{"id":"F2010L03086","name":"CASA EX101/10 – Exemption – use of radio-navigation aids by Airservices Australia","slug":"casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":85194,"registerId":"commonwealth-F2010L03086-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX101/10 – Exemption – use of radio-navigation aids by Airservices Australia","content":"Instrument number CASA EX101/10\n\nI, JOHN FRANCIS McCORMICK, Director of Aviation Safety, on behalf of CASA, make this instrument under regulation 11.160 of the Civil Aviation Safety Regulations 1998 (CASR 1998).\n\n\\[Signed John F. McCormick\\]\n\nJohn F. McCormick \nDirector of Aviation Safety\n\n26 November 2010\n\nExemption — use of radio\\-navigation aids by Airservices Australia\n\n1 Duration\n\nThis instrument:\n\n(a) commences on 1 December 2010; and\n\n(b) stops having effect at the end of 30 November 2012.\n\n2 Application\n\nThis instrument applies to Airservices Australia (AA), Aviation Reference Number 202210, as a certified designer under regulation 173.015 of CASR 1998.\n\n3 Exemption\n\nAA is exempt from compliance with regulation 173.105 of CASR 1998 to the extent mentioned in Schedule 1.\n\n4 Conditions\n\nThe exemption is subject to the conditions mentioned in Schedule 2.\n\nSchedule 1 Extent of exemption\n\n1The exemption operates only to the extent that the ground-based radio‑navigation aid used by AA is:\n\n(a) operated and maintained by the Australian Defence Force; and\n\n(b) identified and listed in an item of Table 1, and described for the item in columns 2, 3 and 4 of Table 1.\n\n2In Table 1:\n\nDAP document means the Departure and Approach Procedures document published by AA.\n\nDME arrival means an instrument approach using distance measuring equipment.\n\nGP means glide path as used for vertical guidance in an ILS.\n\nILS means instrument landing system.\n\nLOC means localiser, as used for lateral guidance in an ILS.\n\nmiddle marker means a radio aid used for position and altitude checking when flying an ILS.\n\nNAVAID means a navigation aid.\n\nNDB means non-directional beacon.\n\nouter marker means a radio\\-navigation aid used for position and altitude checking when flying an ILS.\n\nSID means a standard instrument departure published in the DAP document.\n\nTACAN means a UHF tactical air navigation aid.\n\nVOR means very high frequency (VHF) omni-directional radio range.\n\nTable 1\n\n```html\n

Column 1

Item and subitem number

Column 2

Location

Column 3

Identification

Column 4

NAVAID

Column 5

Used on AA DAP document

Column 6

Flight Check period (months)

1.1

EDINBURGH

IED

LOC (110.7)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

1.2

EDN

NDB (311)

ILS, NDB

12

1.3

EDN

TACAN (114.7)

ILS

12

2.1

AMBERLEY

IAM

LOC (110.7)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

2.2

AMB

NDB (359)

SID, ILS

12

2.3

AMB

TACAN (114.7)

SID, ILS

12

3.1

EAST SALE

ESL

NDB (350)

DME arrival, ILS

West Sale

SID, DME arrival, NDB

12

3.2

ESL

TACAN (113.5)

DME arrival

West Sale

DME arrival, NDB

12

4.1

WILLIAMTOWN

IWM

LOC (110.5)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

4.2

WLM

NDB (365)

SID, DME arrival, ILS, NDB

12

4.3

WLM

TACAN (113.3)

SID, DME arrival, ILS, NDB

12

5.1

NOWRA

INA

LOC (108.5)

ILS

6

GP

ILS

6

5.2

INA

DME (108.5)

ILS

6

Outer marker

ILS

6

5.3

NWA

NDB (359)

SID, DME arrival, ILS, NDB

12

5.4

NWA

TACAN (116.4)

SID, DME arrival, NDB

12

6.1

OAKEY

IOK

LOC (110.5)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

6.2

OK

VOR (112.9)

SID, DME arrival, ILS, VOR

18

6.3

OK

DME (112.9)

SID, DME arrival, ILS, VOR

18

6.4

BRYMAROO

BMR

NDB (242)

ILS, VOR

6

7.1

PEARCE

Runway 18L

IPE

LOC (110.7)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

7.2

PEA

NDB (340)

SID, ILS

12

7.3

PEA

TACAN (112.8)

ILS

12

8.1

POINT COOK

PCK

NDB (419)

