1. Computer Command Composition and Entry
55053
V.1.02

2. Computer Command Composition and Entry
AD-Keyboard.jpg
AD Keyboard
Keyboard
Computer Command Composition and Entry

3. Objectives
At the end of this lesson you will be able to identify functions of:
Computer command entry
Error checking
Flight data command format
Information request command format
Information views on the RA system
Objectives
Computer Command Composition and Entry

4. Examples of Element and Field Separators
ELEMENT/ELEMENT SPACE FIELD SPACE ELEMENT/ELEMENT
FIELD
FIELD
ELEMENT..ELEMENT.ELEMENT.ELEMENT SPACE ELEMENT/ELEMENT
Elements
Field Separators
Computer Command Composition and Entry

5. MCA View Accept Message Reject Message Expanded View
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Accept Message
Reject Message
Expanded View
Expanded
View
Computer Command Composition and Entry

6. Computer Command Processing
Commands entered by the controller are checked for:
Syntax and format
Source legality
Semantics
If a command is rejected, an error message or reject message will display in the Feedback Area.
Commands
Computer Command Composition and Entry

7. Syntax and Format Checking
Field
Contents 01 FP 02
Aircraft Identification 03
Aircraft Data 05
Speed 06
Fix 07
Time 09
Requested Altitude 10
Route
Syntax
Format Checking
Chart
Example: FP AAL92 MD83/W 436 KMCI P KMCI..BNA.RMG8.KATL
Computer Command Composition and Entry

8. Example: Syntax or Format Error
Command Input
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Command Input
Error Message
MCA
Syntax
Error Message
Computer Command Composition and Entry

9. Example: Syntax or Format Error
Command Input
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Command Input
Error Message
MCA
Syntax
Error Message
Computer Command Composition and Entry

10. Example: Semantic Error
Command Input
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Command Input
Error Message
MCA
Syntax
Semantic Error
Error Message
Computer Command Composition and Entry

11. Types of System Responses
Accept
Reject
Error
Computer Command Composition and Entry

12. Reject Examples
X BCN CODE USED BY OTHER AC X CORRECTION PENDING AT SOURCE X NOT YOUR CONTROL X DUPLICATE FIELD REFERENCE X MESSAGE TOO LONG X AID UPDATES PENDING X (FIX NAME) CANNOT MERGE X INVALID CORRECTION DATA X MESSAGE TOO SHORT
Reject Messages
Computer Command Composition and Entry

13. Example: Field Reference
Command Input
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Command Input
Error Message
MCA
Syntax
Field Reference
Error Message
Computer Command Composition and Entry

14. Example: Message Too Long
Command Input
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Command Input
Error Message
MCA
Syntax
Error Message
Computer Command Composition and Entry

15. Controller Response to Error Messages
Canceling Entire Command
Taking No Action
Editing Command
Computer Command Composition and Entry

16. Command Entry Eligibility
Two Kinds of Input Commands
Sector Eligibility
Termination
Computer Command Composition and Entry

17. Flight Data Command Types
Flight Plan (FP)
Stereo Flight Plan (SP)
Remove Strip Command (RS)
Departure Command (DM)
Hold Command (HM)
Amendment Command (AM)
Computer Command Composition and Entry

18. Flight Plan (FP) Field Data01
Message Type
02 [AID]
Aircraft Identification
03 [TYP]
Aircraft Data
(04) [BCN]
Beacon Code
05 [SPD]
Speed
06 [FIX]
Coordination Fix
07 [TIM]
Time
08 [ALT]
Assigned Altitude (Active Flight)
09 [RAL]
Requested Altitude (Proposed Flight)
10 [RTE]
Route of Flight
(11) [RMK]
Remarks
Flight Plan FP
Chart
Note: Fields with the numbers in parentheses are optional.
Computer Command Composition and Entry

