Aviation Investigation Report A98H0003
Glossary
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Symbols
| A | |
| A | ampere |
|---|---|
| A&P | airframe and powerplant |
| AAIB | Aircraft Accident Investigation Bureau (Swiss) |
| AC | Advisory Circular |
| AC | alternating current |
| ACARS | aircraft communications addressing and reporting system |
| ACC | air conditioning controller |
| ACC | area control centre |
| ACO | Aircraft Certification Office |
| ACP | audio control panel |
| ACSEP | Aircraft Certification Systems Evaluation Program |
| AD | Airworthiness Directive |
| ADAS | auxiliary data acquisition system |
| ADC | air data computer |
| ADG | air-driven generator |
| ADT | Atlantic daylight time |
| AEG | Aircraft Evaluation Group |
| AEGIS | Advanced Electronic Guidance and Instrumentation System |
| AES | airborne earth station (within discussion of ACARS) |
| AES | Auger electron spectroscopy (within discussion of material analysis) |
| AFCB | arc fault circuit breaker |
| AFF | aircraft firefighting |
| AFM | Airplane (or Aircraft) Flight Manual |
| AFS | auto flight system |
| agl | above ground level |
| Al | aluminum |
| ALAR | Approach and Landing Accident Reduction |
| ALPA | Air Line Pilots Association |
| AMU | audio management unit |
| AND | aircraft nose down |
| ANU | aircraft nose up |
| AOC | Air Operator Certificate |
| AOL | All Operator Letter |
| AOM | Aircraft Operations Manual |
| AP | Autopilot |
| APU | auxiliary power unit |
| ARAC | Aviation Rulemaking Advisory Committee |
| ARINC | Aeronautical Radio Inc. |
| ARP | Aerospace Recommended Practice |
| ARSR | air route surveillance radar (USA) |
| ARTCC | Air Route Traffic Control Center (USA) |
| ASA | Aviation Safety Advisory |
| ASB | Alert Service Bulletin |
| ASC | automatic systems control |
| ASCP | air systems control panel |
| ASDE | airport surface detection equipment |
| ASHRAE | American Society of Heating, Refrigeration and Air Conditioning Engineers |
| ASIL | Aviation Safety Information Letter |
| asl | above sea level |
| ASN | assigned serial number |
| ASR | Aviation Safety Recommendation |
| ASTM | American Society for Testing and Materials |
| ASTRAC | Aging Transport Systems Rulemaking Advisory Committee |
| ATA | Air Transport Association |
| ATC | air traffic control |
| ATIS | automatic terminal information service |
| ATPL | airline transport pilot licence |
| ATS | air traffic services |
| AU | avionics upper [panel] |
| AVI | Audio-Video Interleave [Microsoft] |
| AWG | American Wire Gauge |
| B | |
| BDN | broadband distribution network |
| BEA | Bureau d'Enquêtes et d'Analyses pour la Securité de l'Aviation Civile (France) |
| BIO | Bedford Institute of Oceanography |
| C | |
| 14 CFR | Title 14, Code of Federal Regulations (USA) |
| °C | degree(s), Celsius |
| CAA | civil aviation authority |
| CAAC | Civil Aviation Administration of China |
| CAC | center accessory compartment |
| CAD | computer-aided design |
| CAM | cockpit area microphone |
| CANMET | Canada Centre for Mineral and Energy Technology |
| CARAC | Canadian Aviation Regulation Advisory Council |
| CARs | Canadian Aviation Regulations |
| CASS | Continuing Analysis and Surveillance System |
| CAVOK | ceiling and visibility OK |
| CB | circuit breaker |
| CC | cluster controller |
| cc | cubic centimetre |
| CCA | circuit card assembly |
| CCG | Canadian Coast Guard |
| CCGS | Canadian Coast Guard Ship |
| CDR | critical design review |
| CEA | Central Engineering Agency |
| CEM | Cabin Emergency Manual |
| CF | Canadian Forces |
| CFAV | Canadian Forces Auxiliary Vessel |
| CFB | Canadian Forces Base |
| CFD | computational fluid dynamics |
| CFM | cubic feet per minute |
| CFR | Code of Federal Regulations (USA) |
| CFS | cabin file server |
| CHS | Canadian Hydrographic Services |
| cm | centimetre |
| CME | Chief Medical Examiner |
