Delay Codes
Delay Codes
The Delay Codes should be used to express the reason for delay, diversion or other irregularities. The standardization of codes is essential for commonality in handling, exchange of information, statistical comparison and management analysis.
The flight crew should use the code that, in their opinion, expresses the reason for the delay. It is essential that these codes be applied impartially and not be considered as reasons for blame but rather to identify corrective action.
Internal Airline Purpose (codes starting with 0)
Delay Codes starting with 0 are used for internal airline purposes. Every airline is free to use these codes and to determine particular application fields.
However the following codes are standard, even if some airlines do not use them:
01 - 05 Airline internal codes
06 No gate/stand availability due to own airline activity
09 Scheduled ground time less than declared minimum ground time
Passenger and Baggage Handling (codes starting with 1)
These Codes are used to describe delays caused by Passenger and Baggage handling.
11 Late check-in, acceptance of passengers after deadline
12 Late check-in, congestion in check-in area
13 Check-in error
14 Oversales, booking errors
15 Boarding, discrepancies and paging, missing checked-in passenger at gate
16 Commercial publicity, passenger convenience, VIP, press, ground meals and missing personal items
17 Catering order, late or incorrect order given to supplier
18 Baggage processing, sorting, etc.
Cargo and Mail Handling (codes starting with 2)
These Codes are used to describe delays caused by Cargo (21-26) and Mail Handling (27- 29).
21 Documentation, errors, etc.
22 Late positioning
23 Late acceptance
24 Inadequate packing
25 Oversales, booking errors
26 Late preparation in warehouse
27 Mail oversales, packing, etc.
28 Mail late positioning
29 Mail late acceptance
Aircraft and Ramp Handling (codes starting with 3)
These Codes are used to describe delays caused by aircraft and ramp handling.
31 Aircraft documentation late or inaccurate, weight and balance (Loadsheet), general declaration, passenger manifest, etc.
32 Loading, unloading, bulky/special load, cabin load, lack of loading staff
33 Loading equipment, lack of or breakdown, e.g. container pallet loader, lack of staff
34 Servicing equipment, lack of or breakdown, lack of staff, e.g. steps
35 Aircraft cleaning
36 Fuelling, defuelling, fuel supplier
37 Catering, late delivery or loading
38 ULD, containers, pallets, lack of or breakdown
39 Technical equipment, lack of or breakdown, lack of staff, e.g. pushback
Technical Reasons (codes starting with 4)
These Codes are used to describe technical delay reasons.
41 Aircraft defects
42 Scheduled maintenance, late release
43 Non-scheduled maintenance, special checks and / or additional works beyond normal maintenance
44 Spares and maintenance equipment, lack of or breakdown
45 AOG (aircraft on ground for technical reasons) spares, to be carried to another station
46 Aircraft change for technical reasons
47 Standby aircraft, lack of planned standby aircraft for technical reasons
48 Scheduled cabin configuration and version adjustment
Aircraft Damage and Automated Equipment Failure (codes starting with 5)
These Codes are used to describe damage to aircraft and automated equipment failure.
51 Damage during flight operations, bird or lightning strike, turbulence, heavy or overweight landing
52 Damage during ground operations, collisions (other than during taxiing), loading/offloading damage, contamination, towing, extreme weather conditions
55 Departure control system, check-in, weight and balance (loadcontrol), computer system error, baggage sorting, gate-reader error or problems 56 Cargo preparation/documentation system
57 Flight plans
58 Other computer systems
Operational and Crew Delay (codes starting with 6)
These Codes are assigned to Operations and Crew caused delays.
61 Flight plan, late completion or change of flight documentation
62 Operational requirements, fuel, load alteration
63 Late crew boarding or departure procedures
64 Flight deck crew shortage, crew rest
65 Flight deck crew special request or error
66 Late cabin crew boarding or departure procedures
67 Cabin crew shortage
68 Cabin crew error or special request
69 Captain request for security check, extraordinary
Weather (codes starting with 7)
These Codes explain weather caused delays.
71 Departure station
72 Destination station
73 En route or alternate
75 De-icing of aircraft, removal of ice / snow, frost prevention
76 Removal of snow / ice / water / sand from airport/runway
77 Aircraft ground handling impaired by adverse weather conditions
ATC and Airport (codes starting with 8)
These Codes are used for Air Traffic Control (ATC) Restrictions (81-84) and Airport or Governmental Authorities caused delays.
81 ATC restriction en-route or capacity
82 ATC restriction due to staff shortage or equipment failure en-route
83 ATC restriction at destination
84 ATC restriction due to weather at destination
85 Mandatory security
86 Immigration, customs, health
87 Airport facilities, parking stands, ramp congestion, buildings, gate limitations
88 Restrictions at airport of destination, airport/runway closed due obstruction, industrial action, staff shortage, political unrest, noise abatement, night curfew, special flights
89 Restrictions at airport of departure, airport/runway closed due obstruction, industrial action, staff shortage, political unrest, noise abatement, night curfew, special flights, start-up and pushback
Miscellaneous (codes starting with 9)
Codes uses for reactionary reasons or Miscellaneous.
91 Passenger or load connection, awaiting load or passengers from another flight, protection of stranded passengers onto a new flight
92 Through check-in error
93 Aircraft rotation
94 Cabin crew rotation
95 Crew rotation (entire or flight crew)
96 Operations control, rerouting, diversion, consolidation, aircraft change for reasons other than technical
97 Industrial action within own airline
98 Industrial action outside own airline
99 Miscellaneous, not elsewhere specified
The Delay Codes should be used to express the reason for delay, diversion or other irregularities. The standardization of codes is essential for commonality in handling, exchange of information, statistical comparison and management analysis.