19. Stereo Flight Plan (SP) Example
Field
Contents 01 SP 02
Aircraft Identification
(03)
Aircraft Data
(05)
Speed 07
Time
(08 or 09)
Altitude or Requested Altitude 10
Stereo Route Tag
(11)
Remarks
Stereo Flight Plan SP
Chart
Example: SP ROCK1 2/F15/I P1730 BASSI
Note: Fields with the numbers in parentheses are optional.
Computer Command Composition and Entry

20. Remove Strip (RS) Example
Field
Contents 01 RS 02
Aircraft Identification
To help prevent an erroneous RS message, an extra confirmation is required.
After entering the RS command you will see CONFIRM BY ENTERING Y in the Feedback Area.
Enter Y and the Remove Strips will be accepted.
Entering something other than Y will be rejected X NOT CONFIRMED.
Remove Strip RS
Chart
Computer Command Composition and Entry

21. Departure Command (DM) Example
Field
Contents 01 DM
02 [AID]
Aircraft Identification
(07) [TIM]
Time
(08)
Assigned Altitude
Departure Command DM
Chart
Example: DM N700PX 2003 VFR
Computer Command Composition and Entry

22. Response Item A correct format for Field 02 in a DM is _______. 211*
AAL2/*
AAL2/OK*
Computer Command Composition and Entry

23. Aircraft Identification
Hold Command (HM)
Field
Contents 01 HM
02 [AID]
Aircraft Identification 21
Hold Data
(310)
Holding Instructions
Hold Command HM
Chart
Example: HM N700PX DSD/1245 N/LT/10NM
Computer Command Composition and Entry

24. Aircraft Hold Syntax Examples
Action
Syntax
Example
Present Position Hold
HM FLID P
HM AAL236 P
Hold at Fix
HM FLID FIX
HM AAL236 RMG
Hold at Fix with EFC
HM FLID FIX/EFC
HM AAL236 RMG/1234
Present Position Hold with EFC and Hold Instructions
HM FLID P/EFC
(Direction/Turns/
Leg Lengths)
HM AAL236 P/1234 NW/LT/20NM
Cancel Hold
HM FLID C
HM AAL236 C
Aircraft Hold Syntax
Chart
Computer Command Composition and Entry

25. Amendment Command (AM)
Field 01 02
Field Reference
Amendment Data
(Field Reference)
(Amendment Data)
Amendment Command AM
Chart
Example: AM SKW5362 BCN 1142 TIM DXX00
Computer Command Composition and Entry

26. Example: Amendment Command - Amending Field 03
Contents 01 AM 02
DLH458
Field Reference 03
Amendment Data
H/B744/L
Amendment Command Amending
Field 03
Chart
Example: AM DLH H/B744/L
Computer Command Composition and Entry

27. Composition of Field Amendments
Field 02 (AID)
Field 03 (TYP)
Field 04 (BCN)
Field 05 (BCN)
Field 06 (FIX)
Field 07 (TIM)
Field 08 (ALT)
Field 09 (RALT)
Computer Command Composition and Entry

28. Field 10 Amendment - Example 1
Current Route: KJKL.V4.MNO.V5.PQR.V6.KSTU Amendment: MNO.V15.PQR Result: KJKL.V4.MNO.V15.PQR.V6.KSTU
Field 10
Amendment
Computer Command Composition and Entry

29. Field 10 Amendment - Example 2
Current Route: KABC.V4.DEF.V5.HIJ.V6.KKLM Amendment: DEF.V3.KHIJ↓ Result: KABC.V4.DEF.V3.KHIJ
Field 10
Amendment
Computer Command Composition and Entry

30. Time Element Suffix - Example
Current Route:
KABC.V2.DEF.V3.GHI/D1+30.V5.JKL/D1+30.V7.KMNO
Amendment:
GHI/D0+30.V5.JKL.V7.KMNO/1800
Result:
Stored suffix for GHI changes from 1+30 to 30 minutes.
Stored suffix for JKL is deleted.
ETA suffix for KMNO is added.
Time Element Suffix
Computer Command Composition and Entry

