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What type turbulence should be reported when it momentarily causes slight, erratic changes in altitude and/or attitude, one-third to two -thirds of the time?. occasional light chop. moderate chop. intermittent light turbulence.

What condition is indicated when ice pallets are encountered during flight?. freezing rain at higher levels. thunderstorms at higher levels. snow at higher levels.

Embedded thunderstorms , which can be hazardous during instrument flight , are most likely to occur. behind a fast-moving cold front. in a warm front occlusion. in a cold front occlusion.

which weather condition is defined as an anti-cyclone?. cal. high pressure. col.

frozen dew is. white and opaque. hard and opaque. hard and transparent.

which type clouds may be associated with the jetstream?. cumulonimbus cloud line where the jet stream crosses the cold front. cirrus clouds on the equatorial side of the jetstream. cirrostratus cloud band on the polar side and under the jetstream.

what weather feature occurs at altitude levels near the tropopause?. maximum winds and narrow wind shear zones. abrupt temperature increase above the tropopause. thin layers of cirrus (ice crystal) clouds at the tropopause level.

which atmospheric factor causes rapid movement of surface fronts?. upper winds blowing across the front. upper low located directly over the surface. the cold front overtaking and lifting the warm front.

in comparison to an approach in a moderate headwind, which is an indication of a possible wind shear due to a decreasing headwind when descending on the glide slope?. less power is required. higher pitch attitude is required. lower descent rate is required.

what temperature condition is indicated if precipitation in the form of wets snow occurs during flight?. the temperature is above freezing at flight altitude. the temperature is above freezing at higher altitudes. there is an inversion with colder air below.

constant pressure analysis charts contain contours, isotherms and some contain isotachs. the contours depict. ridges, lows, troughs and highs aloft. highs, lows troughs and ridges on the surface. highs, lows, troughs and ridges corrected to MSL.

what weather is predicted by term VCTS in a terminal aerodrome forecast (TAF)?. thunderstorms are expected in the vicinity. thunderstorms may occur over the station and within 50 miles of the station. thunderstorms are expected between 5 and 25 miles of the runway complex.

which of the following weather conditions are conductive to in-flight icing?. visible rain with temperature below 0 degrees. visible rain with temperature below 10 degrees C. visible rain with temperature below5 degrees C.

where do squall lines most often developed?. in a occluded front. ahead of a cold front. behind a stationary front.

what is an important characteristic of wind shear?. it is primarily associated with the lateral vortices generated by thunderstorms. it usually exists only in the vicinity of thunderstorms, but may be found near a strong temperature inversion. it may be associated with either a wind shift or a windspeed gradient at any level in the atmosphere.

which INITIAL cockpit indications should a pilot be aware of when a headwind shears to a calm wind?. indicated air speed decreases, aircraft pitches up, and altitude decreases. indicated airspeed increases, aircraft pitches down, and altitude increases. indicated airspeed decreases, aircraft pitches down, and altitude decreases.

Códigos transponder. secuestro. falla de comunicaciones. emergencia.

Frecuencias de emergencias. VHF. UHF. HF.

INGLÉS TÉCNICO. PUSH BACK. CATERING. FLIGHT CONTROL FAILURES. AISLE.

Speeds. Vs. V1. V2. Vfs. Vx. Vy.

weather conditions expected to occur in the vicinity of the airport, but not at the airport, are denoted by the letters V(c) appears in a terminal aerodrome forecast, it covers a geographical area of. a 5 to 10 statute mile radius from the airport. a 5 mile radius of the center of a runway complex. 10 miles of the station origination the forecast.

the most likely condition in which to experience severe inflight icing with the ambient temperature below 0 degrees C is. rain. visible moisture. fog.

a PROB40 (PROBability) HHhh group in an international Terminal Aerodrome Forecast (TAF) indicates the probability of. thunderstorms or other precipitation. precipitation or low visibility. thunderstorms or high wind.

in the international Terminal Aerodrome Forecast (TAF), a variable wind direction is noted by VRB where the three digit direction usually appears. A calm wind appears in the TAF. 00003kt. VRB00KT. 00000KT.