NDB

12

9.1

RICHMOND

IRI

LOC (110.7)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

9.2

RIC

NDB (347)

SID, ILS, NDB

12

9.3

RIC

TACAN (110.7)

SID, ILS, NDB

12

9.4

TINDAL

ITN

LOC (110.7)

ILS

6

GP

ILS

6

Middle marker

ILS

6

Outer marker

ILS

6

10.1

TDL

TACAN (112.3)

SID, DME arrival, ILS, VOR

12

11.1

TOWNSVILLE

TVL

NDB (276)

SID, DME arrival, ILS, NDB

12

\n```\n\nSchedule 2 Conditions\n\nEach ground-based radio-navigation aid mentioned in an item of Table 1 in Schedule 1 must be:\n\n(a) used by AA as mentioned for the item in column 5 of Table 1; and\n\n(b) flight checked by AA in accordance with the flight check period mentioned for the item in column 6 of Table 1.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-realtime","completionTokens":4064},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is the original exemption instrument; the scope remains limited to the specified ADF radio-navigation aids without expansion beyond the listed locations and equipment types."},"complexity_factors":["Technical aviation terminology requiring definitions (ILS, TACAN, NDB, VOR, DME, LOC, GP, SID)","Cross-references to external Civil Aviation Safety Regulations (regs 11.160, 173.015, 173.105)","Detailed tabular schedule listing over 40 specific navigation aid components across 11 defence locations","Layered conditional logic: exemption applies only if ADF-operated AND listed in Table 1 AND used for stated purpose AND flight-checked to specified period"],"plain_english_summary":"This instrument lets Airservices Australia design civil flight procedures using specified ground‑based radio navigation aids that are owned and operated by the Australian Defence Force without fully meeting CASR 173.105. It therefore authorises use of listed ADF systems (e.g., ILS, NDB, TACAN at named defence bases) that would otherwise be excluded.\n\nIt affects AA and pilots relying on those procedures and imposes strict limits: use only for specified procedures, ADF operation/maintenance, and regular flight‑checks."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"The instrument creates a limited, time‑bound exemption to an existing regulatory requirement for specified ADF‑operated NAVAIDs. The text contains no indication that it alters the underlying regulatory scope beyond that focused, temporary exemption, so there is no evidence in the instrument itself of a change from the original regulatory scheme."},"complexity_factors":["Temporal limitation (Clause 1): instrument is temporary (1 Dec 2010–30 Nov 2012), requiring tracking of expiry and renewal.","Narrow, conditional exemption (Clause 3 & Schedule 1): exemption applies only to ADF‑operated NAVAIDs that are explicitly listed in Table 1, creating a need to match physical aids to table items.","Detailed operational conditions (Schedule 2): AA must use each NAVAID only as specified in Table 1, tying compliance to AA’s DAP document (Schedule 1 definitions).","Variable flight‑check obligations (Table 1, Column 6): different listed NAVAIDs carry different flight‑check periods (6, 12, 18 months), increasing administrative scheduling complexity and compliance burden on AA.","Cross‑references to CASR and AA design certification (Clause 2 & Clause 3): applies only to AA as a certified designer under reg 173.015 and exempts reg 173.105 — requires legal interpretation of interacting regulations.","Large, technical table (Schedule 1 Table 1): many entries with site identifiers, frequencies, NAVAID types and uses (Column 3–5) demand technical accuracy and coordination with ADF‑maintained assets.","Delegated administrative power (instrument made under reg 11.160): discretionary administrative action by the Director governs scope and conditions, so implementation relies on executive instrument rather than primary legislation."],"plain_english_summary":"Mechanically: the Director granted Airservices Australia (AA) a temporary, partial exemption from regulation 173.105 of CASR 1998 for specific ground‑based radio‑navigation aids that are operated by the Australian Defence Force and listed in Table 1. AA may use those aids only as set out in its Departure and Approach Procedures and must perform flight checks at the intervals in Table 1. Who it affects and why it matters: it changes AA’s compliance and inspection duties for the named ADF NAVAIDs from 1 Dec 2010 to 30 Nov 2012."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia","history":"/api/acts/casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia/history","analysis":"/api/acts/casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia/analysis","conflicts":"/api/acts/casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia/conflicts","importantCases":"/api/acts/casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia/important-cases","documents":"/api/acts/casa-ex101-10-exemption-use-of-radio-navigation-aids-by-airservices-australia/documents"}}