31. Amend Departure Fix - Active Flight Example
Current Route: KCDE.V14.GHI.V74.KJKL Amendment: KABC Result: KABC.V14.GHI.V74.KJKL
Amend Departure Fix
Active Flight
Computer Command Composition and Entry

32. Amend Departure Fix - Proposed Flight Example
The new departure fix must be the only element entered and must be followed by the departure indicator ( ).
Current Route:
KCDE..GHI.V74.KJKL
Amendment:
06 KABC 10 KABC
Result:
KABC..GHI.V74.KJKL
Amend Departure Fix
Proposed Flight
Computer Command Composition and Entry

33. Example of Suppressing ADR / AAR / ADAR
(Adapted Departure Route / Adapted Arrival Route / Adapted Departure Arrival Route) Current Route: KABC.V1.DEF.V3.GHI.V5.JKL.V7.KMNO/1730 Amendment: KMNO*/1745 Result: Suppresses AAR for airport MNO
Suppressing
ADR
AAR
ADAR
Computer Command Composition and Entry

34. Active Flight Plan - Amend Merged Route Data
Current Route: KCDE.V14.GHI..KJKL Amendment: 6 GHI 10 GHI.V74.KJKL Result: KCDE./.GHI.V74.KJKL
Active Flight Plan
Amend Merged Route Data
Computer Command Composition and Entry

35. 06, 07, 10 Amendment Example
Current Route: KSFO./.FMG.J32.CZI..ABR..RWF..KMSP Amendment: 06 BAM E BAM FAR.GEP6.KMSP Result: KSFO./.BAM FAR.GEP6.KMSP 06 07 10
Amendment
Computer Command Composition and Entry

36. 06, 07, 10 Amendment With Dest. Change
Change Route Using Destination Indicator ( ) Current Route: KABC.V1.DEF.V2.GHI.V3.KJKL Amendment: 06 EFG 07 E EFG.V9.JKL.V10.KMNO Result: KABC./.EFG.V9.JKL.V10.KMNO 06 07 10
Amendment
Destination Change
Computer Command Composition and Entry

37. Amendment by Route Readout Request “By the Numbers”
Field
Contents 01 AM 02
Aircraft Identification
Amendment
Route Readout Request
Chart
Computer Command Composition and Entry

38. Route Readout Request Example
Current Route:
KABC./.CDE..LMN DEF..CDE.V3.LMN/D1+30..KABC
Route Readout “by the Numbers” in the Response Area:
1-KABC.2-/.3-CDE..4-LMN DEF CDE.7-V3.8-LMN/D KABC
Route Readout Request
Computer Command Composition and Entry

39. Route Amendment Correction Examples
Data Entry
Result
3..6
Deletes elements 4 and 5 8
Deletes suffixes on element 8
8/D0+30
Adds or changes delay on element 8
Route Amendment Correction
Computer Command Composition and Entry

40. Field 11 Amendment Example
Contents 01 AM 02
DAL212
Field Reference
RMK
Amendment Data
OTCAS EQUIPPED
Field 11
Amendment
Example: AM DAL212 RMK OTCAS EQUIPPED
Computer Command Composition and Entry

41. Response Item
KABC.V2.DEF.V1.GHI.V3.JKL.V7.LMN.V9.KPDQ Given the route above, an amendment that will change the route from over GHI via V11 CED direct LMN is _______.
GHI.V11.CED.LMN
GHI.V11.CED..LMN
GHI.V11..CED.LMN
Computer Command Composition and Entry

42. Response Item Which of the following AM commands is correct?
AM N404JP RAL 100
AM N404JP BCN
AM N404JP 02 N405JP ALT 100
Computer Command Composition and Entry

43. Response Item
KABC.V1.DEF..JKL.V3.CDE.V5.HIJ.V13.KPQR Given the route above, an amendment that will change the route from over CDE via V7 MNO V9 KQRS landing KQRS is _______.
CDE.V7.MNO.V9.KQRS
CDE.V7..MNO.V9.QRS..KPQR
CDE.V7.MNO.V9..KQRS
Computer Command Composition and Entry

