Chapter 25 - METAR

During aerodrome operating hours, METARs are usually issued:

• every 30 minutes

• every hour

• every 12 hours

• every 24 hours

BR in a METAR represents:

• Smoke

• Blowing

• Mist

• Hail

A TREND forecast is valid for:

• 90 minutes

• 60 minutes

• 30 minutes

• 120 minutes

In a METAR, "RE" means:

• reconfiguration of aircraft recommended

• recent significant weather

• reroute due to hazard

• reassign flight level

NOSIG in a METAR indicates no significant weather is expected in the next:

• 120 minutes

• 90 minutes

• 60 minutes

• 30 minutes

The following METAR was generated at SBCO:

SBCO 251100Z 10002KT 3500 BR NSC 10/10 Q1013

The "3500" in the METAR means:

• Clouds 3,500 feet

• Visibility 3,500 metres

• RVR 3,500 metres

• Freezing level at 3,500 feet

The following METAR was generated at New York JFK Airport:

KJFK 251151Z 18014KT 10SM OVC37 22/19 A2997

Which of the following is incorrect regarding this METAR?

• Visibility 10 statute miles

• Cloud cover 8/8

• Cloud ceiling 3700 feet

• Pressure at the airport is 29.97 inches of Mercury

The following METAR was generated at Shanghai Pudong Airport:

ZSPD 251200Z 05018G23MPS 3000 +SHRA BKN008 25/25 Q985 BECMG TL1340 SHRA

Which of the following is correct regarding this METAR?

• The amount of rain is expected to reduce until 1340HRS local time

• Clouds cover is 8/8 at 8 feet

• At time of observation, the airport is experiencing showers and rain

• Wind speed may be as strong as 45 knots

Which of the following is not a criteria for CAVOK?

• visibility must be 10SM or more

• height of the lowest cloud must be greater than 5000 feet

• no Cb or TCU in the area

• no significant weather in the area

Three forward slashes "///" is used in METARs:

• there is no cloud at the airport

• to indicate vertical visibility is not an issue

• to indicate if vertical visibility cannot be assessed

• wind is calm at the airport