Questions and Answers
What color indicates a Civil Airport with an Instrument Approach Procedure (IAP)?
Which type of airports are indicated by blue or green colors?
What does the 'NO SVFR' label indicate?
Fixed-wing special VFR flight is prohibited.
What does the term 'Pilot Controlled Lighting' refer to?
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What does a solid line box enclosing the airport name signify?
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Define TACAN.
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Which instrument implies compulsory reporting when filled in?
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What does the frequency protection usable range at 18,000' AGL indicate?
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What is the meaning of a thin line NAVAID box without frequency(s)?
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What does 'FREQ, Ident, CH, Morse Code' refer to?
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ASOS stands for ______.
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AWOS stands for ______.
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What does R represent in RCO frequencies?
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What is the function of VOR/DME in aviation?
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Study Notes
Civil and Military Airports
- Civil airports are marked with blue or green if they have Instrument Approach Procedures (IAPs); brown indicates no IAPs.
- Military airports also follow this color code for IAPs—blue or green indicates availability, while brown means no IAPs.
Airport Information
- Airport elevation is expressed in feet above or below mean sea level.
- Private (Pvt) airports are for private use and not open to the general public.
- A solid line box around the airport name indicates special requirements as per FAR 93; consult directory/supplement for details.
- "NO SVFR" signifies prohibition of Special VFR flight for fixed-wing aircraft, as per FAR 91.
Airspace and Lighting
- Airport data block indicates Class C or Class D airspace with a ‘C’ or ‘D’ inside a square box following the airport identifier.
- Pilot-controlled lighting is available at certain airports; lighting capability is indicated by the presence of a star.
- No star means no lighting is available at that airport.
Navigational Aids (NAVAIDs)
- VOR (VHF Omnidirectional Range): Compulsory reporting if filled in.
- VOR/DME (Distance Measuring Equipment): Enhanced location reporting; filled in indicates compulsory reporting.
- TACAN provides military navigation with higher accuracy and is similar to VOR.
- VORTAC combines VOR with TACAN; military users primarily utilize TACAN features.
- DME and NDB (Non-Directional Beacon): Both require compulsory reporting when filled in.
Communication and Coordinates
- Communication boxes contain RCO frequencies, NAVAID names, Morse code, and geographical coordinates.
- Single-frequency RCO denotes direct communication; multiple frequencies available for both transmitting and receiving, with specific designations for receive-only (R) and transmit-only (T) operations.
- Thin line NAVAID boxes indicate unavailability of FSS frequencies; shadowed boxes indicate shared NAVAID and FSS names.
Frequency Protection and Weather Services
- Frequency protection ranges are 40 NM at 18,000' AGL and 25 NM at 12,000' AGL.
- Voice communications via NAVAIDs can transmit voice; underlined indicates no voice transmission.
- Automated Weather Broadcast Services include ASOS/AWOS for current weather data, HIWAS for continuous hazardous weather updates, and TWEB for transcribed weather information.
Geographic Coordinates
- Latitude and longitude coordinates are provided for NAVAIDs critical to routes, airways, or holding patterns.
Example of VOR Usage
- VOR operates on a receive-only frequency (122.1R) while transmitting on a different frequency (122.35T) for service volume, managed under specific FSS names.
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Description
Test your knowledge of IFR enroute chart symbols with these flashcards. Each card contains important definitions and distinctions between civil and military airports. Perfect for aspiring pilots or aviation enthusiasts looking to enhance their understanding of instrument flight rules.