44. Route Amendment Correction Exercise
1-KABC.2-V1.3-CDE..4-LMN DEF..6-CDE.7- V3.8-LMN..9-KABC
Route Amendment Correction
Computer Command Composition and Entry

45. Multiple Flight ID Examples
Point Out: (Call Signs) QP 30 DAL2146/UAL52 Assigned Altitude: (CIDs) QZ /762 Suppress Group: (Beacon Codes) SG 3501/4234
Multiple Flight ID
Computer Command Composition and Entry

46. Altimeter Request (AR) Example
Field
Contents 01 AR 13
Location ID
(13)
Altimeter Request AR
Chart
Example: AR SDF CRW HTS JKL
Computer Command Composition and Entry

47. Altimeter Request (QD) Example
Field
Contents 01 QD 13
Location ID
(13)
Altimeter Request QD
Chart
Example: QD PDX HIO UAO SLE CVO EUG
Computer Command Composition and Entry

48. RA Altimeter Settings View
Menu allows choice of lines and columns up to a total of 24 entries
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RA Altimeter Settings View
Altim Set View
Computer Command Composition and Entry

49. RA Altimeter Settings View Template
Maximum of twenty-four (24) entry boxes
Maximum columns four (4)
Maximum rows twenty-four (24)
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Altimeter Set View
Computer Command Composition and Entry

50. RA Altimeter Settings View Delete
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Altimeter Set View
Computer Command Composition and Entry

51. RA Altimeter Settings View Coding
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Altimeter Set View
Computer Command Composition and Entry

52. Weather Request (WR) Example
Field
Contents 01 WR 13
Location ID
(13)
Weather Request WR
Chart
Example: WR SLC OGD PVU
Computer Command Composition and Entry

53. RA Weather Station Report View
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Wx View
Weather View
Computer Command Composition and Entry

54. RA Weather Station Report View Delete
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Wx View
Weather View
Computer Command Composition and Entry

55. Strip Request (SR) Example
Field
Contents 01 SR 02
Aircraft Identification 13
Fix or Strip Number 16
Output Routing
Strip Request SR
Chart
Example: SR AAL1292 BNA BNAT
Computer Command Composition and Entry

56. Flight Plan Readout (FR) Example
Field
Contents 01 FR 02
Aircraft Identification
(16)
Output Routing
(42)
ICAO Flight Data Selection
Flight Plan Readout FR
Chart
Example: FR RPA2172 P
Note: Field 42 can be a C,F,I,1,2 or A. Each returns a slightly different version of the ICAO data.
Computer Command Composition and Entry

57. Examples of Miscellaneous Commands
Field
Contents GI
General Information Command RF
Request Flight Plan Transfer TD
Test Device Command WX
Weather input AS
Altimeter Setting Input UR
Upper Wind Request
Miscellaneous Commands
Commands
Chart
Computer Command Composition and Entry

58. General Information (GI) Example
Field
Contents 01 GI
16 (16) (16) up to 48
Output Routing 11
General Information
General Information GI
Chart
Example: GI OSECTOR 12 IS CLOSED
Computer Command Composition and Entry

59. General Information Command Examples
Field 01
Field 16
Field 11
Contents GI C
O Free Text
Sent to all active sector FSPs and AT Specialist Workstations in the center. dd
Sent to sector number
dd dd
Sent to sector number (up to 48 sectors/positions)
aaaT
Sent to named tower, e.g., ORDT
aaaD
Sent to named approach control departure position
aaaA
Sent to named approach control arrival position
General Information GI
Command
Chart
Computer Command Composition and Entry

60. General Information Command EDST Example
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General Information Message
GI View
GI Message Menu
EDST Toolbar
Computer Command Composition and Entry

61. Request Flight Plan Transfer (RF) Example
Field
Contents 01 RF
02 [AID]
Aircraft Identification 13
Facility Identifier
Request Flight Plan Transfer RF
Chart
Example: RF N700PX PPP
Computer Command Composition and Entry

62. The End
Computer Command Composition and Entry