900 m length), high intensity runway lighting (HIRL), and runway markings, as specified in Manual of Standards (MOS) Part 139 for a precision approach runway Category I | 200-250 | 550 | 800 |
| >250 | 1,000 | 1,200 |
| Short HIAL or approved approach lighting system, HIRL, and runway marking as above | HIAL <900 m and >740 m |
| 200-250 | 800 | 800 |
| For other HIAL length or other approved approach lighting systems |
| >250 | 1,000 | 1,200 |
| Approved lighting and marking not mentioned above | >250 | 1,500 | 1,500 |
[4] After subsection 8.1.6.2 (including Table 8-1)
insert
8.1.6.2A Minimum Values for precision approach Category II and III procedures. For an approach type mentioned in column 1 of Table 8-1A, the minimum visibility values approved for precision approach Category II or III procedures are those in column 2 of the Table which, subject to the aerodrome capability conditions mentioned in column 3 of the Table, correspond to the approach type.
Table 8-1A: Category II and III minimum visibility based on aerodrome capability
| Approach type | Minimum runway visual range (RVR) (metres) | Aerodrome capability |
| Precision approach Category II | 350 | Precision approach runway Category II. Precision approach Category II and III lighting system. Touchdown Zone (TDZ) RVR sensor and at least 1 RVR sensor at either the MID point or END zone. Airport meets Manual of Standards (MOS) Part 139 requirements for surface movement with an RVR ≥ 350 m. |
| 300 | Precision approach runway Category II or III. Precision approach Category II and III lighting system. TDZ RVR sensor and at least 1 RVR sensor at either the MID point or END zone. Airport meets Manual of Standards (MOS) Part 139 requirements for surface movement with an RVR < 350 m. |
| Precision approach Category IIIA | 175 | Precision approach runway Category III. Precision approach Category II and III lighting system. RVR sensors at all zones. Airport equipped for surface movement in RVR < 350 m. |
| Precision approach Category IIIB | 75 |
| Precision approach Category IIIC | Not applicable in the Australian environment. |
[5] Subsection 8.1.7.2
omit
not be less than
insert
not be less than any of the following
[6] Paragraph 8.1.7.2 (d)
omit
Category 1
insert
Category I
[7] After paragraph 8.1.7.2 (d)
insert
(e) threshold elevation plus 100 ft for precision approach Category II procedures.