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What are IFR conditions?
Ceiling less than 1000 feet and/or visibility less than 3 miles.
3462. (Refer to figure 12.) Which of the reporting stations have VFR weather?
KINK, KBOI, and KLAX.
3463. For aviation purposes, ceiling is defined as the height above the Earth's surface of the
lowest broken or overcast layer or vertical visibility into an obscuration.
3464. (Refer to figure 12.)
The wind direction and velocity at KJFK is from?
180° true at 4 knots.
3465. (Refer to figure 12.)
What are the wind conditions at Wink, Texas (KINK)?
110° at 12 knots, gusts 18 knots.
3466. (Refer to figure 12.)
The remarks section for KMDW has RAB35 listed. This entry means
rain began at 1835Z.
3467. (Refer to figure 12.)
What are the current conditions depicted for Chicago Midway Airport (KMDW)?
Sky 700 feet overcast, visibility 1-1/2SM, rain.
3472. (Refer to figure 14.)
The base and tops of the overcast layer reported by a pilot are
7,200 feet MSL and 8,900 feet MSL.
3473. (Refer to figure 14.)
The wind and temperature at 12,000 feet MSL as reported by a pilot are
080° at 21 knots and -7 °C.
3474. (Refer to figure 14.)
If the terrain elevation is 1,295 feet MSL, what is the height above ground level of the base of the ceiling?
505 feet AGL.
3475. (Refer to figure 14.)
The intensity of the turbulence reported at aspecific altitude is
light from 5500 feet to 7200 feet.
3476. (Refer to figure 14.)
The intensity and type of icing reported by a pilot is
light to moderate rime.
3479. (Refer to figure 15.)
What is the valid period for the TAF for KMEM?
1800Z to 1800Z.
3480. (Refer to figure 15.) In the TAF for KMEM, what does "SHRA" stand for
3481. (Refer to figure 15.)
Between 1000Z and 1200Z the visibility at KMEM is forecast to be
3 statute miles.
3482. (Refer to figure 15.)
What is the forecast wind for KMEM from 1600Z until the end of the forecast?
Variable in direction at 6 knots.
3483. (Refer to figure 15.)
In the TAF from KOKC, the "FM (FROM) Group" is forecast for the hours from 1600Z to 2200Z with the wind from
180° at 10 knots.
3484. (Refer to figure 15.)
In the TAF from KOKC, the clear sky becomes
overcast at 2,000 feet during the forecast period between 2200Z and 2400Z.
3485. (Refer to figure 15.)
During the time period from 0600Z to 0800Z, what visibility is forecast for KOKC?
Greater than 6 statute miles.
3486. The only cloud type forecast in TAF reports is
3478. From which primary source should information be obtained regarding expected weather at the estimated time of arrival if your destination has no Terminal Forecast?
3487. To best determine general forecast weather conditions over several states, the pilot should refer to
3488. (Refer to figure 16.)
What is the outlook for the southern half of Indiana after 0700Z?
3489. To determine the freezing level and areas of probable icing aloft, the pilot should refer to the
Inflight Aviation Weather Advisories.
3490. The section of the Area Forecast entitled "VFR CLDS/WX" contains a general description of
clouds and weather which cover an area greater than 3000 square miles and is significant to VFR flight operations.
3491. (Refer to figure 16.)
What sky condition and visibility are forecast for upper Michigan in the eastern portions after 2300Z?
Ceiling 1000 feet overcast and 3 to 5 statute miles visibility
3492. (Refer to figure 16.)
The Chicago FA forecast section is valid until the 25th at
3493. (Refer to figure 16.)
What sky condition and type obstructions to vision are forecast for upper Michigan in the western portions from 0200Z until 0500Z?
Ceiling becoming 1000 feet overcast with visibility 3 to 5 statute miles in mist.
3500. (Refer to figure 17.)
What wind is forecast for STL at 9,000 feet?
230° true at 32 knots.
3501. (Refer to figure 17.)
What wind is forecast for STL at 12,000 feet?
230° true at 39 knots.
3502. (Refer to figure 17.)
Determine the wind and temperature aloft forecast for DEN at 9,000 feet.
230° true at 21 knots, -4° C
3503. (Refer to figure 17.)
Determine the wind and temperature aloft forecast for MKC at 6,000 feet.
200° true at 6 knots, 3° C
3504. (Refer to figure 17.)
What wind is forecast for STL at 34,000 feet?
230° true at 106 knots, -49° C
3505. What values are used for Winds Aloft Forecasts?
True direction and knots.