| CMU | communications management unit |
| C of G | centre of gravity |
| COMPT | compartment |
| CPD | circuit protection (or protective) device |
| CPU | central processing unit |
| CRE | component responsible engineering |
| CRES | corrosion resistant |
| CRM | cockpit (or crew) resource management |
| CRP | communication radio panel |
| CSD | certification supporting document |
| CSR | Canadian Seabed Research |
| CSRTG | Cabin Safety Research Technical Group |
| CTIU | cabin telephone interface unit |
| CUMA | Canadian Underwater Mine-countermeasures Apparatus |
| CVFR | controlled visual flight rules |
| CVIS | cabin video information system |
| CVR | cockpit voice recorder |
| CYAW | Halifax Shearwater Airport (Nova Scotia) |
| CYHZ | Halifax International Airport (Nova Scotia) |
| CYQI | Yarmouth Airport (Nova Scotia) |
| CYQM | Greater Moncton Airport (New Brunswick) |
| D | |
| D | energy density expressed in J/m2 |
| DAS | Designated Alteration Station |
| DAU | disk array unit |
| dB | decibel |
| dBi | decibel isotropic |
| dBm | decibel referenced to 1 milliwatt |
| dBZ | a unit of radar reflectivity used in meteorology |
| DC | direct current |
| DCAS | digitally controlled audio system |
| DDS | The FAA's DAS, DOA, and SFAR 36 Program |
| DEU | display electronic unit |
| DFDAU | digital flight data acquisition unit |
| DFDR | digital flight data recorder |
| DFO | Department of Fisheries and Oceans |
| DIN | Deutsche Industrie Norm |
| DITS | digital information transfer system |
| DME | distance measuring equipment |
| DMS | Douglas Material Specification |
| DNA | deoxyribonucleic acid |
| DND | Department of National Defence |
| DOA | Delegation Option Authorization |
| DPS | Douglas Process Standard |
| DREA | Defence Research Establishment Atlantic |
| DSIS | Deep Seabed Intervention System |
| DTL | Decorative PVF laminate |
| DTM | digital terrain model |
| DU | display unit |
| E | |
| E | electric field strength |
| E&E | electrical and electronic equipment |
| EAD | engine and alert display |
| EAPAS | Enhanced Airworthiness Program for Airplane Systems |
| EC | Environment Canada |
| ECM | electronic countermeasures |
| EDP | engine-driven hydraulic pump |
| EDT | eastern daylight savings time |
| EEC | electronic engine control |
| EEPROM | electrically erasable programmable read-only memory |
| EIRP | effective isotropic radiated power |
| EIS | electronic instrument system |
| ELA | electrical load analysis |
| ELT | emergency locator transmitter |
| EMC | electromagnetic compatibility |
| EMI | electromagnetic interference |
| EMO | Emergency Measures Organization (or Office) |
| EO | engineering order |
| EPC | Emergency Preparedness Canada |
| EPCU | electrical power control unit |
| EPR | engine pressure ratio |
| ESC | environmental system controller |
| ETFE | ethylene-tetrafluoroethylene |
| ETOPS | Extended Range Twin Engine Operations |
| EUROCAE | European Organisation for Civil Aviation Equipment |
| EXT | extended |
| F | |
| °F | degree(s), Fahrenheit |
| F/A | flight attendant |
| FA1W | Northeast Region Area Forecast |
| FAA | Federal Aviation Administration (USA) |
| FACN35 | Canadian area forecast, District 35 |
| FADEC | full-authority digital electronic control |
| FAR | Federal Aviation Regulation (USA) |
| FAUS5 | US Area Forecast |
| FBS | fixed-base simulator |
| FBV | French Bureau Veritas |
| FCC | flight control computer |
| FCOM | Flight Crew Operating Manual |
| FCP | flight control panel |
| FCRL | flight crew reading light |
| FD | flight director |
| FDAU | flight data acquisition unit |
| FDCU | fire detection control unit |
| FDM | Flight Data Monitoring |
| FDR | flight data recorder |
| FDU(A) | Fleet Diving Unit (Atlantic) |
| FE | flap extension |
| FEP | fluorinated ethylene-propylene [resin] |
| FH | flight hours |
| FIB | focused ion beam |
| FL | flight level |
