A
- Code
-
Meaning
Language
Themes and places
- ABOMP
-
American Board of Oral and Maxillofacial Pathology (www.abomp.org)
- ABOMR
-
American Board of Oral and Maxillofacial Radiology (www.aaomr.org)
- ABOMS
-
American Board of Oral and Maxillofacial Surgery (www.aboms.org)
- ABONG
-
Associação Brasileira de Organizações não Governamentais (www.abong.org.br)
- ABOP
-
American Board of Orofacial Pain (www.abop.net)
- ABOS
-
American Board of Orthopaedic Surgery (www.abos.org)
- ABOto
-
American Board of Otolaryngology (www.aboto.org)
- ABP
-
American Board of Pathology (www.abpath.org)
- ABP
-
American Board of Pediatrics
- ABP
-
American Board of Periodontology (https://www.abperio.org/)
- ABP
-
American Board of Prosthodontics (https://www.abpros.org/)
- ABP
-
Association Belgo-Palestinienne
- ABPI
-
Association of the British Pharmaceutical Industry (https://www.abpi.org.uk)
- ABPM
-
American Board of Preventive Medicine (www.abprevmed.org)
- ABPMR
-
American Board of Physical Medicine and Rehabilitation (www.abpmr.org)
- ABPN
-
American Board of Psychiatry and Neurology (www.abpn.com)
- ABPNS
-
American Board of Pediatric Neurological Surgery (www.abpns.org)
- ABPP
-
American Board of Professional Psychology (www.abpp.org)
- ABPS
-
Air-Breathing Propulsion System
- ABPS
-
Association des Banquiers Privés Suisses (www.swissprivatebankers.com)
= VSPB | Vereinigung Schweizerischer Privatbankiers | In German
- ABPS
-
American Board of Plastic Surgery
- ABPol
-
Associação Brasileira de Polímeros (www.abpol.com.br)
- ABPsi
-
Association of Black Psychologists
- ABQAURP
-
American Board of Quality Assurance and Utilization Review Physicians (https://www.abqaurp.org/)
The abbreviation ABQAURP (American Board of Quality Assurance and Utilization Review Physicians) includes the abbreviation QA (Quality Assurance).
- ABR
-
American Board of Radiology (http://theabr.org)
- ABRACE
-
Associação Brasileira de Grandes Consumidores Industriais de Energia e de Consumidores Livres (www.abrace.org.br)
- ABRADEE
-
Associação Brasileira dos Distribuidores de Energia Elétrica (www.abradee.org.br)
- ABRAFATI
-
Associação Brasileira dos Fabricantes de Tintas (www.abrafati.com.br)
- ABRALATAS
-
Associação Brasileira dos Fabricantes de Latas de Alta Reciclabilidade (www.abralatas.org.br)
- ABRASCE
-
Associação Brasileira de Shopping Centers
- ABRAT
-
Advances in Behaviour Research and Therapy
- ABRAVEST
-
Associação Brasileira da Vestuário (www.abravest.org.br)
- ABRE
-
Associação Brasileira de Embalagens (www.abre.org.br)
- ABRE
-
Associação Brasileira de Embalagem (www.abre.org.br)
- ABRES
-
Antiballistic Reentry System
- ABRET
-
Association Bretonne pour la Recherche et la Technologie
- ABRF
-
Association of Biomolecular Resource Facilities
- ABRIXAS
-
Broadband Imaging X-ray All-sky Survey
- ABS
-
Air-Break Switch
- ABS
-
Ammonia Boiler System
- ABS
-
American Back Society (www.americanbacksoc.org)
- ABS
-
American Behavioral Scientist (http://abs.sagepub.com)
- ABS
-
American Board of Sexology
- ABS
-
American Board of Surgery (www.absurgery.org)
- ABS
-
American Brachytherapy Society (www.americanbrachytherapy.org)
- ABS
-
Australian Bureau of Statistics (www.abs.gov.au)
- ABS
-
Acrylonitrile Butadiene Styrene
- ABS
-
Animal Behavior Society (www.animalbehavior.org)
- ABS
-
Algemene Bathmense Sportvereniging
- ABS-PBS
-
Anti-lock Brake System-Power Brake System
- ABSA
-
American Biological Safety Association (https://absa.org/)
- ABSA
-
Action à Bon de Souscription d'Action
- ABSBe
-
Astronomische Beobachtungen auf der Königlichen Sternwarte zu Berlin
- ABSC
-
Association des Bibliothèques de la Santé du Canada
= CHLA | Canadian Health Libraries Association | In English
= MNCP | Mouvement National des Chômeurs et Précaires | In French
= EBD | École de Bibliothécaires Documentalistes | In French - ABSE
-
Association Burkinabé pour la Survie de l’Enfance
- ABSM
-
Association des Bibliothèques de la Santé des Maritimes
= MHLA | Maritimes Health Libraries Association | In English
- ABSN
-
Accelerated Bachelor of Science in Nursing
- ABSNM
-
American Board of Science in Nuclear Medicine (www.snm.org/absnm/)
- ABT
-
Air-Bearing Table
- ABTA
-
American Brain Tumor Association (https://www.abta.org/)
- ABTCP
-
Associação Brasileira Técnica de Celulose e Papel (www.abtcp.org.br)
- ABTCU
-
Active Baseplate Thermal Control Unit
The abbreviation ABTCU (Active Baseplate Thermal Control Unit) includes the abbreviation TC (Thermal Control).
