PT5 CHP15 Airspace Flashcards
Why is it critical to understand airspace?
To prevent airspace incursions and to safely navigate through the national airspace system
Where can Airspace information be found in the FAR/AIM?
14 CFR Part 71 & Part 73
What is the primary purpose of the Air Traffic Control (ATC) system?
To prevent a collision between aircraft operating in the system
What is controlled airspace?
Airspace where ATC provides a service (such as traffic separation and sequencing)
What are the 5 different classifications of controlled airspace?
Class A, Class B, Class C, Class D, Class E
What is required to fly in airspace classes A through D?
clearance or authorization
What is uncontrolled airspace?
No ATC services provided
Does uncontrolled airspace require clearance or authorization?
No
What class airspace is uncontrolled?
Class G
What is special use airspace?
used for government purposes
What are the special use airspace classifications?
- Prohibited
- Restricted
- Warning
- MOA
- Alert
- Controlled Firing
What is “other” airspace?
- Temporary Flight Restrictions (TFR)
- Military Training Routes (MTR)
- Airport Advisories (AA) ,
- Parachute Jump Areas
- Terminal Radar Service Area (TRSA)
- National Security Areas (NSA)
- Wilderness Areas (national parks)
What is VFR?
Visual Flight Rules
- Pilots fly by reference to the ground while staying away from clouds/fog/reduced visibility
What is IFR?
Instrument Flight Rules
- Pilots fly by reference to the instrumentation available in the cockpit.
- This requires special training and instrument rating
What is VMC?
Visual Meteorological Conditions
- Conditions under which VFR or IFR flights are possible
What is IMC?
Instrument Meteorological Conditions
- Only IFR flights are possible
What is the difference between VFR/IFR and VMC/IMC?
VFR/IFR deals with flight flying rules and VMC/IMC deals with conditions
What do weather minimums include?
- Clearance from the clouds
- Visibility
What altitude does Class A start and begin?
Start: 18,000 feet
Ends: FL600 (60,000 feet)
Is class A depicted on charts?
No
Class A:
- Altitude range?
- Required flight plan to fly?
- Required equipment?
- Weather minimums?
-Start: 18,000 feet
- Ends: FL600 (60,000 feet)
- IFR flight plan
- Two-way radio
- Mode C (altitude encoding) transponder
- Distant Measuring Equipment (DME) required about FL240 (24,000 feet)
In order to enter Class A airspace, what type of flight plan is required?
IFR flight plan (no VFR traffic)
What is the required equipment to enter Class A airspace?
- Two-way radio
- Mode C (altitude encoding) transponder
- Distant Measuring Equipment (DME) required about FL240 (24,000 feet)
What information does a Mode C transponder provide?
Provides the radar the altitude of the aircraft
What is Distance Measuring Equipment (DME) and at what altitude is required?
- Measure the distance between the aircraft and something on the ground, VOR station
- Above FL240
Class B:
- Altitude range?
- Required to enter the airspace
- Required equipment?
- Max speed
- Qualifications
- Weather minimums?
- Starts: surface
- Ends:10,000 feet MSL
- ATC clearance is required to enter
- Two-way radio
- Mode C transponder within the Mode C Veil (30NM)
- 200 knots
- Private pilot or student pilot with endorsement from an instructor
- Remain clear of clouds
- 3SM visibility
What altitude does Class B start and end?
Starts: surface
Ends:10,000 feet MSL
What does Class B airspace resemble?
Upside-down wedding cake
What are the lateral dimensions of a Class B airspace?
Varies from airport to airport and area
What is required to enter Class B airspace?
ATC clearance
To be cleared into an airspace, what word must be said and heard?
Cleared
What is the required equipment to enter Class B airspace?
- Two-way radio
- Mode C transponder within the Mode C Veil (within 30NM of the airport)
What is the max speed below Class B airspace?
200 knots
What is the minimum qualification to enter Class B airspace?
Private Pilot
Are student pilots permitted to enter Class B airspace? Why?
Yes, with the proper endorsement from an instructor
What airspace may a student enter with an endorsement from his flight instructor?
Class B
What are the VFR weather minimums for Class B airspace?
Clouds: Remain clear of clouds due to radar capability
Visibility: 3SM
How do you determine what class B is on a sectional chart?