| FMA | flight mode annunciator |
| FMC | flight management computer |
| FMS | flight management system |
| FMU | fuel metering unit |
| FO | first officer |
| FOC | Flight Operations Centre (Swissair) |
| FOCA | Federal Office for Civil Aviation (Switzerland) |
| FOCUS | flight operations computer system |
| FOEB | Flight Operations Evaluation Board |
| FOO | flight operations officer |
| FOQA | flight operational quality assurance |
| fpm | feet per minute |
| FR | fluid-resistant [primer paint] |
| FS | frame station |
| FSAW | Flight Standards Information Bulletin for Airworthiness |
| FSB | Flight Standardization Board |
| FSC | fuel system controller |
| FSEG | Fire Safety Engineering Group - University of Greenwich |
| FSR | field service representative |
| FSS | flight service station |
| ft. | foot (feet) |
| FWD | forward |
| G | |
| g | gravity |
| GB | gigabyte |
| GB | Swissair General/Basics: Flight Crew [manual] |
| GCU | generator control unit |
| GES | ground earth station |
| GHz | gigahertz |
| GIS | Geographic Information System |
| gpm | gallons per minute |
| H | |
| h | hour(s) |
| HCU | hydraulic control unit |
| HDD | hard-disk drive |
| HDS | Halon Distribution System |
| HDU | head-end distribution unit |
| HF | high frequency |
| HI | Hollingsead International |
| HIRF | high-intensity radiated field |
| HMCS | Her Majesty's Canadian Ship |
| HMU | hydro-mechanical unit |
| HPC | high-pressure compressor |
| HPT | high-pressure turbine |
| HSC | hydraulic system controller |
| HTML | Hypertext Markup Language |
| Hz | hertz |
| I | |
| IAS | indicated airspeed |
| IC | integrated circuit |
| ICA | Instructions for Continued Airworthiness |
| ICAO | International Civil Aviation Organization |
| IDG | integrated-drive generator |
| IDN | identification number |
| IFE | in-flight entertainment |
| IFEN | in-flight entertainment network [the IFE system of Interactive Flight Technologies] |
| IFR | instrument flight rules |
| IFT | Interactive Flight Technologies |
| IGV | inlet guide vanes |
| IIC | investigator-in-charge |
| ILS | instrument landing system |
| IMC | instrument meteorological conditions |
| in. | inch(es) |
| in. Hg | inches of mercury |
| INMARSAT | International Maritime Satellite Organization |
| IPC | Illustrated Parts Catalogue |
| IRU | inertial reference unit |
| ISE | International Submarine Engineering Ltd. |
| ISO | International Organization for Standardization |
| ISOL | isolation |
| ISVD | in-seat video display |
| IVR | image-based virtual reality |
| J | |
| J | joule |
| JAA | Joint Aviation Authorities |
| JAR | Joint Aviation Requirements |
| JCAB | Civil Aviation Bureau of Japan |
| JFK | John F. Kennedy [International Airport] (New York) |
| K | |
| kB | kilobyte |
| KBGR | Bangor International Airport (Maine) |
| KBOS | General Edward Lawrence Logan International Airport (Massachusetts) |
| kg | kilogram |
| kHz | kilohertz |
| KIAS | knots indicated airspeed |
| km | kilometre(s) |
| kPa | kilopascal(s) |
| kt | knot(s) |
| kV | kilovolt(s) |
| kVA | kilovolt-ampere |
| kW | kilowatt(s) |
| L | |
| L | litre |
| L/min | litres per minute |
| LAACO | Los Angeles Aircraft Certification Office |
| LAN | local area network |
| lat. | latitude |
| LAV | lavatory |
| lb | pound(s) |
| lb/min | pound(s) per minute |
| lbf | pound force |
| LCD | liquid crystal display |
| LEAF | Laser Environmental Airborne Fluorosensor |
| LKP | last known position |
| LLS | laser line scan |
| LLSG | Geneva International Airport (Switzerland) |
| LOI | Letter of Intent |
| long. | longitude |
| LOPA | Layout of Passenger Accommodation |
| LP | low pressure |
| LPC | low-pressure compressor |
| LPT | low-pressure turbine |
| LRU | line replaceable unit |
| LRW | Laurentides |
| LSAS | longitudinal stability augmentation system |
| LVDT | linear variable differential transducer |
| M | |
| M | Mach number |
