ICAO Approach Classifications: Difference between revisions
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=ICAO approach classifications= | |||
[[image:ICAO-IAP.png]] | [[image:ICAO-IAP.png]] | ||
Instrument licences are divided between 2D and 3D IAP endorsements, and there are cases where pilots do not have access to a 2D IAP, or in some remote areas have no access to 3D IAP. | |||
2D IAP are divided between: | |||
* Lateral guidance with Course Deviation Indicator, and | |||
* Azimuth Guidance via a relative bearing indicator. | |||
An instrument rating initial issue must test a 2D IAP <ref>https://www.casa.gov.au/licences-and-certificates/pilots/ratings-reviews-and-endorsements/instrument-ratings/instrument-approach-operations#2DIAPand3DIAPendorsements</ref> <ref>https://www.casa.gov.au/performance-based-navigation</ref>. | |||
An instrument rating initial issue must test a 2D IAP <ref>https://www.casa.gov.au/licences-and-certificates/pilots/ratings-reviews-and-endorsements/instrument-ratings/instrument-approach-operations#2DIAPand3DIAPendorsements | |||
</ref> . | |||
2D IAP covers: | 2D IAP covers: | ||
# NDB | # NDB | ||
# VOR and LOC | # VOR and LOC <ref group="note">If you have shown competency conducting VOR approaches, CASA considers you skilled enough to conduct LOC approaches. A LOC approach is flown with reference to the VOR when the ILS GS signal fails (and the NAV is switched back to the VOR frequency).</ref> | ||
# DGA (DME/GNSS arrival) | # DGA (DME/GNSS arrival) | ||
# RNAV GNSS LNAV (RNP LNAV) or RNAV GNSS LP (RNP-LP) | # RNAV GNSS LNAV (RNP LNAV) or RNAV GNSS LP (RNP-LP) | ||
3D IAO covers: | 3D IAO covers: | ||
# Precision: ILS with LOC and GS | # Precision: ILS with LOC and GS | ||
3D does not cover: | 3D does '''not''' cover: | ||
* RNAV GNSS VNAV | * RNAV GNSS VNAV <ref group=note>Even if your aircraft system displays GS, due to advisory limitations and the lack of IAP minimas published in Australian a VNAV / LVP approach must be flown to 2D minimas and does not satisfy the requirements of demonstrating a 3D approach.</ref> | ||
Recency requirements to | ==recency== | ||
* 3D IAP - | Recency requirements to conduct an IAP: | ||
* 2D IAP - lateral | * 3D IAP - a 3D approach must have conducted in last 90 days | ||
* 2D IAP - lateral, a 2D lateral approach must have conducted in last 90 days | |||
* Azimuth IAP - an Azimuth approach must have been conducted in the last 90 days | * Azimuth IAP - an Azimuth approach must have been conducted in the last 90 days | ||
=notes= | =notes= | ||
<references group="note"/> | <references group="note"/> | ||
=references= | =references= | ||
<references/> | <references/> | ||
==categories== | |||
[[category:IFR]] | |||
[[category:Aviation]] | |||
[[Category:Instrument Flying]] | |||
[[Category:Aviation Publication]] | |||
[[category:public]] | |||
Latest revision as of 15:08, 14 February 2025
ICAO approach classifications
Instrument licences are divided between 2D and 3D IAP endorsements, and there are cases where pilots do not have access to a 2D IAP, or in some remote areas have no access to 3D IAP.
2D IAP are divided between:
- Lateral guidance with Course Deviation Indicator, and
- Azimuth Guidance via a relative bearing indicator.
An instrument rating initial issue must test a 2D IAP [1] [2].
2D IAP covers:
- NDB
- VOR and LOC [note 1]
- DGA (DME/GNSS arrival)
- RNAV GNSS LNAV (RNP LNAV) or RNAV GNSS LP (RNP-LP)
3D IAO covers:
- Precision: ILS with LOC and GS
3D does not cover:
- RNAV GNSS VNAV [note 2]
recency
Recency requirements to conduct an IAP:
- 3D IAP - a 3D approach must have conducted in last 90 days
- 2D IAP - lateral, a 2D lateral approach must have conducted in last 90 days
- Azimuth IAP - an Azimuth approach must have been conducted in the last 90 days
notes
- ↑ If you have shown competency conducting VOR approaches, CASA considers you skilled enough to conduct LOC approaches. A LOC approach is flown with reference to the VOR when the ILS GS signal fails (and the NAV is switched back to the VOR frequency).
- ↑ Even if your aircraft system displays GS, due to advisory limitations and the lack of IAP minimas published in Australian a VNAV / LVP approach must be flown to 2D minimas and does not satisfy the requirements of demonstrating a 3D approach.