When is an instrument rating required? - -
1. On an IFR flight plan
2. In weather conditions less then VFR What are terminal aerodrome forecasts (TAFs) -
3. In class A -Report of meteorological conditions within
4. Unders special VFR at night a 5 SM radius from the center of the airports
runway complex during a 24-hr period.
Recency of Experience Requirements - -
66HIT What is an Aviation Area Forecast? - -
1. Within the preceding 6 CAL MONTHS, logged forecast of VMC, clouds, and general weather
at least 6 INSTRUMENT PROCEDURES, conditions over an area the size of several states.
HOLDING Procedures, INTERCEPTING AND FAs are issued 3 times a day for each of the 6
TRACKING. areas within the US. Valid for 18 hours.
-Biannual Flight Review
- Preceding 90 days completed 3 landings & T/O What is included in an Area Forecast? - -1.
- Preceding 90 days completed 3 Full stop Synopsis- brief discussion of the weather
landing & T/O affecting the FA during the 18 hr valid period.
2. Clouds and weather- description of the clouds
- 6 month grace period with safety pilot and weather for the first 12 hr period
- After grace period, must complete Proficiency 3.12-18 hour categorial outlook
check
What is a SIGMET? - -Advises of non-
Required Qualifications for to be a Safety Pilot - convective weather that is potentially hazardous
-1. Possess a curent médical to all aircraft. The max forecast is for 4 hours.
2. Posses a PPL in the same Category and
Class
3. If under IFR, must also be IFR rated What would cause a SIGMET to be issued? -
-SIEV (Sand, Icing, Extreme turb, volcanic
Ash)
Logbook Reqs for Recency of Experience - 1. Severe icing not associated with a t-storm
-1. Location and type of each IAP 2. Severe/extreme turbulence or CAT, not
2. Name of the safety pilot, if required. associated with a t-storm
3. Dust or sandstorms lowering inflight vis to less
then 3 miles
What is a METAR? - -Aviation Routine 4. Volcanic Ash
Weather Report. Reported hourly and valid for
the time of observation.
What is a convective SIGMET? - -implies
sever or greater turbulence, severe icing and low-
What are PIREPS? - -A PIREP is a Pilot level wind shear. A convective SIGMET applies
weather report, and reports meteorological to all categories of aircraft. The forecast is valid
phenomena encountered by aircraft in flight. for up to 2 hours
There are two types of PIREPS routine (UA) and
urgent (UUA)
, IFR Oral Exam Test Questions and Answers Graded A+
What would cause a convective SIGMET to be What is a weather depiction chart? - -A
issued? - -SEAL (Severe, Embedded, computer generated chart made from METAR
Area, Line) reports. It is created every 4 hours and is only
1.Severe Thunderstorm- valid for the time produced.
- Surface winds greater than or equal to 50 knots
-Hail greater then 3/4 in diameter
- Tornadoes What is LIFR? - -Low IFR- cielings less
2. Embedded thunderstorms than 500 feet and/or vis less than 1 mi
3. Line of thunderstorms
4. Thunderstorms producing heavy Precip that
affects 40% of an area of atleast 3,000 miles What is IFR? - -Ceiling 500-1000 ft. and/or
vis 1-3 mi
What is an AIRMET? - -Weather advisory
issued for less severe conditions then a What is MVFR? - -Marginal VFR- clg
SIGMET. They are issued ever 6 hours. 1,000-3,000 ft and/or vis 3-5 mi
What are the types of AIRMETs? - -Sierra- What is VFR? - -Clg > 3,000 ft and vis
IFR conditions and/or mountain obscuration >5mi
Tango- Moderator turbulence, and/or sustained
winds of 30 kts or >
Zulu- Moderate icing
What are radar summary charts? - -
Computer generated chart that displays
information about type, intensity, configuration,
What is a winds and temps aloft forecast? -
coverage, echo top, and cell movement of precip.
-computer prepared forecasts of wind Severe wealth is plotted if necessary. They are
direction, speed, and air temperature at specified available HOURLY with a valid time 35 min past
altitudes for specified locations and times. They the hour.
are produced 4 times daily. They are not issued
within 1,500 ft of the locations elevation.
What is a Prognostic chart? - -the chart has
2 forecast periods:12 and 24 hours, which are
Are the winds of a "FB" true or magnetic? -
issued 4 times daily. The prog charts forecast
-True north weather positions and characteristics of pressure
systems,fronts, and precipitation.
What is a surface analysis chart? - -A
surface analysis chart is published every 3 hours. What information must a PIC be familiar with
It provides the location of pressure systems and prior to a flight? - -NWKRAFT (NOTAMS,
fronts. It also provides with winds, temperatures Weather, Known delays, Runway lengths,
and dew point temperatures at the time of being Alternates, fuel, Takeoff dist.
produced. 1. Weather reports and Forecast
2. Fuel Requirements
3. Alternates