Thick, blue, solid line
What does the “fraction” on a sectional chart for the airspace indicate?
Top number: ceiling for the airspace
Bottom number: floor for the airspace
On a sectional chart, 90/40 is indicated in the class B airspace. What does this indicate?
The ceiling is 9,000 feet MSL and the floor for this section/level is 4,000 feet MSL
Class C:
- Altitude range?
- Required to enter the airspace
- Required equipment?
- Max speed
- Qualifications
- Weather minimums?
- Inner Cylinder: 5NM radius, 4,000 feet AGL
- Outer Cylinder: 10NM radius, 1,200 feet AGL to 4,000 feet AGL
- 200 knots within 4 miles and 2,500 feet AGL of the airport
- Two-way radio
- Mode-C transponder
- Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 3SM
Where is Class C airspace set up?
Around towered airports that have substantial IFR operational per year (too big to be Class D, too small to be Class B)
What altitude does Class C start and end?
Inner Cylinder: 5NM radius, 4,000 feet AGL
Outer Cylinder: 10NM radius, 1,200 feet AGL to 4,000 feet AGL
What type of communication is required to enter Class C airspace?
- Two-way radio communications
What is two-way radio communications?
Acknowledgement of tail number
What equipment is required to enter Class C airspace?
- Two-way radio
- Mode-C transponder
What is the speed limit in Class C airspace?
200 knots when within 4NM and 2,500 feet AGL of the airport
What are the VFR weather minimums for Class C airspace?
Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 3SM
How is Class C airspace indicated on a sectional chart?
Thick magenta solid line
In Class C airport on a chart sectional, what does T/13 signify?
Top: touches Class B airspace and has an altitude height of the base of the airspace not include the number for these base (100/30) which is 2,999
Bottom: 1,300 feet
Where is Class D airspace set up?
Towered airports that are busy enough to warrant a control tower
What altitude does Class D start and end?
- Singe cylinder usually: SFC (surface) to 2,500 feet AGL
- Radius varies depending on airport
- Based on instruments available at the airport
- Most have controlled towers during the day (once the tower operation ceases, reverts to Class E)
What communication is required to enter Class D airspace?
Two-way communication (similar to Class C)
Does “Aircraft calling, standby” count as two-way communication? Why?
No, because your tail number was not identified
What is the required equipment to enter Class D airspace?
- Two-way radio
What is the speed limit to enter Class D airspace?
200 knots when within 4 miles and below 2,500 feet AGL of the airport
What are the VFR weather minimums for Class D airspace?
Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally (same as Class C)
Visibility: 3SM
How is Class D airspace indicated on a sectional chart?
Blue dotted line in a square/rectangle shape
What does a dashed square with a number inside indicate on sectional chart?
Number: airspace altitude top MSL
- subtract airport elevation MSL to determine airspace altitude AGL
What is Class E airspace defined as?
Everything that is controlled and not A, B, C, or D
- represents most of the airspace in the National Airspace System
If not depicted on a sectional chart, what altitude does Class E start?
14,500 feet MSL (general definition)
In reality, in most areas, what altitude does Class E start?
1,200 feet AGL
Around certain certain airports, what altitudes does Class E start?
700 feet AGL or Surface
Why does Class E airspace start at different altitudes?
Class E covers all controlled areas that do not include Class A-D. If there was no class E, then the airspace outside of Class A-D would not be controlled, which would pose a safety hazard.
Define Class E Airspace
- If not depicted on the chart, 14,500 MSL
- In most areas, starts at 1,200 feet AGL
- Around certain areas, starts at 700 feet AGL or Surface
How is Class E airspace indicated on a sectional chart?
“Zipper” lines (two blue lines stacked) which indicates there is reduced services due to terrain like mountains
Does Class E require clearance?
No
Does Class E airspace require two-way radio?
No
What equipment is required to enter Class E airspace?
None
What is the max speed below 10,000 feet MSL in Class E airspace?
250 knots
What are the VFR weather minimums for Class E airspace under 10,000 feet?
Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 3SM
What are the VFR weather minimums for Class E airspace at or above 10,000 feet?
Clouds: 1,000 feet above, 1,000 feet below and 1SM horizontally and Visibility: 5SM
How is Class E airspace indicated on a sectional chart?