| °M | degree(s), magnetic compass |
| m | metre |
| MAC | mean aerodynamic chord |
| MACZFW | mean aerodynamic chord zero fuel weight |
| MANOPS | [ATC] Manual of Operations |
| MAPRC | modified aromatic polyimide resin coating |
| MAR | main avionics rack |
| MB | megabyte |
| M/C | maître de cabine |
| MCDU | multifunction control display unit |
| MCU | Major Crimes Unit |
| MD | McDonnell Douglas |
| MDC | McDonnell Douglas Corporation |
| MDF | main debris field |
| MDL | master data list |
| METAR | aviation routine weather report |
| MFM | Modified Frequency Modulation |
| MHz | megahertz |
| mi. | mile(s) |
| MIDO | Manufacturing Inspection District Office |
| MIL | military [standard] |
| min | minute(s) |
| mJ | millijoule |
| mL | millilitre(s) |
| MM | maintenance manual |
| mm | millimetre(s) |
| MO | Modification Order |
| MOC | Military Operations Centre |
| MOE | maintenance organization exposition |
| MPEG | Motion Pictures Experts Group |
| MPET | metallized polyethylene terephthalate |
| MPVF | metallized polyvinyl fluoride |
| MRB | Maintenance Review Board |
| ms | milliseconds |
| MSC | miscellaneous system controller |
| MSEP | Marine Safety and Environmental Protection |
| msl | mean sea level |
| MTEB | management terminal electronic box |
| MTOW | maximum take-off weight |
| MU | management unit |
| mV | millivolt |
| MVD | management video display |
| MW | megawatt |
| N | |
| N/A | not applicable |
| N/C | no change |
| N1 | rotational speed of the low-pressure compressor in rpm or % rpm |
| N1c2 | corrected low-pressure rotor speed (derived from Tt2) |
| N2 | rotational speed of the high-pressure compressor in rpm or % rpm |
| N2c2 | corrected high-pressure rotor speed (derived from Tt2) |
| NARDS | Nav Canada Auxilliary Radar Display System |
| NAV | navigation |
| NAVAID | navigational aid |
| NCD | no computed data |
| ND | navigation display |
| NDB | non-directional [radio] beacon |
| NDU | no data update |
| NFPA | National Fire Protection Association |
| nm | nautical mile(s) |
| NORDO | no radio (absence or failure of radio equipment) |
| NPR | National Program Review |
| NPRM | Notice of Proposed Rulemaking |
| NRMP | non-reversible motor pump |
| NS TPW | Nova Scotia Department of Transportation and Public Works |
| NSU | network switching unit |
| NTO | no technical objection |
| NTSB | National Transportation Safety Board (USA) |
| NVM | non-volatile memory |
| NWS | National Weather Service |
| O | |
| OCME | Office of the Chief Medical Examiner |
| OCR | optical character recognition |
| OD | outside diameter |
| ODA | Organizational Designation Authorization |
| OIG | Office of the Inspector General (USA) |
| oz | ounce(s) |
| P | |
| P/B | push button |
| PA | passenger address |
| Pamb | pressure, ambient |
| PBE | protective breathing equipment |
| PBR | planning based on re-clearance |
| PET | polyethylene terephthalate |
| PF | pilot flying |
| PFD | primary flight display |
| PIC | pilot-in-command |
| PIREP | pilot report (of in-flight conditions) |
| PMA | Parts Manufacturing Approval |
| PMA | permanent magnet alternator |
| PN | part number |
| PNF | pilot not flying |
| PSEU | proximity sensor electronic unit |
| psi | pounds per square inch |
| psia | pounds per square inch absolute [pressure] |
| psig | pounds per square inch gauge |
| PSU | power supply unit |
| Pt2 | fan inlet total pressure |
| Pt4.95 | total pressure at station 4.95 (exhaust) |
| PTFE | polytetrafluoroethylene |
| PTT | push-to-talk |
| PVC | polyvinyl chloride |
| PVF | polyvinyl fluoride |
| PVF2 | polyvinylidene fluoride |
| PWGSC | Public Works and Government Services Canada |
| Q | |
| QA | quality assurance |
| QAR | quick access recorder |
| QN | Queen of the Netherlands (name of dredge ship) |
| QNH | altimeter setting that references the indicated altitude to sea level |
| R | |
| R&D | research and development |