- ABTL
-
Association Belge des Technologues de Laboratoire
- ABTP
-
American Board of Transcultural Psychiatry
- ABTS
-
American Board of Thoracic Surgery (www.abts.org)
- ABU
-
Aozadur ar Broioù Unanet
- ABU
-
Aozadur ar Broadoù Unanet (https://www.un.org/)
= UN | Unuiĝintaj Nacioj | In Esperanto
= ONU | Organisation des Nations Unies | In French
= ONU | Organizazión d'as Nazions Unitas | In Aragonese
= ААН | Арганіза́цыя Аб'ядна́ных На́цый | In Belarusian
= VN | Verenigde Nasies | In Afrikaans
= ONU | Organización de les Naciones Uníes | In Asturian
= OOH | Организацията на обединените нации | In Bulgarian
= OSN | Organizace Spojených Národů | In Czech
= ПНО | Пĕрлешнĕ Нацисен Организацийĕ | In Chuvash
= ՄԱԿ | Միավորված Ազգերի Կազմակերպություն | In Armenian
= FN | Feriene Naasjes | In Frisian
= UN | United Nations | In English
= NBE | Nazio Batuen Erakundea | In Basque
= ONU | Organizacion de las Nacions Unidas | In Occitan
= UN | Unuiĝinta Naciaro | In Esperanto
= UN | Ujedinjeni Narodi | In Bosnian
= CN | Consociatio Nationum | In Latin
= FN | Forenede Nationer | In Danish
= UN | Unionita Nacioni | In Ido
= ONU | Organizzazione delle Nazioni Unite | In Italian
= KU | Kenedhlow Unys | In Cornish
= ONU | Organització de les Nacions Unides | In Catalan
= ΟΗΕ | Οργανισμός Ηνωμένων Εθνών | In Greek
= ΗΕ | Ηνωμένα Έθνη | In Greek
= ONU | Organización de las Naciones Unidas | In Spanish
= VN | Vereinte Nationen | In German
= VN | Verenigde Naties | In Dutch
= VN | Vereent Natiounen | In Letzeburgesh
= ООН | Организация Oбъединённых Hаций | In Russian
= ONU | Organisacion des Nacions Unies | In Franco-Provençal
= ONZ | Organizacja Narodów Zjednoczonych | In Polish
= BMT | Birlashgan Millatlar Tashkiloti | In Uzbek
= ООН | Організація Об'єднаних Націй | In Ukrainian
= BM | Birleşmiş Milletler | In Turkish
= LHiQ | Liên Hiệp Quốc | In Vietnamese
= OKB | Organizata e Kombeve të Bashkuara | In Albanian
= OSN | Organizácia Spojených národov | In Slovak
= OZN | Organizacija Združenih Narodov | In Slovenian
= УН | Уједињене нације | In Serbian
= FN | Förenta nationerna | In Swedish
= UM | Umoja wa Mataifa | In Swahili
= NU | Nazzioni Uniti | In Sicilian
= ONU | Organizaţia Naţiunilor Unite | In Romanian
= ONU | Organização das Nações Unidas | In Portuguese
= VN | Vereenten Natschonen | In Low German
= ST | Sameindu Tjóðir | In Faroese
= HN | Huñusqa Nasyunkuna | In Quechuan languages
= PBB | Pertubuhan Bangsa-bangsa Bersatu | In Malay
= NA | Na Náisiúin Aontaithe | In Irish
= NY | Neteweyên Yekbûyî | In Kurdish
= ÜRO | Ühinenud Rahvaste Organisatsioon | In Estonian
= SÞ | Sameinuðu þjóðanna | In Icelandic
= ЕМрО | Еидгылоу Амилаҭқәа Рорганизациа | In Abkhazian
