EURO CONTROL _Network Operations Portal

Question 1

What does NOP stand for?

Answer 1

Network Operations Portal

Question 2

What does FCM stand for?

Answer 2

Flight Confirmation Message

Question 3

What does RRP stand for?

Answer 3

Reroute Proposal Message

Question 4

What does FLS stand for and what can be reasons for it (name 2 reasons)?

Answer 4

Flight suspension. Reasons can be

1. Slot missed message
2. Flight Activation Monitoring (FAM)
3. Expiration of flight plan
4. Non-matching times (TOBT and ETD/STD)
5. Unavailability (called closure before) of an aerodrome, airspace or point
6. No RVR provided (and low vis at DEST and no RVR in flight plan)
7. Flight plan revalidation
8. Cancel DPI
9. Manual suspension
10. Regulation with Delay Threshold Value

Question 5

What does IOBT stand for?

Answer 5

Initial off-block time

Question 6

What is CTOT? How do we calculate a CTOT?

Answer 6

Calculated Take-off time; IOBT+TT+Slot delay = CTOT

Question 7

What does TT stand for?

Answer 7

Taxi time

Question 8

What do the status reports mean?
LF
LU
LFU

Answer 8

LF = Late filer (less than 3 hrs before STD)
LU = Late updater (less than 2 hrs before STD)
LFU = Late filer and updater

• all times refer to actual departure time

Question 9

What does ETOT stand for?

Answer 9

Estimated take-off time

Question 10

What is ARCID?

Answer 10

Aircraft ID = flight number

Question 11

What is ATYP?

Answer 11

Type of aircraft

Question 12

What is RM?

Answer 12

Registration mark

Question 13

What does ADEP stand for?

Answer 13

Departure aerodrome

Question 14

What does ADEST stand for?

Answer 14

Destination aerodrome

Question 15

What is AO?

Answer 15

Aircraft Operator (ICAO Code)

Question 16

What is LV?

Answer 16

Latest validity

Question 17

What is TOBT?

Answer 17

Target off-block time

Question 18

What is TSAT?

Answer 18

Target start-up approval time

Question 19

What does MSG stand for?

Answer 19

Message

Question 20

What types of MSG can occur?

Answer 20

FLS= Flight suspension Message
IFPL = Initial flight plan
ACK = Acknowledged
SAM = Slot Allocation Message
SRM = Slot Revision Message
DLA = Delay
RRP = Reroute Proposal Message
DPI = Departure Information Message
SLC = Slot Cancellation Message
REA = Ready (to depart) Message
DES = De-suspension  Message
SIP = Slot Improvement Proposal
RRN = Reroute Notification Message
ERR = Error Message

Question 21

What does ACK mean?

Answer 21

Acknowledged

Question 22

What does IFPL stand for?

Answer 22

Initial flight plan

Question 23

WHAT is A/TTOT?

Answer 23

Actual/Target Take-off time

Question 24

What does RFL stand for?

Answer 24

Requested Flight level

Question 25

in the Column REGUL+ you find a Y or a N. What do these two stand for?

Answer 25

``` Y = more than one regulation N = 1 regulation ```

Question 26

What does REJ_IFPL stand for?

Answer 26

Rejection of Initial flight plan

Question 27

What is an on-time-slot?

Answer 27

a slot with 0 minutes slot delay

Question 28

What does AOWIR stand for?

Answer 28

Aircraft Operator - what-if-reroute

Question 29

What is REA?

Answer 29

Ready (to depart) Message

Question 30

Who can send a REA?

Answer 30

The tower of an aerodrome (The pilot can talk to the tower that they are ready and the tower can put it into the flow management system)

Question 31

What action is recommended to do/asked for by the pilots when the flight crew is ready to depart before the STD and you don't have an aerodrome with airport slot level 3?

Answer 31

Cancel and refile (to an earlier departure time)

Question 32

WHAT is a ERR?

Answer 32

Error Message

Question 33

What is a SRJ?

Answer 33

Slot Rejection Message

Question 34

What does SPA stand for?

Answer 34

Slot Proposal Acceptance

Question 35

What does ETOT stand for and how do you calculate an ETOT?

Answer 35

Estimated Take off time | EOBT+Taxi time = ETOT