3506. When the term "light and variable" is used in reference to a Winds Aloft Forecast, the coded group and windspeed is
9900 and less than 5 knots.
3507. (Refer to figure 18.)
What is the status of the front that extends from Nebraska through the upper peninsula of Michigan?
3508. (Refer to figure 18.)
The IFR weather in northern Texas is due to
low ceilings. (and visibility, but not part of the answer)
3509. Of what value is the Weather Depiction Chart to the pilot?
For determining general weather conditions on which to base flight planning.
3510. (Refer to figure 18.)
The marginal weather in central Kentucky is due to
3511. (Refer to figure 18.)
What weather phenomenon is causing IFR conditions in central Oklahoma?
Low ceilings and visibility
3512. (Refer to figure 18.)
According to the Weather Depiction Chart, the weather for a flight from southern Michigan to north Indiana is ceilings
greater than 3000 feet and visibility greater than 5 miles.
3513. Radar weather reports are of special interest to pilots because they indicate
location of precipitation along with type, intensity, and cell movement of precipitation.
3514. What information is provided by the Radar Summary Chart that is not shown on other weather charts?
Lines and cells of hazardous thunderstorms.
3515. (Refer to figure 19, area B.)
What is the top for precipitation of the radar return?
24,000 feet MSL
3516. (Refer to figure 19, area B.)
What type of weather is occuring in the radar return?
Light to moderate rain.
3517. (Refer to figure 19, area D.)
What is the direction an
d speed of movement of the cell?
North at 17 knots.
3518. (Refer to figure 19, area E.)
The top of the precipitation cell is
16,000 feet MSL
3519. What does the heavy dashed line that forms a large rectangular box on a radar summary chart refer to?
Severe weather watch area.
3520. How are Significant Weather Prognostic Charts best used by a pilot?
For determining areas to avoid (freezing levels and turbulence).
3521. (Refer to figure 20.)
Interpret the weather symbol depicted in Utah on the 12-hour Significant Weather Prognostic Chart.
Moderate turbulence, surface to 18,000 feet.
3522. (Refer to figure 20.)
What weather is forecast for the Florida area just ahead of the stationary front during the first 12 hours?
Ceiling 1000 to 3000 and/or visibility 3 to 5 miles with continuous precipitation.
3523. (Refer to figure 20.)
The enclosed shaded area associated with the low pressure system over northern Utah is forecast to have
3524. (Refer to figure 20.)
At what altitude is the freezing level over the middle of Florida on the 12-hour Significant Weather Prognostic Chart?
AIRMETs (WA) contain information on weather tha may be hazardous to
single engine, other light aircraft, and VFR pilots.
SIGMETs (WS) contain information on weather tha may be hazardous to
3495. What is indicated when a current CONVECTIVE SIGMET forecasts thunderstorms?
Thunderstorms obscured by massive cloud layers.
3496. What information is contained in a CONVECTIVE SIGMET?
Tornadoes, embedded thunderstorms, and hail 3/4 inch or greater in diameter.
3497. SIGMET's are issued as a warning of weather conditions hazardous to which aircraft?
3498. Which in-flight advisory would contain information on severe icing not associated with thunderstorms?
3499. AIRMETs are advisories of significant weather phenomena but of lower intensities than SIGMETs and are intended for dissemination to
3617. What service should a pilot normally expect from an En Route Flight Advisory Service (EFAS) station?
Actual weather information and thunderstorm activity along the route.
3455. When telephoning a weather briefing facility for preflight weather information, pilots should state
whether they intend to fly VFR only.
3456. To get a complete weather briefing for the planned flight, the pilot should request
a standard briefing.
3457. Which type weather briefing should a pilot request, when departing within the hour, if no preliminary weather information has been received?
a standard briefing.
3458. Which type of weather briefing should a pilot request to supplement mass disseminated data?
An abbreviated briefing.
3459. To update a previous weather briefing, a pilot should request
an abbreviated briefing.
3460. A weather briefing that is provided when the information requested is 6 or more hours in advance of the proposed departure time is
an outlook briefing.
3461. When requesting weather information for the following morning, a pilot should request
an outlook briefing.
3526. What should pilots state initially when telephoning a weather briefing facility for preflight weather information?
The intended route of flight and destination.
3527. What should pilots state initially when telephoning a weather briefing facility for preflight weather information?
Identify themselves as pilots.
3528. When telephoning a weather briefing facility for preflight weather information, pilots should state
the aircraft identifiation or the pilot's name.