IRA Oral Exam Prep Questions and
Answers
AWSS - Answer-Automated Weather Sensor System (A)
AWOS - Answer-Automated Weather Observing Station (A)
20min interval
HIWAS - Answer-Hazardous Inflight Weather Advisory Service (H)
TWEB - Answer-Transcribed Weather Broadcast (T)
ATIS - Answer-Automatic Terminal Information Service
hourly, human monitored
ODP - Answer-Obstacle Departure Procedure
SID - Answer-Standard Instrument Departure
, What are instrument departure procedures? - Answer-Preplanned IFR departures providing obstacle
clearance from terminal area to appropriate enroute structure
Terminal area - Answer-A designated area of controlled airspace surrounding a major airport with high
volume of traffic
What are the required inspections for the aircraft for an IFR flight? - Answer-AAVIATE
Annual
Airworthiness Directives
VOR (30 days) (date, signature, location, deviance)
100hr
Altimeter/Pitot/Static (24 cal mo)
Transponder (24 mo)
ELT (12 mo - 1hr use, 50% of life)
What does the pilot in command need to know before conducting an IFR flight? - Answer-NWKRAFT
NOTAMS
Weather reports and forecasts
Known ATC traffic delays
Runway lengths of intended use
Alternatives available
Fuel requirements
Takeoff and landing performance data
When is an alternate airport required? - Answer-1 hour prior or after ETA - less than 2000 ft ceiling / 3
miles visibility
Answers
AWSS - Answer-Automated Weather Sensor System (A)
AWOS - Answer-Automated Weather Observing Station (A)
20min interval
HIWAS - Answer-Hazardous Inflight Weather Advisory Service (H)
TWEB - Answer-Transcribed Weather Broadcast (T)
ATIS - Answer-Automatic Terminal Information Service
hourly, human monitored
ODP - Answer-Obstacle Departure Procedure
SID - Answer-Standard Instrument Departure
, What are instrument departure procedures? - Answer-Preplanned IFR departures providing obstacle
clearance from terminal area to appropriate enroute structure
Terminal area - Answer-A designated area of controlled airspace surrounding a major airport with high
volume of traffic
What are the required inspections for the aircraft for an IFR flight? - Answer-AAVIATE
Annual
Airworthiness Directives
VOR (30 days) (date, signature, location, deviance)
100hr
Altimeter/Pitot/Static (24 cal mo)
Transponder (24 mo)
ELT (12 mo - 1hr use, 50% of life)
What does the pilot in command need to know before conducting an IFR flight? - Answer-NWKRAFT
NOTAMS
Weather reports and forecasts
Known ATC traffic delays
Runway lengths of intended use
Alternatives available
Fuel requirements
Takeoff and landing performance data
When is an alternate airport required? - Answer-1 hour prior or after ETA - less than 2000 ft ceiling / 3
miles visibility