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expn.py
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#!/usr/bin/env python
# vim: tabstop=4:softtabstop=4:shiftwidth=4:expandtab:
# Explanations of various codes found in an ACARS message compiled from
# various sources around the net...
# http://acarsonline.pbworks.com/w/page/1286730/Message%20Labels
# https://github.com/brmlab/acarsdec/blob/master/datasets/acars_mls.txt
# https://github.com/raw/gat3way/rtl_acars_ng/master/datasets/acars_mls.txt
# http://www.cosmic.com.au/acarsanalyser/v3/datares/MsgLabelsData.asp
arinc620 = {
'00': ['Emergency SitRep', 'Hijack Situation Report'],
'10': ['British Airways ARR (ETA) Report', 'American Airlines/Eagle Frequency Change', 'Fedex ATIS Request Message', 'British Airways FST Report'],
'11': ['Inrange Arrival Report', 'Fedex In Range Arrival Report'],
'13': ['CMU loadsheet uplink'],
'14': ['General Aviation Free Text'],
'15': ['General Aviation Position Report'],
'16': ['Fedex Position Report-AUTPOS', 'General Aviation Weather Request'],
'17': ['Northwest Airlines Position/Weather Report'],
'18': ['General aviation weather report'],
'19': ['ATIS report'],
'1C': ['Flight plan request'],
'1L': ['Atlantic Coast Airlines/United Express QF OFF message'],
'1M': ['Estimated Time of Arrival report'],
'20': ['SAS Initialization'],
'21': ['SAS Takeoff Data calculation'],
'23': ['SAS Loadsheet Uplink'],
'24': ['Northwest Airlines Position/Weather Request'],
'25': ['SAS Special Load Notification'],
'26': ['SAS SIGMET message'],
'27': ['SA Weather Request'],
'28': ['Weather Request'],
'29': ['SAS Flow Message'],
'2S': ['Weather Request'],
'2U': ['Weather'],
'30': ['UPS Position Report'],
'31': ['Northwest Airlines Weather Report'],
'36': ['Northwest Airlines In Range Message'],
'39': ['Northwest Airlines arrival/free text message'],
'3F': ['UPS ETA Downlink Message'],
'3G': ['UPS Free Text Message Format'],
'3J': ['UPS Downlink Message'],
'3S': ['UPS Downlink Message'],
'3U': ['UPS Uplink acknowledgement'],
'41': ['SAS Flow Message'],
'46': ['Pirep'],
'47': ['747-400 Airway Position Downlink'],
'48': ['Misc Msgs'],
'49': ['Air Canada Status Reports'],
'4A': ['Air Canada latest new format'],
'4M': ['Cargo Info', 'Air Canada Uplink to Cockpit Printer-specific message'],
'4P': ['Weather report/forecast'],
'4Q': ['Air Canada departure format'],
'4R': ['OFF Air Canada-Specific Message Format'],
'4S': ['Weather Request'],
'4T': ['ETA Report'],
'4X': ['Air Canada Frequency List'],
'50': ['Possible HFDL Msg router'],
'51': ['Ground GMT Request/Update'],
'52': ['Ground UTC Request/Update'],
'53': ['Reserved Spare'],
'54': ['ACARS Frequency Uplink', 'Aircrew Initiated Voice Contact Request', 'Voice Go-Ahead'],
'57': ['Alternate Aircrew Initiated Position Report'],
'58': ['Aircraft Tracking Control', 'Aircraft Tracking Periodic Position Report'],
'5D': ['ATIS Request'],
'5P': ['Temporary Suspension of ACARS Service (reponse to Q6)'],
'5R': ['Aircraft initiated position report'],
'5U': ['Downlink Weather Request'],
'5V': ['VDL Switch Advisory'],
'5Y': ['ETA Revision', 'Diversion'],
'5Z': ['Airline designated downlink'],
'7A': ['Aircraft Initiated Engine Data', 'Takeoff Thrust Report'],
'7B': ['Misc Aircrew Initiated Msgs'],
'80': ['Delta/Canadian specific 3C03 position report format', 'Airline Defined'],
'81': ['Airline Defined'],
'82': ['Airline Defined'],
'83': ['Airline Defined'],
'84': ['S.A.S. Free Text Message', 'Airline Defined'],
'85': ['Airline Defined'],
'86': ['Airline Defined'],
'87': ['Airline Defined'],
'88': ['Airline Defined'],
'89': ['Airline Defined'],