= ДЛО | Дунэе Лъэпкъ Организацие | In Adyghe
= የተ.መ.ድ. | የተባበሩት መንግሥታት ድርጅት | In Amharic
= ЦМГІ | Цолъарал Миллатазул ГІуцІи | In Avar
= BMT | Birləşmiş Millətlər Təşkilatı | In Azerbaijani
= VN | Vaoantn Nationa | In Austro-Bavarian
= JTO | Jongtėniu Tautū Uorganėzacėjė | SGS
= БМО | Берләшкән Милләттәр Ойошмаһы | In Bashkir
= НҮБ | Нэгэдэһэн Үндэһэтэнэй Байгуулга | BXR
= BM | Birleşken Milletler | In Crimean Tatar
= CU | Cenhedloedd Unedig | In Welsh
= ONU | Organización las Nacionis Unías | In Extremaduran
= އ.ދ | އެކުވެރި ދައުލަތްތައް | In Dhivehi
= ÜRO | Ütistünüisi Rahvidõ Organisatsiuun | VRO
= ÜR | Ütistünüq Rahvaq | VRO
= YK | Yhdistyneet kansakunnat | In Finnish
= ONU | Organizazion des Nazions Unidis | In Friulian
= ONI | Organizasyon di sé Nasyonzini | In French Guianese Creole
= ONU | Organización das Nacións Unidas | In Galician
= AU | Ny h-Ashoonyn Unnaneysit | In Manx
= UN | United Nations | In Fiji Hindi
= UN | Ujedinjeni narodi | In Croatian
= ENSZ | Egyesült Nemzetek Szervezete | In Hungarian
= ՄԱԿ | Միաւորուած Ազգերու Կազմակերպութիւն | In Western Armenian
= ONU | Organisation del Nationes Unite | In Interlingua
= PBB | Perserikatan Bangsa-Bangsa | In Indonesian
= OUN | Organisation del Unit Nationes | In Interlingue
= PBB | Pasarékatan Bangsa-Bangsa | In Javanese
= BMSh | Birlesken Milletler Shólkemi | In Karakalpak
= გაერო | გაერთიანებული ერების ორგანიზაცია | In Georgian
= ЛъЗ | Лъэпкъ Зэгуэтхэр | In Kabardian
= БМО | Бирлешген Миллетлени Организациясы | In Karachay-Balkar
= ӦВК | Ӧтувтчӧм Войтыръяслӧн Котыр | In Komi
= БУУ | Бириккен Улуттар Уюму | In Kirghiz
= СМТ | Садхьанвай миллетрин тешкилат | LEZ
= NU | Nasiones Unida | In Lingua Franca Nova
= VN | Verenigde Naties | In Limburgish
= ÜNU | Urganizaziun di Naziun Ünii | In Lombard
= LIBIMO | Lisangá lya Bikólo bya Mokili mobimba | In Lingala
= LBM | Lisangá lya Bikólo bya Molɔ́ngɔ́ | In Lingala
= JTO | Jungtinių Tautų Organizacija | In Lithuanian
= ANO | Apvienoto Nāciju Organizācija | In Latvian
= PBB | Pasarékatan Bangsa-Bangsa | BMS
= FM | Firenena Mikambana | MLG
= ИНО | Иктыш ушнышо Наций-влак Организаций | MHR
= PBB | Pasarikatan Banso-Banso | MIN
= ООН | Организација на обединетите нации | In Macedonian
= НҮБ | Нэгдсэн Үндэстний Байгууллага | In Mongolian
= संरा | संयुक्त राष्ट्रे | In Marathi
= SN | Dei sameinte nasjonane | In Nynorsk
= FN | De forente nasjoner | In Norwegian
= ߡ.ߟ.ߛ | ߡߊ߲߬ߕߏ߲ ߘߍ߬ߣߍ߲ ߛߌ߲߬ߝߏ߲߬ߧߊ߬ߟߌ | NQO
= ONE | Organisatioun des Natiouns Eunies | In Norman
= ИНО | Иугонд Нациты Организаци | In Ossetian
= HA | Huñusqa Aylluskakuna | In Quechuan languages
= ONU | Organisassion dle Nassion Unìe | In Piedmontese
= ONU | Organisaziun da las Naziuns unidas | In Romansh
