Aircraft radii: Difference between revisions

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The "radius" parameter is used internally by [[FlightGear]]'s [[AI Traffic]] system to determine whether an AI [[aircraft]] will fit at a parking location. The rule is that aircraft will prefer to park at the smallest possible parkings, but only at those that have a radius value (in metres) that is slightly larger than the radius value of the aircraft itself. Below is the official list of aircraft radii used by FlightGear's AI system:
The "radius" parameter is used internally by [[FlightGear]]'s [[AI Traffic]] system to determine whether an AI [[aircraft]] will fit at a parking location. The rule is that aircraft will prefer to park at the smallest possible parkings, but only at those that have a radius value (in metres) that is slightly larger than the radius value of the aircraft itself.  


== Currently in use ==
When designing Groudnets, data developers should assign ICAO Standardized values to their Parking Positions radii to ensure AI aircraft can coexist peacefully and not park over each other :
{| class="vatop"
|width="500" |


'''Airbus'''
{| class="wikitable"
* [[Airbus A320]]: 19
|-
* [[Airbus A330|Airbus A330-200]]: 30
! Category !! Wingspan !! Groundnet ParkPos Radii !! Example Aircraft
* [[Airbus A330|Airbus A330-300]]: 32
|-
* [[Airbus A340|Airbus A340-300]]: 32
| A|| < 15 meters|| NA || '''General Aviation''' Piper PA31, Cessna 404
* [[Airbus A340|Airbus A340-500]]: 34
|-
* [[Airbus A340-600]]: 38
| B||  15m but < 24m|| 14 || '''Regional Jets''' CRJ, ERJ, Dash
* [[Airbus A380]]: 40
|-
 
| C||  24m but < 36m ||18 || '''Narrow Body''' Boeing 737, Airbus A318/319/320
'''ATR'''
|-
* ATR 42: 12
| D||  36m but < 52m || 26 || Boeing 767, Airbus A310
* ATR 72: 14
|-
 
| E||  52m but < 65m|| 33 || '''Wide Body''' Boeing 777/787, Airbus 330/350
'''Beechcraft'''
|-
* [[Beechcraft B1900D|B1900D]]: 9
| F||  65m but < 80m || 40 || Boeing 747-8, Airbus A380
 
'''Boeing'''
* [[Boeing 737-300]]: 19
* [[Boeing 747-400]]: 36
* [[Boeing 757-200]]: 24
* [[Boeing 767]]: 27
* [[Boeing 777]]: 32
* [[Boeing 787]]: 30
 
'''British Aerospace'''
* BAe 146-200: 25
 
'''Bombardier'''
* Bombardier Challenger CL-604: 11
* [[Bombardier Dash 8|Bombardier Dash 8-400]]: 16
 
'''Cessna'''
* [[Cessna 172]]: 6
* [[Cessna 182S]]: 6
* [[Cessna 310]]: 5
* [[Cessna Citation II]]/Bravo: 8
 
|width="500" valign="top" |
 
'''Dornier'''
* Dornier 328: 11
 
'''de Havilland'''
* [[de Havilland Canada Dash 7]]: 14
 
'''Embraer'''
* Embraer Legacy 600: 13
* ERJ 145: 14
* ERJ 190: 15
* ERJ 195: 15
 
'''Fokker'''
* [[Fokker 50]]: 15
* [[Fokker 70]]: 16
* [[Fokker 100]]: 18
 
'''General Dynamics'''
* [[General Dynamics F-16]]: 8
 
'''Lockheed'''
* [[Lockheed L-1011-500|L-1011 TriStar]]: 25
 
'''McDonnel Douglas'''
* MD-80: 23
* MD-90: 24
 
'''Saab'''
* Saab 2000: 14
|}
 
== Correct radii for future use ==
Please do not use these as of yet, we will likely convert all of the radii at once.
 
* Aircraft have often different wingspan than length. Both are important measurements to take into consideration when assigning parking spots. Most important seems to be wingspan, as that's where "hits" are most noticeable.
 
{| class="vatop"
|width="500" |
 
'''Airbus'''
* [[Airbus A320]]: 17
* [[Airbus A330|Airbus A330-200]]: 30
* [[Airbus A330|Airbus A330-300]]: 30
* [[Airbus A340|Airbus A340-300]]: 30
* [[Airbus A340|Airbus A340-500]]: 32
* [[Airbus A340-600]]: 32
* [[Airbus A380]]: 40
 
'''ATR'''
* ATR 42: 12
 
'''Beechcraft'''
* [[Beechcraft B1900D|B1900D]]: 9
 
'''Boeing'''
* [[Boeing 737-300]]: 14
* [[Boeing 747-400]]: 32
* [[Boeing 757-200]]: 19
* [[Boeing 767]]: 24
* [[Boeing 777]]: 30
* [[Boeing 787]]: 30
 
'''British Aerospace'''
* BAe 146-200: 13
 
'''Bombardier'''
* Bombardier Challenger CL-604: 10
* [[Bombardier Dash 8|Bombardier Dash 8-400]]: 14
 
'''Cessna'''
* [[Cessna 172]]: 5.5
* [[Cessna 182S]]: 5.5
* [[Cessna 310]]: 5
* [[Cessna Citation II]]/Bravo: 8
 
|width="500" valign="top" |
 
'''Dornier'''
* Dornier 328: 10
 
'''de Havilland'''
* [[de Havilland Canada Dash 7]]: 14
 
'''Embraer'''
* Embraer Legacy 600: 11
* ERJ 145: 10
* ERJ 190: 15
* ERJ 195: 15
 
'''Fokker'''
* [[Fokker 50]]: 14.5
* [[Fokker 70]]: 14
* [[Fokker 100]]: 14
 
'''General Dynamics'''
* [[General Dynamics F-16]]: 5
 
'''Lockheed'''
* [[Lockheed L-1011-500|L-1011 TriStar]]: 25
 
'''McDonnel Douglas'''
* MD-80: 16
* MD-90: 16
 
'''Saab'''
* Saab 2000: 12
|}
|}
Source : [https://www.easa.europa.eu/sites/default/files/dfu/Annex%20to%20EDD%202017-021-R%20-%20CS-ADR-DSN%20Issue%204_0.pdf CS ADR-DSN.A.005 Aerodrome reference code (ARC)]


[[Category:AI Traffic]]
[[Category:AI Traffic]]

Revision as of 11:51, 6 May 2020

The "radius" parameter is used internally by FlightGear's AI Traffic system to determine whether an AI aircraft will fit at a parking location. The rule is that aircraft will prefer to park at the smallest possible parkings, but only at those that have a radius value (in metres) that is slightly larger than the radius value of the aircraft itself.

When designing Groudnets, data developers should assign ICAO Standardized values to their Parking Positions radii to ensure AI aircraft can coexist peacefully and not park over each other :

Category Wingspan Groundnet ParkPos Radii Example Aircraft
A < 15 meters NA General Aviation Piper PA31, Cessna 404
B 15m but < 24m 14 Regional Jets CRJ, ERJ, Dash
C 24m but < 36m 18 Narrow Body Boeing 737, Airbus A318/319/320
D 36m but < 52m 26 Boeing 767, Airbus A310
E 52m but < 65m 33 Wide Body Boeing 777/787, Airbus 330/350
F 65m but < 80m 40 Boeing 747-8, Airbus A380

Source : CS ADR-DSN.A.005 Aerodrome reference code (ARC)

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