'8A': ['SAS Out report'],
'8B': ['SAS Off report'],
'8C': ['SAS On report'],
'8D': ['SAS In report'],
'8E': ['SAS Out/return in report'],
'8G': ['SAS Take off data calculation request'],
'8H': ['SAS Loadsheet request/confirmation'],
'8I': ['SAS Flightplan request'],
'8J': ['SAS Crewlist request'],
'8X': ['Uplink ATIS Information'],
'8Z': ['Avionics unable to process data'],
'99': ['Emergency Situation Report'],
':;': ['Command Acft Xcvr change freq'],
'::': ['Reserved'],
':}': ['POA to AOA Retune'],
'A0': ['ATIS Facilities Notification'],
'A1': ['Deliver Oceanic Clearance'],
'A2': ['Unassigned'],
'A3': ['Deliver Departure Clearance'],
'A4': ['Acknowledge Departure Clearance'],
'A5': ['Request Position Report'],
'A6': ['Request ADS Report'],
'A7': ['Forward Free Text to Aircraft'],
'A8': ['Deliver Departure Slot'],
'A9': ['Deliver ATIS Information'],
'AA': ['ATC Communications'],
'AB': ['Terminal Weather Information for Pilots'],
'AC': ['Pushback Clearance Uplink'],
'AD': ['Expected Taxi Clearance'],
'AE': ['Unassigned'],
'AF': ['CPC Command Response'],
'AG': ['Unassigned'],
'AW': ['ATS Wind Data'],
'B0': ['ATS Facility Notification'],
'B1': ['Flight Plan Oceanic Clearance Request'],
'B2': ['Oceanic Clearance Readback'],
'B3': ['Request Departure Clearance'],
'B4': ['Acknowledge Departure Clearance'],
'B5': ['Provide Position Report'],
'B6': ['Provide ADS Report'],
'B7': ['Forward Free Text to ADS'],
'B8': ['Request Departure Slot'],
'B9': ['Request ATIS information', 'Flight Plan Information Receipt'],
'BA': ['ATC Communications'],
'BB': ['Terminal Weather Information for Pilots'],
'BC': ['Pushback Clearance Request'],
'BD': ['Expected Taxi Clearance Request'],
'BE': ['CPC Log-on/Log-off Request'],
'BF': ['CPC Wilco'],
'BG': ['Unassigned'],
'BW': ['ATS Wind Response'],
'C#': ['Message to Cockpit Printer #'],
'C0': ['Uplink message to all printers'],
'C1': ['Uplink message to printer 1'],
'C2': ['Uplink message to printer 2'],
'C3': ['Uplink message to printer 3'],
'CA': ['Printer Error'],
'CB': ['Printer Busy'],
'CC': ['Printer Local', 'Printer in Test Mode'],
'CD': ['Printer out of Paper', 'Printer No Paper'],
'CE': ['Printer Buffer Overrun'],
'CF': ['Printer Reserved Status'],
'DL': ['Reserved for Data Loading'],
'D' : ['De-Icing Downlinks'],
'DI': ['De-Icing Uplinks'],
'EI': ['Internet Email Message'],
'E1': ['Internet Email Message'],
'E2': ['Internet'],
'EL': ['Engine Monitoring Unit Message Downlink'],
'ER': ['Engine Monitoring Unit Message Downlink'],
'F3': ['Dedicated Transceiver Advisory'],
'H1': ['Message to/from terminal', 'Messages from Avionic Subsystem', 'OAT', 'OAX'],
'H2': ['Meteorological Report'],
'H3': ['Icing Report'],
'H4': ['Meteorological Report Configuration Downlink'],
'HF': ['HF Report'],
'HX': ['Undelivered Uplink report'],
'KB': ['Loopback Request/Response'],
'LB': ['Cabin E-Logbook'],
'LC': ['Cabin E-Logbook'],
'LS': ['Technical (Cockpit) E-Logbook'],
'LT': ['Technical (Cockpit) E-Logbook'],
'M1': ['IATA Departure Msg', 'IATA Departure Message'],
'M2': ['IATA Arrival Msg', 'USR', 'User Defined Message'],
'M3': ['IATA Return to Ramp Message'],
'M4': ['IATA Return from Airborne Message'],
'P0': ['AMS-Protected Downlink Message, Test System Destination'],
'P6': ['Unassigned'],
'P7': ['AMS-Protected Uplink ATS Message'],
'P8': ['AMS-Protected Uplink AMS-Specific Message'],
'P9': ['AMS-Protected Uplink AOC Message'],
'PA': ['AMS-Protected Downlink ATS Message'],
'PB': ['AMS-Protected Downlink AMS-Specific Message'],
'PC': ['AMS-Protected Downlink AOC Message'],
'Q0': ['ACARS Link Test'],