= ОЗН | Орґанізація Зъєдиненых Націй | RUE
= ХНТ | Холбоһуктаах Нациялар Тэрилтэлэрэ | In Yakut
= UNO | Unitit Naitions Organisation | In Scots
= UN | Unitit Naitions | In Scots
= ON | Ovttastuvvan Našuvnnat | In Northern Sami
= MNP | Mubatanidzwa weNyika Pasirose | SNA
= QM | Qaramada Midoobay | In Somali
= OKB | Organizata e Kombeve të Bashkuara | In Albanian
= PBB | Perserikatan Bangsa-Bangsa | In Sundanese
= СММ | Созмони Милали Муттаҳид | In Tajik
= BMG | Birleşen Milletler Guramasy | In Turkmen
= БМО | Берләшкән Милләтләр Оешмасы | In Tatar
= ОНО | Огазеяськем Нациослэн Организацизы | UDM
= ONU | Organixasion dełe Nasion Unìe | In Venetian
= ÜRO | Ühtenzoittud Rahvahiden Organizacii | In Veps
= ÜRK | Ühthižrahvazkundad | In Veps
= ÜN | Ühtištetad Nacijad | In Veps
= NNP | Nogan Netas Pebalöl | In Volapük
= ONU | Organizåcion des Nåcions Uneyes | In Walloon
= KMX | Kureelu Mbootayu Xeet yi | In Wolof
= AOA | Àgbájọ àwọn Orílẹ̀-èdè Aṣòkan | In Yoruba - ABUL
-
Association Bordelaise des Utilisateurs de Logiciels libres
- ABUL
-
Association Berrichonne d'Ultra Légers (http://abul.asso.fr)
- ABV
-
Autorité du Bassin de la Volta
- ABVT
-
American Board of Veterinary Toxicology (https://www.abvt.org/)
- ABVV
-
Algemeen Belgisch Vakverbond
- ABW
-
Agencja Bezpieczeństwa Wewnętrznego (www.abw.gov.pl)
- ABWAK
-
Association of British Wild Animal Keepers (https://abwak.org)
- ABWR
-
Advanced Boiling Water Reactor
- AC
-
Alternating Current
The abbreviation AC (Alternating Current) is included in abbreviations such as ACS (Alternating Current Synchronous) and ACSU (Alternating Current Switching Unit).
- AC
-
Atlas Centaur
- AC
-
Advanced Composite
- AC
-
Aerodynamic Center
- AC
-
Application Controller
- AC
-
Assembly Complete
- AC
-
Audio Center
The abbreviation AC (Audio Center) is included in the abbreviation ACT (Audio Center Transmission).
- AC
-
Auxiliary Computer
- AC
-
Administration Centrale
The abbreviation AC (Administration Centrale) is included in abbreviations such as AAC (Attaché d’Administration Centrale), APAC (Attaché Principal d’Administration Centrale), BAIAC (Bureau des Affaires Immobilières de l’Administration Centrale) and SAAC (Secrétaire Administratif d’Administration Centrale).
- AC
-
Apostolic Carmel
- AC
-
Akademikernes Centralorganisation (www.ac.dk)
- AC
-
Algemene Centrale
The abbreviation AC (Algemene Centrale) is included in abbreviations such as ACLVB (Algemene Centrale der Liberale Vakbonden) and ACOD (Algemene Centrale der Openbare Diensten).
- AC
-
Admission Control
- AC
-
Agent Comptable
- AC
-
Autorité de Contrôle
The abbreviation AC (Autorité de Contrôle) is included in the abbreviation ACNUSA (Autorité de Contrôle des Nuisances Aériennes).
