LAW 9 Air Traffic Services
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state requirements for Co-coordinating with an AFIS
- Maintain 2-way Coms on prescribed frequency
- And advise service prior to
- i) taxiing on manoeurvring area
- ii) Landing or taking off
- iii) Entering the traffic circuit
If no Coms are available you must advise them before taxiing - and before entering the traffic pattern. By phone i guess.
What reports must IFR conducted outside controlled airspace give
- Departure Time as soon as is practicable
- Enroute at least ever 30mins
- When changing level
- Prior to entering controlled airspace
- Prior to commencing instrument approach
Radar separation. What distance does this require? when can it be reduced
- 3NM when a/c within 60nm of
- - AKL, WGT, OHA, CHC, Te Weraiti
when a/c are on reciprocal tracks and their signatures have separated
State Minimum decent height in IMC at an unattended aerodrome where a traffic conflict may exsist
Only below IMC when PIC is happy no conflict in Viz down to 1500m
When a conflict is likely to not below 1200ft agl
State Minimum Lateral and Longitudinal Sep between RNP10 a/c as per ICAO
Lat and Long
RNP10 - 50NM
RNP4 - 30NM
How is MSA determined?
Set heading an min crossing altitudes are based on a 1.6% (100ft/nm) gradient.
1000ft over obstacles (2000ft) mountainous. When not survey has been done 100ft is added.
VORSEC and VORTEC charts. what are the conditions of leaving sector
- At or above next sector min altitude
- On promulgated route at or above MSA
- under radar control
- At or above 13,000 amsl
Describe radar Services available to VFR and IFR flights
- i) Radar Control and Radar FIS within Radar coverage in Class A, C, D Airspace
- ii) Radar FIS provided in Class G
- i) Radar Control and FIS provided in Class C, D airspace.
- iI) Not normally provided to VFR flights in Class G unless requested for nav assistance of in an emergency
- iii) Terrain clearance remains the responsibility of the pilot.
Describe the responsibility of the radar controller to keep an aircraft within controlled airspace
When and IFR a/c is being Vectored, the radar controller is responsible for terrain clearance, and ensuring the a/c remains within controlled airspace, except in an emergency.
What is the tolerance when an airspeed clearance is given by ATC
What is the distance from touchdown that a radar speed control can be maintained on and IFR and VFR approach
IFR - 5nm
VFR - 4nm
State met condition for controller to vector you onto a visual approach
- By Day only
- viz at least 16kms
- Ceiling at least 1000ft above applicable radar vectoring altitude
- By night at CHCH runway 11/29
- viz at least 16kms
- no cloud below 5000ft
state the criteria for a radar controller to to consider an unknown a/c to be on a conflicting path
tracks will reduce separation to 3nm
State the pilots actions under oceanic procedures, when a/c cant meet RNP10 criteria and will be entering RNP10 airspace.
- Must advise ATC
- i) 30mins prior to entering
- ii) immediately when within 30mins
- Before entering airspace, should review equipment:
- i) 2 primary alt systems
- ii) 1 automatic alt keeping device
- iii) 1 alt alerting device
- Must alert ATC if anything fails!
Altitudes must not be over or undershot by more than 150ft. Pilot must always report reaching any assigned alt.
If in non-RVSM a/c transiting airspace must say "NEGATIVE RVSM" in radio call.
State requirements for position reports by a/c using uncharted (Random) oceanic routes
every 5 or 10 degrees of Lat/Long or at least every 1hr 20mins
GNSS - State equipment required in NZ for "Primary Means"
- i) GPS equip approved to Level 1 CAA 2129
- ii) CAA2129 form has been endorsed for all intended IFR ops as primary means.
- Operate the GPS in accordance with the POH
- i) for Air Transport Ops have at least 2 operable sole means devices other than GPS
- ii) for other ops, have at least 1 other sole means device.
State the meaning of GPS "Sole means navigation system"
All 4 navigation system performance requirements
- 1) Accuracy
- 2) Integrity
- 3) Availability
- 4) Continuity of service
Pilots actions when GPS fails under IFR
- When en-route and RAIM warning has been up for 10mins or more
- i) advise ATC
- ii) verify the a/c position every 10 mins with another IFR approved system
Do not commence an approach with a RAIM warning.
When can you fly un-evaluated routes (random routing) with GPS?
When above FL150 (or FL160 withing 20nm of Mt Cook)
Inside controlled airspace only with ATC permission
Below FL150 if authorised by ATC and under Radar terrain monitoring.
State requirements for carrying out an instrument approach using GPS equipment as a primary means NAV system
- Obtain RAIM prediction prior to departure
- i) from onboard system
- ii) or from air traffic service
- Ensure on-route and approach
- i) database is current
- ii) checking GPS route against charts
State the requirements for nominating an alternate if GPS is the primary means
Alternate must be served by a fully operational nav aid with a published approach other than GPS, and the a/c must have the equipment to use it.
What would you like to do?
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