14,500 ft MSL, nothing
1,200 ft AGL, blue opaque shape
700 ft AGL, magenta opaque shape
Surface, magenta dashed
Define Class G
Uncontrolled airspace, no services are provided to manned aircraft
- Everything that is not Class A, B, C, D, E
- Not represented on charts
During the day what are Class G weather requirements 1,200 ft AGL or less?
- Clouds: clear of clouds
Visibility: 1SM
During the day and at night, what are Class G weather requirements 1,200 ft AGL or less?
During the day: Clouds: clear of clouds; Visibility: 1SM
At night: Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally; Visibility: 3SM
At night what are Class G weather requirements 1,200 ft AGL or less?
- Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 3SM
During the day, what are Class G weather requirements above 1,200 ft AGL or less than 10,000 ft AGL?
- Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 1SM
At night, what are Class G weather requirements above 1,200 ft AGL or less than 10,000 ft AGL?
- Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 3SM
During the day and at night, what are Class G weather requirements above 1,200 ft AGL or less than 10,000 ft AGL?
During the day: Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 1SM
At night: Clouds: 1,000 feet above, 500 feet below and 2,000 feet horizontally
Visibility: 3SM
What are Class G weather requirements above 1,200 ft AGL and at or above 10,000 ft AGL?
- Clouds: 1,000 feet above, 1,000 feet below and 1SM horizontally
Visibility: 3SM
The pneumonic F-111 for Class E & G above 10,000’ MSL signifies what?
F (visibility) -5SM visibility
1 (cloud coverage) - 1,000’ above
1 (cloud coverage) - 1,000’ below
1 (cloud coverage) - 1SM horizontally
5SM visibility, 1,000’ above, 1,000’ below, 1SM cloud coverage above 10,000’ MSL are the VFR requirements for what airspace(s)?
Class E & G (Remember F-111)
The pneumonic C-152 for Class C, D & E below 10,000’ MSL and above 1,200’ AGL signifies what?
C (3rd letter of alphabet) - 3SM visibility
1 - 1,000’ above
5 - 500’ below
2 - 2,000’ horizontally
3SM visibility, 1,000’ above, 500’ below, 2,000’ horizontally cloud coverage above 10,000’ MSL are the VFR requirements for what airspace(s)?
Class C, D & E (Remember C-152)
The pneumonic DA-152 for Class G during the day below 10,000’ MSL and above 1,200’ AGL signifies what?
D - day
A (1st letter of alphabet) - 1SM visibility
1 - 1,000’ above
5 - 500’ below
2 - 2,000’ horizontally
During the day, 1SM visibility, 1,000’ above, 500’ below, 2,000’ horizontally cloud coverage below 10,000’ MSL and above 1,200’ AGL are the VFR requirements for what airspace(s)?
Class G during the day (Remember DA-152)
The pneumonic NC-152 for Class G at night below 10,000’ MSL and above 1,200’ AGL signifies what?
N - night
C (3rd letter of alphabet) - 3SM visibility
1 - 1,000’ above
5 - 500’ below
2 - 2,000’ horizontally
At night, 1SM visibility, 1,000’ above, 500’ below, 2’000’ horizontally cloud coverage below 10,000’ MSL and above 1,200’ AGL are the VFR requirements for what airspace(s)?
Class G during at night (Remember 10NC-152)
The pneumonic 1CoC for Class G during the day below below 1,200’ AGL and above SFC signifies what?
1 - 1SM visibility
CoC - clear of clouds
During the day, 1SM visibility and CoC - clear of clouds are the VFR requirements for what airspace(s)?
Class G (remember 1CoC)
The pneumonic NC-152 for Class G at night below below 1,200’ AGL and above SFC signifies what?
C (3rd letter of alphabet) - 3SM visibility
1 - 1,000’ above
5 - 500’ below
2 - 2,000’ horizontally
At night, 3SM visibility, 1,000’ above, 500’ below, 2’000’ horizontally cloud coverage below 1,200’ AGLL and above SFC are the VFR requirements for what airspace(s)?
Class G (Remember C-152)
The pneumonic 3CoC for Class B signifies what?
3SM visibility
CoC- clear of clouds
3SM visibility and CoC are the VFR requirements for what airspace(s)?
Class B