- AC
-
Autonomie Complète
- AC3L
-
Association Camerounaise des utilisateurs de Linux et des Logiciels Libres
- ACA
-
American Culture Association
- ACA
-
Altitude Controller Assembly
- ACA
-
Annunciator Control Assembly
- ACA
-
Associate Contractor Administration
- ACA
-
Attitude Controller Assembly
- ACA
-
Association Coopération et Aménagement
- ACA
-
Agents Conversationnels Animés
- ACA
-
Action et Communication Administratives
- ACA
-
Algorithmique, Combinatoire et Applications
- ACABIT
-
Automatic Corpus-based Acquisition of Binary Terms
- ACACIA
-
Acquisition des Connaissances pour l'Assistance à la Conception par Interaction entre Agents
- ACAD
-
Association Carrefour du Développement
- ACADRE
-
Aboriginal Capacity and Developmental Research Environments
- ACAH
-
Antichar à Action Horizontale
- ACAHF
-
Australian Companion Animal Health Foundation
- ACAM
-
Association des Journalistes des Activités de la Maison
- ACAMH
-
Association Child and Adolescent Mental Health
- ACAP
-
Advanced Computer Airframe Program
- ACAP
-
Automated Content Access Protocol
- ACAP
-
Association Canadienne d'Accès à l’information et de la Protection des renseignements personnels (www.capa.ca)
= CAPA | Canadian Access and Privacy Association | In English
- ACAP
-
Association Canadienne de Conservation Aéronautique (www.capa-acca.com)
= CAPA | Canadian Aeronautical Preservation Association | In English
- ACARE
-
Advisory Council for Aeronautics Research in Europe (www.acare4europe.com)
- ACARU
-
Association Canadienne d'Administrateurs de Recherche Universitaire
= CAURA | Canadian Association of University Research Administrators | In English
- ACAS
-
Airborne Collision Avoidance System
- ACAST
-
Association Contre les Aéroports du Sud Toulousain
- ACAT
-
Artifact Centric Activity Theory
- ACAV
-
Associazione Centro Aiuti Volontari Cooperazione Sviluppo Terzo Mondo
- ACB
-
Air-Cushion Barge
- ACB
-
Austrian Convention Bureaus (www.acb.at)
- ACB
-
Association des Conservateurs de Bibliothèques
- ACBD
-
Association Canadienne des Bibliothèques de Droit (https://www.callacbd.ca/)
= CALL | Canadian Association of Law Libraries | In English
- ACBD
-
Association des Critiques et des Journalistes de Bande Dessinée
The abbreviation ACBD (Association des Critiques et des Journalistes de Bande Dessinée) includes the abbreviation BD (Bande Dessinée).
- ACC
-
Adaptive Cruise Control
- ACC
-
Advanced Carbon-Carbon
- ACC
-
Aft Cargo Compartment
- ACC
-
Automatic Control Console
- ACC
-
Auxiliary Crew Compartment
The abbreviation ACC (Auxiliary Crew Compartment) includes the abbreviation CC (Crew Compartment).
- ACC
-
Acceding and Candidate Countries
- ACC
-
Automatic Cruise Control
- ACC
-
Action et Communication Commerciales
- ACC
-
Association sur les cavernomes cérébraux
- ACC
-
Administrative Committee on Coordination
= CAC | Comité Administrativo de Coordinación | In Spanish
= CAC | Comité Administratif de Coordination | In French
= CAC | Comitê Administrativo de Coordenação | In Portuguese - ACC
-
Architecture Comptable Cible
- ACC-SV
-
Actions Concertées Coordonnées en Sciences du Vivant
- ACCA
-
Association Communale de Chasse Agréée
- ACCCT
-
Agence Comptable des Créances Contentieuses du Trésor
- ACCE
-
Augmented Continuous Control Evaluator
The abbreviation ACCE (Augmented Continuous Control Evaluator) includes the abbreviation CCE (Continuous Control Evaluator).
- ACCE
-
Association des Conseils en Commerce Électronique
- ACCE
-
Association des Conseils en Communication Électronique
- ACCES
-
ACCession à l'Énergie et aux Services
- ACCESS
-
Assembly Concept for Construction of Erectable Space Structure
- ACCI
-
Athens Chamber of Commerce and Industry
= ΕΒΕΑ | Εμπορικό και Βιομηχανικό Επιμελητήριο Αθηνών | In Greek
- ACCI
-
Afghanistan Chamber of Commerce and Industries (http://www.acci.org.af/)
- ACCI
-
Aquitaine Contrôle et Conseil en Infiltrométrie
- ACCI
-
Adventive Cross Cultural Initiatives
- ACCI
-
Ape Cognition and Conservation Initiative (http://apeinitiative.org/)
- ACCI
-
Association Culturelle et Cultuelle Israélite
The abbreviation ACCI (Association Culturelle et Cultuelle Israélite) is included in the abbreviation ACCIB (Association Culturelle et Cultuelle Israélite de Blois).