'Q1': ['ETA Departure/Arrival Report'],
'Q2': ['ETA Report'],
'Q3': ['GMT Clock Update'],
'Q4': ['Voice Circuit Busy - Reply to 54'],
'Q5': ['Unable to process uplinked messages'],
'Q6': ['Voice-to-ACARS change over-Joining ACARS'],
'Q7': ['Delay message'],
'Q8': ['Reserved'],
'Q9': ['Reserved'],
'QA': ['Out/fuel report', 'Departure Report'],
'QB': ['Off report'],
'QC': ['On Report'],
'QD': ['Arrival Report / In Fuel'],
'QE': ['Out/fuel destination report'],
'QF': ['OFF (Off/destination report) / Out Fuel'],
'QG': ['Returning to Gate Report'],
'QH': ['Out Report'],
'QK': ['Landing report'],
'QL': ['Arrival Report'],
'QM': ['Arrival Info Report'],
'QN': ['Diversion Report'],
'QP': ['OUT report'],
'QQ': ['OFF report'],
'QR': ['ON report'],
'QS': ['IN report'],
'QT': ['OUT/Return IN report'],
'QU': ['Unassigned'],
'QV': ['Autotune Reject'],
'QW': ['Unassigned'],
'QX': ['Intercept, airborne subsystem unable to process'],
'QY': ['Unassigned'],
'QZ': ['Unassigned'],
'RA': ['Command Acft terminal to TX data'],
'RB': ['Response of aircraft terminal to RA uplink message'],
'RE': ['Refuel'],
'S1': ['VHF Network Statistics Report'],
'S2': ['VHF Performance Report'],
'S3': ['LRU Configuration Report'],
'SA': ['Media Advisory'],
'SQ': ['Uplink Squitter'],
'UP': ['Message Acknowledgement'],
'WP': ['Potable Water Remote Pre-selection'],
'_D': ['General Response'],
'_J': ['No info to TX'],
}
# Label '5Z' is airline-defined. United Airlines seems to put a
# code at the beginning of the text
united_5z = {
'/10': 'PIREP',
'/AI': 'Auto Init',
'/B1': 'Request Weight and Balance',
'/B3': 'Request Runway Data',
'/B6': 'Runway Data Resp',
'/C11': 'International PIREP',
'/C3': 'Off message',
'/C4': 'Flight dispatch',
'/C5': 'Maintenance Message',
'/C6': 'Customer Service',
'/CD': 'Weight and Balance',
'/CG': 'Request Pre-departure clearance (PDC)',
'/CM': 'Crew Scheduling',
'/CS': 'Customer Service',
'/D3': 'Holding pattern message',
'/D6': 'From-to +date',
'/D7': 'From-to+Alternate+Time',
'/DS': 'Late message',
'/EO': 'In range',
'/ET': 'Expire Time',
'/M4': 'Request Maintenance Required Determination',
'/PB': 'Request Crew List',
'/PN': 'Problem Note?',
'/PW': 'Position weather',
'/R3': 'Request howgozit message',
'/R4': 'Request the latest POSBD',
'/RL': 'Request Release',
'/TC': 'From-to-fuel',
'/W1': 'Request weather - City',
'/WB': 'From-to',
'/71': 'Maintenance Issues',
}
abbrevs = {
'ADNS': 'ARINC Data Network Service',
'AL': 'Flight Level',
'AML': 'Aircraft Maintenace Log',
'AO': 'Pax Cnt in zone A (FC)',
'APRCH': 'Approach',
'ARINC': 'Aeronautical Radio Inc.',
'ATIS': 'Automatic Terminal Information Service',
'CFDIU': 'Combined Flight Data Indicator Unit',
'CG': 'Center of Gravity',
'CI': 'Cost Index',
'CL': 'Cruise Level',
'CR': 'Company Route',
'CW': 'Cruise wind',
'CZ': 'Cruise speed',
'DA': 'Departure Aerodrome',
'DFDAU': 'Digital Flight Data Acquisition Unit',
'DG': 'Drag factor',
'DP': 'Dew point',
'DS': 'Destination Station',
'DX': 'Long Distance',
'EO': 'Estimated Time Over',
'ET': 'Estimated Time',
'FB': 'Amount of fuel boarded',
'FC': 'Estimated further clearance',
'FD': 'Fuel over destination',
'FDR': 'Flight Data Recorder',
'FF': 'Fuel flow factor (lb/hr)',
'FI': 'Flight Identification',
'FL': 'Flight Level',
'FMC': 'Flight Management Computer',
'FO': 'First Officer',
'FOB': 'Fuel On Board',
'FQY': 'Frequency',
'FR': 'Fault Report Prefix',
'FRM': 'Maintenance codes',
'FX': 'En Route Fix',
'GL': 'Geographical Location',
'HD': 'Aircraft Heading',
'IC': 'Aircraft Icing',
'IN': 'Time In',
'IR': 'In VHF range and Instrument Rated',
'LA': 'Identification of officer landing aircraft',