| RA | radio altimeter |
| RAM | random access memory |
| RCC | Rescue Co-ordination Centre |
| RCCB | remote control circuit breaker |
| RCMP | Royal Canadian Mounted Police |
| RF | radio frequency |
| RGS | remote ground station |
| RMP | reversible motor pump |
| ROV | remotely operated vehicle |
| rpm | revolutions per minute |
| RPT | Radiant Panel Test |
| RTCA | Radio Technical Commission for Aeronautics |
| S | |
| s | second(s) |
| SAE | Society of Automotive Engineers |
| SAI | standby attitude indicator |
| SAR | search and rescue |
| SARP | International Standards and Recommended Practices |
| SATCOM | satellite communications |
| SB | Service Bulletin |
| SBA | Santa Barbara Aerospace |
| SCN | Specification Change Notice |
| SCP | system control panel |
| SCR | Special Certification Review |
| SCU | supplemental control unit |
| SD | system display |
| SDCP | system display control panel |
| SDR | Service Difficulty Report |
| SDU | satellite data unit |
| SDU | seat disconnect unit (in discussion of IFEN system) |
| SEB | seat electronic box |
| SFAR | Special Federal Aviation Regulation (USA) |
| SGC | Site Group Chairperson |
| SID | standard instrument departure |
| SIGMET | significant meteorological information |
| SITA | Société Internationale de Télécommunications Aéronautiques (Airline Telecommunication and Information Services) |
| SL | Service Letter |
| sm | statute mile(s) |
| SN | serial number |
| SPOT | satellite pour l'observation de la terre |
| SR 111 | Swissair Flight 111 |
| SRM | Structural Repair Manual |
| SSS | side scan sonar |
| STA | manufacturing station |
| STAR | standard terminal arrival route |
| STC | Supplemental Type Certificate |
| SVA | stator vane actuator |
| SWR | Swiss Air Transport Company Ltd. (ATC designation) |
| T | |
| °T | degree(s), True |
| t | tonne |
| TAF | terminal aerodrome forecast |
| TAS | true airspeed |
| TAT | total air temperature |
| TBD | to be determined |
| TC | Transport Canada |
| TCA | terminal control area |
| TCAS | traffic alert and collision-avoidance system |
| TCJC | temperature, cold junction, Celsius |
| TEC | turbine exhaust case |
| TED | trailing edge down |
| TEL | trailing edge left |
| TEM | transmission electron microscopy |
| TER | trailing edge right |
| TEU | trailing edge up |
| TO | Technical Order |
| torr | Torricelli, a non-metric unit of pressure equal to 1/760 atmosphere |
| TOW | take-off weight |
| TR | transformer rectifier |
| TRA | throttle resolver angle |
| TSB | Transportation Safety Board of Canada |
| TSO | Technical Standard Order |
| Tt2 | total temperature of the air at Station 2 (compressor inlet) |
| Tt4.95 | total temperature at Station 4.95 (exhaust) |
| TWA | Trans World Airlines |
| U | |
| U/S | unserviceable |
| UL | Underwriter's Laboratory |
| ULB | underwater locator beacon |
| URT | Underwater Recovery Team |
| US | United States |
| USA | United States of America |
| USN | United States Navy |
| USS | United States Ship |
| UTC | Coordinated Universal Time |
| V | |
| V | volt(s) |
| VA | volt-ampere |
| VES | video entertainment system |
| VHF | very high frequency |
| VMC | visual meteorological conditions |
| Vmin | FMC-calculated minimum operating speed |
| VOD | video on demand |
| VOR | very high-frequency omni-directional range [beacon] |
| VSV | variable stator vane |
| VTR | video tape recorder |
| VTU | verbal thought unit |
| W | |
| W | watt |
| WAN | wide area network |
| WDM | Wiring Diagram Manual |
| WS | Work Statement |
| X | |
| XL-ETFE | cross-linked ethylene-tetrafluoroethylene |
| Z | |
| Z | Zulu [time] (equivalent to UTC) |
| ZFW | zero fuel weight |
| Symbols | |
| Å | Angstrom |
| l | lambda (wavelength) |
| µm | micrometre(s) |
| ø | phase |
| p | pi (3.1416) |
| ' | minute(s) |
| " | second(s) |
| ° | degree(s) |
- Date modified :
- 2012-07-27
- Date modified: