CODE_ACFT_ENGINE_NO Format: ALPHANUMERIC(1,5)
A coded indication for the number of engines of an aircraft.
Allowable values:
1 [one engine.]
2 [two engines.]
3 [three engines.]
4 [four engines.]
6 [six engines.]
8 [eight engines.]
C [two coupled engines driving one propeller.]
OTHER
CODE_ACTIVITY Format: CHARACTER1(1,15)
A code indicating a type of activity, a situation or a reason, on the ground or in the air, which may have an impact on one or more categories of air traffic.
Allowable values:
TFC-AD [Aerodrome traffic.]
TFC-HELI [Helicopter/Gyrocopter traffic.]
TRG [Training.]
ACROBAT [Acrobatic flights, aerobatics.]
AIRSHOW [Air show.]
SPORT [Aerial sporting.]
ULM [Ultra light flights.]
GLIDER [Gliding.]
PARAGLIDER [Paragliding.]
HANGGLIDER [Hanggliding.]
PARACHUTE [Parachute jumping.]
DROP [Droppings.]
BALLOON [Hot air balloons.]
ASCENT [Ascent of radio probe, radiosonde, meteorological balloons.]
SPACEFLT [Space flight operations.]
UAV [Unmanned aerial vehicle.]
WORK [Aerial work.]
DUSTING [Seasonal crop dusting.]
FIRE [Heavy fire suppression work.]
MILOPS [Military operations.]
REFUEL [Refuelling.]
JETCLIMB [Climb-out sector for jet aircraft.]
EXERCISE [Air combat and exercises.]
TOWING [Target towing.]
NAVAL [Ship exercises.]
MISSILES [Flight of guided missiles.]
AIRGUN [Aerial gunnery.]
ARTILERY [Artillery firing.]
SHOOT [Shooting from ground.]
BLAST [Blasting operations.]
WATERBLAST [Underwater explosions.]
ANTIHAIL [Anti-hail rocket firing.]
BIRD [Bird hazard.]
BIRD-MGR [Bird migration.]
FIREWORK [Fireworks.]
HI-RADIO [High intensity radio transmission (HIRTA).]
HI-LIGHT [High intensity lights.]
LASER [Laser light activity.]
NATURE [Natural reserve.]
FAUNA [Sensitive fauna.]
NO-NOISE [Noise abatement.]
ACCIDENT [Accident investigation area.]
POPULATION [Highly populated area.]
VIP [VIP, public figures.]
VIP-PRES [President.]
VIP-VICE [Vice-President.]
OIL [Oil field.]
GAZ [Gas field or gasoline vaporization.]
IND-OIL [Oil refinery.]
IND-CHEM [Chemical plant.]
IND-NUCLEAR [Nuclear energy plant/activity.]
TECHNICAL [Technical activity.]
ATS [Air traffic services.]
EQUIPMENT [Special equipment.]
PROCEDURE [Special procedure.]
EQUIPMENT-RSVM [RSVM equipment required.]
EQUIPMENT-RNAV [RNAV equipment required.]
EQUIPMENT-833 [8.33 channel equipment required.]
OTHER [Other activities/reasons.]
CODE_CAT_ACFT Format: ALPHANUMERIC(1,6)
Classification of aircraft based on 1.3 times stall speed in landing configuration at maximum certified landing mass.

Category A: - less than 169 km/h (91 kt) IAS
Category B: - 169 km/h (91 kt) or more but less than 224 km/h (121 kt) IAS
Category C: - 224 km/h (121 kt) or more but less than 261 km/h (141 kt) IAS
Category D: - 261 km/h (141 kt) or more but less than 307 km/h (166 kt) IAS
Category E: - 307 km/h (166 kt) or more but less than 391 km/h (211 kt) IAS
Category H: - helicopter (the stall speed method of calculating aircraft category does not apply)

(IAS = indicated air speed)
Allowable values:
A [Category A.]
A20 [Category A with 2% climb gradient ability.]
A30 [Category A with 3% climb gradient ability.]
B [Category B.]
A35 [Category A with 3.5% climb gradient ability.]
C [Category C.]
D [Category D.]
E [Category E.]
AB [Categories A and B.]
CD [Categories C and D.]
CDE [Categories C, D and E.]
BCD [Categories B, C and D.]
ABCD [Categories A, B, C and D.]
DE [Categories D and E.]
ABC [Categories A, B and C.]
H [Category H - helicopter.]
OTHER
CODE_CAT_FIRE_AD Format: ALPHA(1,5)
A code indicating the category of the fire fighting service provided at the aerodrome/heliport.
Allowable values:
H1 [(Helicopter) rescue and fire category 1..]
[note: (ICAO) Up to but not including 15m in length. .]
H2 [(Helicopter) rescue and fire category 2..]
[note: (ICAO) From 15m up to but not including 24m in length. .]
H3 [(Helicopter) rescue and fire category 3..]
[note: (ICAO) From 24m up to but not including 35m in length. .]
A1 [(Aircraft) rescue and fire category 1..]
[note: (ICAO, NATO) 0 up to but not including 9m over-all length and 2m maximum fuselage width. .]
A2 [(Aircraft) rescue and fire category 2..]
[note: (ICAO, NATO) 9m up to but not including 12m over-all length and 2m maximum fuselage width. .]
A3 [(Aircraft) rescue and fire category 3..]
[note: (ICAO, NATO) 12m up to but not including 18m over-all length and 3m maximum fuselage width. .]
A4 [(Aircraft) rescue and fire category 4..]
[note: (ICAO, NATO) 18m up to but not including 24m over-all length and 4m maximum fuselage width. .]
A5 [(Aircraft) rescue and fire category 5..]
[note: (ICAO, NATO) 24m up to but not including 28m over-all length and 4m maximum fuselage width. .]
A6 [(Aircraft) rescue and fire category 6..]
[note: (ICAO, NATO) 28m up to but not including 39m over-all length and 5m maximum fuselage width. .]
A7 [(Aircraft) rescue and fire category 7..]
[note: (ICAO, NATO) 39m up to but not including 49m over-all length and 5m maximum fuselage width. .]
A8 [(Aircraft) rescue and fire category 8..]
[note: (ICAO, NATO) 49m up to but not including 61m over-all length and 7m maximum fuselage width. .]
A9 [(Aircraft) rescue and fire category 9..]
[note: (ICAO, NATO) 61m up to but not including 76m over-all length and 7m maximum fuselage width. .]
A10 [(Aircraft) rescue and fire category 10.]
[note: 76m up to but not including 91m over-all length and 8m maximum fuselage width. .]
OTHER [Other rescue and fire fighting category.]
CODE_CAT_FUEL Format: CHARACTER1(1,15)
A code indicating the category of fuel available at an aerodrome/heliport.
Allowable values:
OCT73 [Octane 73 aviation gasoline.]
OCT80 [Octane 80 aviation gasoline.]
OCT80-87 [Octane 80-87 aviation gasoline.]
OCT82UL [Octane 82 low-octane unleaded aviation gasoline.]
OCT91-98 [Octane 91-98 aviation gasoline.]
AVGAS [Octane 100 aviation gasoline.]
AVGAS-LL [Octane 100 Low Lead aviation gasoline.]
OCT100-130 [Octane 100-130 aviation gasoline.]
OCT108-135 [Octane 108-135 aviation gasoline.]
OCT115-145 [Octane 115-145 aviation gasoline.]
MOGAS [MOGAS aviation gasoline.]
JET [Jet aviation fuel.]
A [Jet A aviation fuel.]
A1 [Jet A1 aviation fuel.]
A1+ [Jet A1-plus FSII aviation fuel.]
B [Jet B aviation fuel.]
JP1 [Jet JP-1 aviation fuel.]
JP2 [Jet JP-2 aviation fuel.]
JP3 [Jet JP-3 aviation fuel.]
JP4 [JP4 aviation fuel.]
JP5 [JP5 aviation fuel.]
JP6 [Jet JP-6 aviation fuel.]
JPTS [Jet JP fuel with higher thermal stability.]
JP7 [Jet JP-7 aviation fuel.]
JP8 [Jet JP-8 aviation fuel.]
JP8+100 [Jet JP-8 with higher thermal stability.]
JP9 [Jet JP-9 aviation fuel - missiles.]
JP10 [Jet JP-10 aviation fuel - missiles.]
F-18 [(NATO) aviation gasoline (low lead) - equivalent AVGAS 100LL.]
F-34 [(NATO) jet aviation fuel with FSII - equivalent JP-8.]
F-35 [(NATO) jet aviation fuel - equivalent JET A-1.]
F-40 [(NATO) jet aviation fuel with FSII - equivalent JP-4.]
F-44 [(NATO) jet aviation fuel with FSII - equivalent JP-5.]
TR0 [(France) jet TR0 aviation fuel.]
TR4 [(France) jet TR4 aviation fuel.]
TS-1 [(Russia) jet TS-1 aviation fuel.]
RT [(Russia) jet RT aviation fuel.]
ALL [All regular fuel types.]
OTHER [Other type of aviation fuel.]