KAU IR9

AIRMETs are issued on a scheduled basis every

• A. 15 minutes after the hour only

• B. 15 minutes until the AIRMET is canceled

• C. six hours

The Hazardous Inflight Weather Advisory Service (HIWAS) is a continuous broadcast over selected VORs of

• A. SIGMETs, CONVECTIVE SIGMETs, AIRMETs, Severe Weather Forecast Alerts (AWW), and Center Weather Advisories

• B. SIGMETs, CONVECTIVE SIGMETs, AIRMETs, Wind Shear Advisories, and Severe Weather Forecast Alerts (AWW)

• C. Wind Shear Advisories, Radar Weather Reports, SIGMETs, CONVECTIVE SIGMETs, AIRMETs, and Center Weather Advisories (CWA)

Pilots of IFR flights seeking ATC in-flight weather avoidance assistance should keep in mind that

• A. ATC radar limitations and, frequency congestion may limit the controllers capability to provide this service

• B. circumnavigating severe weather can only be accommodated in the en route areas away from terminals because of congestion

• C. ATC Narrow Band Radar does not provide the controller with weather intensity capability

SIGMETs are issued as a warning of weather conditions potentially hazardous

• A. particularly to light aircraft

• B. to all aircraft

• C. only to light aircraft operations

Consider this AIRMET which includes your route of flight:

DFWS WA 211445 AIRMET IFR . . . OK TX FROM END TO TXK TO HOU TO LBB TO END CIG BELOW 010. CONDS ENDG 15-18Z

This indicates

• A. there will be icing in clouds below 10,000 feet MSL

• B. visibility will be less than 3 SM until 15Z

• C. the area will have low ceilings before 15Z

SIGMETs are issued as a warning of weather conditions potentially hazardous

• A. particularly to large commercial operators

• B. to all aircraft regardless of size or operating environment

• C. particularly to light aircraft

The reporting station originating this Aviation Routine Weather Report has a field elevation of 620 feet. If the reported sky cover is one continuous layer, what is its thickness (tops of OVC are reported at 6,500 feet)?

METAR KMDW 121856Z AUTO 32005KT 1 1/2SM +RA BR OVC007 17/16 A2980

• A. 5,180 feet

• B. 5,800 feet

• C. 5,880 feet

The station originating the following weather report has a field elevation of 1,300 feet MSL. From the bottom of the overcast cloud layer, what is its thickness (tops of OVC are reported at 3,800 feet)?

SPECI KOKC 2228Z 28024G36KT 3/4SM BKN008 OVC020 28/23 A3000

• A. 500 feet

• B. 1,700 feet

• C. 2,500 feet

Interpret the remarks section of METAR surface report for KBNA.

METAR KBNA 211250Z 33018KT 290V260 1/2SM R31/2700FT +SN BLSNFG VV008 00/M03 A2991 RMK RAESNB42

• A. The wind is variable from 290° to 360°

• B. Heavy blowing snow and fog on runway 31

• C. Rain ended 42 minutes past the hour, snow began 42 minutes past the hour

A ceiling is defined as the height of the

• A. highest layer of clouds or obscuring phenomena aloft that covers over 6/10 of the sky

• B. lowest layer of clouds that contributed to the overall overcast

• C. lowest layer of clouds or obscuring phenomena aloft that is reported as broken or overcast