- ACCI
-
Association de Cavalières et Cavaliers Indépendants
- ACCIB
-
Association Culturelle et Cultuelle Israélite de Blois
The abbreviation ACCIB (Association Culturelle et Cultuelle Israélite de Blois) includes the abbreviation ACCI (Association Culturelle et Cultuelle Israélite).
- ACCII
-
Association Cultuelle et Culturelle Israélite Isséenne
- ACCM
-
Austrian Center of Competences in Mechatronics (www.accm.co.at)
- ACCN
-
Audit Central Control Network
- ACCP
-
American College of Clinical Pharmacy (www.accp.com)
- ACCP
-
Alliance for Cervical Cancer Prevention
- ACCP
-
(Les) Amants du Chocolat de la Couronne Parisienne (www.amants-du-chocolat.net)
- ACCP
-
(The) Army Correspondence Course Program (www.atsc.army.mil/accp/)
- ACCP
-
Association de Collectionneurs de Carnets de timbres et de Publicitimbres (www.accp-asso.com)
- ACCR
-
Association des Centres Culturels de Rencontre
- ACCR
-
American Chiropractic College of Radiology
- ACCRI
-
Associazione di Cooperazione Cristiana Internazionale
- ACCS
-
Adaptive Communication Control Subsystem
- ACCSQ
-
ASEAN Consultative Committee for Standards and Quality
- ACCSV
-
Asian Community Center of Sacramento Valley
- ACCT
-
Agence de Coopération Culturelle et Technique
- ACCT
-
Agence Comptable Centrale du Trésor
- ACCU
-
Audio Central Control Unit
- ACCeS
-
Association des Chaînes du Câble et du Satellite (https://www.acces.tv/)
- ACCeS
-
Association des Chaînes Conventionnées éditrices de Services (https://www.acces.tv/)
- ACD
-
Accuracy Control Document
- ACD
-
Anti-Carryover Device
- ACD
-
Architectural Control Document
- ACD
-
Automatic Call Distributor
- ACDC
-
Architecture Cible de la Dissociation Comptable
- ACDI
-
Agence Canadienne de Développement International
= CIDA | Canadian International Development Agency | In English
- ACDN
-
Action des Citoyens pour le Désarmement Nucléaire
- ACDNS
-
Attitude Control, Determination & Navigation
- ACDS
-
Attitude Control and Determination System
- ACE
-
Association Charentaise pour l'Espéranto
- ACE
-
Action Communautaire pour l'Environnement
- ACE
-
Advisory Committee on the Environment
- ACE
-
Acceptance Checkout Equipment
- ACE
-
Attitude Control Electronics
- ACE
-
Automatic Checkout Equipment
The abbreviation ACE (Automatic Checkout Equipment) is included in the abbreviation ACES (Automatic Checkout Equipment Sequencer).
- ACE
-
Angiotensin Converting Enzyme
- ACE
-
Asean Centre for Energy
- ACE
-
Association for the Conservation of Energy (www.ukace.org)
- ACE
-
Association des Cinémathèques Européennes (www.acefilm.de)
- ACE
-
American Cinema Editors (www.ace-filmeditors.org)
- ACE
-
Academic Challenge and Enrichment Program
- ACE
-
Aerosol Characterization Experiments
- ACE
-
Access Control Entry
- ACEA
-
Association Canadienne des Études Asiatiques
- ACEC
-
Associazione Cattolica Esercenti Cinema (www.acec.it)
- ACEC
-
American Council of Engineering Companies
- ACEDLE
-
Association des Chercheurs Et Didacticiens des Langues Étrangères (http://acedle.u-strasbg.fr)
- ACEI
-
Association for Childhood Education International
- ACEIR
-
Asociaţia Cenzorilor Externi Independenţi din România
- ACEL
-
Air Crew Equipment Laboratory