The flight crew should use the code that, in their opinion, expresses the reason for the delay. It is essential that these codes be applied impartially and not be considered as reasons for blame but rather to identify corrective action.
Internal Airline Purpose (codes starting with 0)
Delay Codes starting with 0 are used for internal airline purposes. Every airline is free to use these codes and to determine particular application fields.
However the following codes are standard, even if some airlines do not use them:
01 - 05 Airline internal codes
06 No gate/stand availability due to own airline activity
09 Scheduled ground time less than declared minimum ground time
Passenger and Baggage Handling (codes starting with 1)
These Codes are used to describe delays caused by Passenger and Baggage handling.
11 Late check-in, acceptance of passengers after deadline
12 Late check-in, congestion in check-in area
13 Check-in error
14 Oversales, booking errors
15 Boarding, discrepancies and paging, missing checked-in passenger at gate
16 Commercial publicity, passenger convenience, VIP, press, ground meals and missing personal items
17 Catering order, late or incorrect order given to supplier
18 Baggage processing, sorting, etc.
Cargo and Mail Handling (codes starting with 2)
These Codes are used to describe delays caused by Cargo (21-26) and Mail Handling (27- 29).
21 Documentation, errors, etc.
22 Late positioning
23 Late acceptance
24 Inadequate packing
25 Oversales, booking errors
26 Late preparation in warehouse
27 Mail oversales, packing, etc.
28 Mail late positioning
29 Mail late acceptance
Aircraft and Ramp Handling (codes starting with 3)
These Codes are used to describe delays caused by aircraft and ramp handling.
31 Aircraft documentation late or inaccurate, weight and balance (Loadsheet), general declaration, passenger manifest, etc.
32 Loading, unloading, bulky/special load, cabin load, lack of loading staff
33 Loading equipment, lack of or breakdown, e.g. container pallet loader, lack of staff
34 Servicing equipment, lack of or breakdown, lack of staff, e.g. steps
35 Aircraft cleaning
36 Fuelling, defuelling, fuel supplier
37 Catering, late delivery or loading
38 ULD, containers, pallets, lack of or breakdown
39 Technical equipment, lack of or breakdown, lack of staff, e.g. pushback
Technical Reasons (codes starting with 4)
These Codes are used to describe technical delay reasons.
41 Aircraft defects
42 Scheduled maintenance, late release
43 Non-scheduled maintenance, special checks and / or additional works beyond normal maintenance
44 Spares and maintenance equipment, lack of or breakdown
45 AOG (aircraft on ground for technical reasons) spares, to be carried to another station
46 Aircraft change for technical reasons
47 Standby aircraft, lack of planned standby aircraft for technical reasons
48 Scheduled cabin configuration and version adjustment
Aircraft Damage and Automated Equipment Failure (codes starting with 5)
These Codes are used to describe damage to aircraft and automated equipment failure.
51 Damage during flight operations, bird or lightning strike, turbulence, heavy or overweight landing
52 Damage during ground operations, collisions (other than during taxiing), loading/offloading damage, contamination, towing, extreme weather conditions
55 Departure control system, check-in, weight and balance (loadcontrol), computer system error, baggage sorting, gate-reader error or problems 56 Cargo preparation/documentation system
57 Flight plans
58 Other computer systems
Operational and Crew Delay (codes starting with 6)
These Codes are assigned to Operations and Crew caused delays.
61 Flight plan, late completion or change of flight documentation
62 Operational requirements, fuel, load alteration
63 Late crew boarding or departure procedures
64 Flight deck crew shortage, crew rest
65 Flight deck crew special request or error
66 Late cabin crew boarding or departure procedures
67 Cabin crew shortage
68 Cabin crew error or special request
69 Captain request for security check, extraordinary
Weather (codes starting with 7)
These Codes explain weather caused delays.
71 Departure station
72 Destination station
73 En route or alternate
75 De-icing of aircraft, removal of ice / snow, frost prevention
76 Removal of snow / ice / water / sand from airport/runway
77 Aircraft ground handling impaired by adverse weather conditions
ATC and Airport (codes starting with 8)
These Codes are used for Air Traffic Control (ATC) Restrictions (81-84) and Airport or Governmental Authorities caused delays.
81 ATC restriction en-route or capacity
82 ATC restriction due to staff shortage or equipment failure en-route
83 ATC restriction at destination
84 ATC restriction due to weather at destination
85 Mandatory security
86 Immigration, customs, health
87 Airport facilities, parking stands, ramp congestion, buildings, gate limitations
88 Restrictions at airport of destination, airport/runway closed due obstruction, industrial action, staff shortage, political unrest, noise abatement, night curfew, special flights
89 Restrictions at airport of departure, airport/runway closed due obstruction, industrial action, staff shortage, political unrest, noise abatement, night curfew, special flights, start-up and pushback
Miscellaneous (codes starting with 9)
Codes uses for reactionary reasons or Miscellaneous.
91 Passenger or load connection, awaiting load or passengers from another flight, protection of stranded passengers onto a new flight
92 Through check-in error
93 Aircraft rotation
94 Cabin crew rotation
95 Crew rotation (entire or flight crew)
96 Operations control, rerouting, diversion, consolidation, aircraft change for reasons other than technical
97 Industrial action within own airline
98 Industrial action outside own airline
99 Miscellaneous, not elsewhere specified
Delay Codes
Reviewed by Aviation Lesson
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Reviewed by Aviation Lesson
on
5:00 PM
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