CASA 331/11 – Instructions – GLS approach procedures (Cth)

Instrument number CASA 331/11

I, GREGORY JAMES HOOD, Executive Manager, Operations Division, a delegate of CASA, make this instrument under subregulation 11.260 (1) of the Civil Aviation Safety Regulations 1998.

[Signed Greg Hood]

Greg Hood
Executive Manager
Operations Division

25 July 2011

Instructions — GLS approach procedures

1          Duration

                 This instrument:

(a)   commences on 1 August 2011; and

(b)   stops having effect at the end of 31 July 2014.

2          Dictionary

                 A dictionary for this instrument is in Schedule 4.

3          Application

                 This instrument applies to the use of the Honeywell Beta+ GBAS facility installed by Qantas at Kingsford Smith International Airport, Sydney (the KSA GBAS facility) by Qantas A380 aircraft conducting a GLS approach in accordance with Schedule 2.

4          Instructions

                 The instructions in Schedule 1 are issued.

Schedule 1          Instructions

        1     A pilot in command may use the KSA GBAS facility only when conducting a GLS approach for, and in accordance with, the Qantas trial mentioned in Schedule 2.

        2     A pilot in command may conduct a GLS approach below the lowest safe altitude on the relevant RTCC only if:

(a)   the ceiling is at least 3 000 feet above the terrain; and

(b)   the flight crew has the runway threshold in sight.

        3     An autoland operation is not permitted for revenue flights.

Schedule 2          Qantas trial

              The Qantas A380 trial of GLS approaches is a trial that:

(a)   matches the principles described in the Stage 1 GLS implementation proposal made to CASA by Qantas and contained in the document titled Qantas A380 GNSS Landing System (GLS) Implementation Proposal, Sydney Airport, Australia, Version 1.0 as supplied to CASA; and

(b)   complies with the conditions mentioned in Schedule 3.

Schedule 3          Conditions of the Qantas trial

        1     A GLS approach may only be conducted by an approved pilot in a Qantas A380 aircraft that has approved GLS receivers identified in the AFM.

        2     A GLS approach may only be conducted in accordance with the Qantas Flight Crew Operating Manual.

        3     Before commencing a GLS approach, the pilot in command must check and ensure that at least CAT 1 is displayed on the aircraft’s Flight Mode Annunciator.

        4     A GLS approach must not be used to satisfy any planning requirements for alternate aerodromes.

        5     A GLS approach must not be associated with LAHSO.

        6     CASA must be permitted by Qantas, on request, to attend:

(a)   any simulator training undertaken for GLS approaches; or

(b)   any line flight that includes those approaches.

        7     At intervals not exceeding 3 months, Qantas must report to CASA, in writing, the number of GLS approaches flown and, for each approach, each of the following events that occurred after passing the initial approach fix:

(a)   autoflight system disconnect;

(b)   single or dual GLS failure;

(c)   display of no computed data;

(d)   display of flashing warnings on the PFD;

(e)   Nav Data errors;

(f)    pilot report of any anomaly, including an approach and/or an autoland operation assessed by the pilot as unsatisfactory.

        8     Qantas must:

(a)   prepare an incident form and a feedback form for the GLS approaches trial; and

(b)   tell the flight crew and other persons involved in a GLS approach about the forms and make them available to those people; and

(c)   encourage them to complete the forms, without fear or favour, for Qantas reports to CASA.

        9     Qantas must immediately tell CASA of any matter concerning a GLS approach that relates to the safety of GLS approaches.

Schedule 4          Dictionary

              In this instrument:

AFM means aircraft flight manual.

approved pilot means a pilot employed by Qantas who has been trained for GLS approaches in accordance with the Qantas trial.

GLS means a GNSS Landing System that is augmented by a ground-based augmentation system (GBAS).

GLS approach means a GLS instrument approach procedure designed by a certified designer and published in the AIP under Part 173 of the Civil Aviation Safety Regulations 1998.

GNSS means a Global Navigation Satellite System.

LAHSO means land and hold short operations.

Qantas means Qantas Airways Limited, Aviation Reference Number 216147.

Qantas trial means the trial of GLS approaches mentioned in Schedule 2.

RTCC means a radar terrain clearance chart used by Air Traffic Control at Kingsford Smith International Airport.