AOT60 Flashcards
How long is a TAF valid At Auckland, Wellington, Christchurch and Ohakea?
30hrs
When a routine update is issued it’s valid for 27hrs (because the update is made 3hours after the old TAF’s issued and 3hrs before the new TAF’s issued.
How long is a TAF valid in Hamilton?
24hrs
How long is a Domestic TAF valid not including AA,WN,CH,OH,HN?
When issued between 11pm and midnight - 18hrs
When issued between 11am and midday - 12hrs
When are TAFs issued at AA, WN, CH, OH?
Every 6 hours (total of 4 per 24hrs)
A routine update will be issued between each TAF (total of 4 per 24hrs)
When added together there is an updated TAF every 3hrs
When are TAF’s issued at HN?
Every 6hrs
When are TAF’s issued at domestic Aerodromes not including AA, WN, CH, OH, HN
Every 12 hrs
1 at midnight and 1 at midday
How often are sigwx charts issued and how long are they valid?
4 times daily
2 are always issued and each is valid for 6hrs
1400z valid 1500-2100z and 2100-0300z
2000z valid 2100-0300z and 0300-0900z
0200z valid 0300-0900z and 0900-1500z
0800z valid 0900-1500z and 1500-2100z
How often are AAW’s issued and valid for?
Issued at 1100z valid from 12z-06z
Issued at 2100z valid from 21z-12z
(Issued twice daily at same time as grafors)
How often are GRAFOR’s issued and valid for?
Issued twice daily in sets of 3 at 1100z and 2100z (same times as AAW’s)
Issue 1 is valid 18z, 00z, 06z
Issue 2 is valid 00z, 06z, 12z
How long is a metar valid?
Only for the exact time it’s issued at. A metar is just a snapshot of current conditions
When and where are METAR and SPECI reports issued?
WP, OH, MF only during hours of attendance by atc or flight service.
They are issued hourly
What’s a SPECI?
A special report issued off METAR hours in METAR format
When must an airep special be reported?
Anytime hazardous met conditions are experienced which in the pilots opinion are or may become severe enough to warrant a sigmet. Must be reported to nearest ats unit.
How long is a sigmet valid?
4hrs
Is wind direction true or magnetic in a BWR (basic weather report)?
Magnetic
“If it’s written it’s true”
Is wind direction true or magnetic in a BWR (basic weather report)?
Magnetic
“If it’s written it’s true”
When and how is RVR reported
When viz drops below 1500m at AA and CH
Broken up into touchdown zone (TDZ) runway midpoint (MID) runway stop-end (END)
It will be added to the ATIS and reported to aircraft by ATC when commencing an approach or when requested by approach control.
Also touchdown zone RVR is automatically added to metar auto when viz below 1500m
What is MRA?
Minimum reception altitude
Lowest height VOR reception is guaranteed above MSA
What is MFA?
Minimum flight altitude
The lowest height an aircraft can fly considering terrain, airspace (special use such as restricted and volcanic hazard zones) and Nav aid reception.
It’s the highest out of MSA, MEA, MRA
What is MEA?
Minimum enroute altitude
It’s the lowest safe altitude along a route taking into account NDB reception and MSA
What is MSA?
Minimum safe altitude
The lowest safe altitude ensuring terrain clearance.
Typically:
1000ft terrain clearance in non mountainous terrain
2000ft clearance in mountainous terrain
What do we use contingency fuel for and how much is it?
6% of the a-b burn or 5 minutes whichever is higher
It’s for any unforeseen changes such as delays, weather or emergencies
Is a TAF AGL or AMSL?
AGL
What’s our wake separation behind an a320?
None
Medium to medium