'LT': 'Light',
'MA': 'Message Assurance',
'MN': 'Maintenance',
'MRD': "Maintenance Requirements Determination",
'MT': 'Maximum takeoff power computation',
'MU': 'Management Unit',
'N1': 'Speed of Turbine 1',
'N2': 'Speed of Turbine 2',
'NA': 'Navigation Aid',
'NL': 'Number of Landings',
'NON-FDE': 'Non-critical Faults, Aircraft is Airworthy',
'NP': 'Next report point',
'OA': 'Pax Cnt in zone A (FC)',
'OB': 'Pax Cnt in zone B (Biz)',
'OC': 'Pax Cnt in zone C (Econ)',
'OF': 'Time off',
'ON': 'Time on',
'OP': 'Oil Pressure',
'OS': 'Other supplementary information',
'OT': 'Time out',
'OT': 'Time out',
'OV': 'Present Location',
'PB': 'Persons onboard',
'PD': 'Point of Departure',
'PIREP': "Pilot's Report",
'PLTOKL': 'Internal Addressing within Computer System',
'PW': 'Position Weather',
'QN': 'Altimeter Settings',
'RD': 'Departure Runway',
'RF': 'Request Flight Level',
'RGS': 'Remote Ground Station',
'RI': 'Return In Time',
'RL': 'Request Cruising Level',
'RM': 'Remarks',
'RO': 'Return On Time',
'RQ': 'Request',
'RT': 'Route Information',
'SA': 'Alternative Aerodrome',
'SI': 'Special communication addressing instruction',
'SK': 'Sky Conditions',
'SL': 'SELCAL code',
'SP': 'Significant Point',
'ST': 'Standard Takeoff Power',
'TA': 'Static Air Temperature',
'TB': 'Turbulence',
'TD': 'Takeoff Temperature',
'TEI': 'Text Element Identifiers',
'TE': 'Time En Route',
'TM': 'Surface Air Temperature',
'TO': 'Time Over',
'TP': 'Transmission Path',
'TRIM': 'Required Compensation of MAC',
'V1': 'Velocity 1',
'V2': 'Velocity 2',
'VR': 'Rotate',
'VR': 'Runway Visual Range',
'WCHR': 'Wheelchair',
'WL': 'Weather',
'WP': 'Waypoint',
'WR': 'Warning',
'WV': 'Wind Information',
'WXRQ': 'Weather Request',
'WX': 'Weather',
'XPDR': 'Transponder',
'ZW': 'Zero Fuel Weight',
}
h1types = {
"A0": "ATS Facility Notification (AFN)",
"A1": "Oceanic Clearance",
"A2": "Unassigned",
"A3": "Departure Clearance Response",
"A4": "Flight Systems Message",
"A5": "Assigned",
"A6": "Request ADS Reports",
"A7": "Free Text",
"A8": "Deliver Departure Slot",
"A9": "ATIS report",
"AA": "ATCComm",
"AB": "TWIP Report",
"AC": "Pushback Clearance",
"AD": "Expected Taxi Clearance",
"AE": "Unassigned",
"AF": "CPC Command/Response",
"B0": "ATS Facility Notification",
"B1": "Request Oceanic Clearance",
"B2": "Oceanic Clearance Readback",
"B3": "Request Departure Clearance",
"B4": "Departure Clearance Readback",
"B5": "Reserved",
"B6": "Provide ADS Report",
"B7": "Free Text",
"B8": "Request Departure Slot",
"B9": "Request ATIS Report",
"BA": "ATCComm",
"BB": "Request TWIP Report",
"BC": "Pushback Clearance Request",
"BD": "Expected Taxi Clearance Request",
"BE": "CPC Aircraft Log-On/Off Request",
"BF": "CPC WILCO/UNABLE Response",
"CF": "Central Fault Display",
"DF": "Digital Flight Data Acquisition Unit",
"EC": "Engine Display System",
"EI": "Engine Report",
"H1": "HF Data Radio - Left",
"H2": "HF Data Radio - Right",
"H3": "Icing Report",
"HD": "HF Data Radio - Selected",
"M1": "Flight Management Computer - Left",
"M2": "Flight Management Computer - Right",
"M3": "Flight Management Computer - Center",
"MD": "Flight Management Computer - Selected",
"PS": "Keyboard/Display Unit",
"S1": "SDU - Left",
"S2": "SDU - Right",
"SD": "SDU - Selected",
"T0": "Cabin Terminal Message (Undefined)",
"T1": "Cabin Terminal Messages",
"T2": "Cabin Terminal Messages",
"T3": "Cabin Terminal Messages",
"T4": "Cabin Terminal Messages",
"T5": "Cabin Terminal Messages",
"T6": "Cabin Terminal Messages",
"T7": "Cabin Terminal Messages",
"T8": "Cabin Terminal Messages",
"WO": "Weather Observation Report"
}