an aircraft that encounters a headwind of 40 knots, within a microburst, may expect a total shear across the microburst of. 40 knots. 80 knots. 90 knots.

where is the usual location of a thermal low?. over the arctic region. over the eye of a hurricane. over the surface of a dry, sunny region.

which weather condition is an example of a nonfrontal instability band?. squall line. advective fog. frontogenesis.

atmospheric pressure changes due to a thunderstorm will be at the lowest value. during the downdraft and heavy rain showers. when the thunderstorms is approaching. immediately after the rain showers have stopped.

which feature is associated with the tropopause?. absence of wind and turbulence. absolute upper limit of cloud formation. abrupt change of temperature lapse rate.

what is a likely location of clear air turbulences?. in a upper trough on the polar side of a jetstream. near a ridge aloft on the equatorial side of a high pressure flow. downstream of the equatorial side of a jetstream.

which primary source contains information regarding the expected weather at the destination airport, at the ETA?. low level prog chart. weather depiction charts. terminal aerodrome forecast.

what is the result when water vapor changes to the liquid state while being lifted in a thunderstorms. latent heat is released to the atmosphere. latent heat is transformed into pure energy. latent heat is absorbed from the surrounding air by the water droplet.

what is a feature of supercooled water?. the water drop sublimates to an ice particle upon impact. the unstable water drop freezes upon striking an exposed object. the temperature of the water drop remains at 0°C until it impacts a part of the airframe, then clear ice accumulates.

maximum turbulence potential charts (GTG-2) are issued. every morning at 0400. two times a day. hourly.

when flying in the rain and an air temperature of 1 degree C, a pilot should. not expect icing until the air temperature is 0 degrees C or less. use autopilot in icing to decrease the work load. be aware of the possibility of airframe icing.

Adiabatic warming is also described as. chronographic warming. expansional heating. compressional heating.

when does minimum temperature normally occur during a 24 hour period?. after sunrise. about 1 hour before sunrise. at midnight.

which weather conditions is present when the tropical storm is upgraded to a hurricane?. highest windspeed, 100 knots or more. a clear area or hurricane eye has formed. sustained winds of 65 knots or more.

data that may be added (manual weather augmentation) to the automated weather observing system (AWOS) report is limited to. the precipitation accumulation report, an automated variable visibility and wind direction remark. thunderstorms (intensity and direction), precipitation (type and intensity) and obstructions to visibility (dependent on the visibility being 3 miles or less. density altitude, notams and reported slant range visibility.

for a flight to an airport in the vicinity of the coast, land surface cooling means you can expect to encounter. sea breezes. land breezes. a chinook wind.

during the life cycle of a thunderstorm, which stage is characterized predominantly by downdrafts?. cumulus. dissipating. mature.

isobars on a surface weather chart represent lines of equal pressure. at the surface. reduced to sea level. at a given atmospheric pressure altitude.

what is the primary cause of all changes in the earth´s weather?. variations of solar energy at the earth´s surface. change in air pressure over the earth´s surface. movement of air masses from moist areas to dry areas.

which are the only cloud types forecast in the TAF?. altocomulus. cumulonimbus. stratocumulus.

at which location does coriolis force have the least effect on wind direction?. at the poles. middle latitudes (30° to 60°). at the equator.

which is a definition of severe wind shear?. Any rapid change of horizontal wind shear in excess of 25 knots; vertical shear excepted. Any rapid change in wind direction or velocity which causes airspeed changes greater than 15 knots or vertical speed changes greater than 500 ft/min. any change of airspeed greater than 20 knots which is sustained for more than 20 seconds or vertical speed changes in excess of 100 ft/min.

when high level moisture is available, cirrus clouds form on the. polar side of the jet stream. equatorial side of the jet stream. acute angle side of the jet stream.

what type turbulence should be reported when it momentarily causes slight, erratic changes in altitude and / or attitude, one third to two thirds of the time?. occasional light chop. moderate chop. intermittent light turbulence.