TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
DISTANCIA ATERRIZAJE DISPONIBLE [4 records]
Record 1 - internal organization data 2024-02-06
Record 1, English
Record 1, Subject field(s)
- Airfields
- Airport Runways and Areas
- Aircraft Piloting and Navigation
Record 1, Main entry term, English
- landing distance available (helicopter)
1, record 1, English, landing%20distance%20available%20%28helicopter%29
correct, officially approved
Record 1, Abbreviations, English
- LDAH 2, record 1, English, LDAH
correct, officially approved
Record 1, Synonyms, English
- landing distance available, helicopter 3, record 1, English, landing%20distance%20available%2C%20helicopter
correct
- LDAH 3, record 1, English, LDAH
correct
- LDAH 3, record 1, English, LDAH
- landing distance available 4, record 1, English, landing%20distance%20available
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The length of the final approach and take-off area plus any additional area declared available and suitable for helicopters to complete the landing manoeuvre from a defined height. 5, record 1, English, - landing%20distance%20available%20%28helicopter%29
Record number: 1, Textual support number: 1 OBS
landing distance available (helicopter); LDAH: designations and definition officially approved by the International Civil Aviation Organization (ICAO). 6, record 1, English, - landing%20distance%20available%20%28helicopter%29
Record 1, French
Record 1, Domaine(s)
- Aérodromes
- Pistes et aires d'aéroport
- Pilotage et navigation aérienne
Record 1, Main entry term, French
- distance utilisable à l'atterrissage (hélicoptère)
1, record 1, French, distance%20utilisable%20%C3%A0%20l%27atterrissage%20%28h%C3%A9licopt%C3%A8re%29
correct, feminine noun, officially approved
Record 1, Abbreviations, French
- LDAH 2, record 1, French, LDAH
correct, feminine noun, officially approved
Record 1, Synonyms, French
- distance utilisable à l'atterrissage 3, record 1, French, distance%20utilisable%20%C3%A0%20l%27atterrissage
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Longueur de l'aire d'approche finale et de décollage, augmentée de la longueur de toute aire supplémentaire, déclarée utilisable et permettant aux hélicoptères de mener à bien la manœuvre d'atterrissage à partir d'une hauteur définie. 4, record 1, French, - distance%20utilisable%20%C3%A0%20l%27atterrissage%20%28h%C3%A9licopt%C3%A8re%29
Record number: 1, Textual support number: 1 OBS
distance utilisable à l'atterrissage (hélicoptère); LDAH : désignations et définition uniformisés par l'Organisation de l'aviation civile internationale (OACI). 5, record 1, French, - distance%20utilisable%20%C3%A0%20l%27atterrissage%20%28h%C3%A9licopt%C3%A8re%29
Record 1, Key term(s)
- distance utilisable à l'atterrissage, hélicoptère
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Aeródromos
- Pistas y áreas del aeropuerto
- Pilotaje y navegación aérea
Record 1, Main entry term, Spanish
- distancia de aterrizaje disponible
1, record 1, Spanish, distancia%20de%20aterrizaje%20disponible
correct, feminine noun, officially approved
Record 1, Abbreviations, Spanish
- LDAH 2, record 1, Spanish, LDAH
correct, feminine noun, officially approved
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Longitud del área de aproximación final y de despegue más cualquier área adicional que se ha declarado disponible y adecuada para que los helicópteros completen la maniobra de aterrizaje a partir de una determinada altura. 2, record 1, Spanish, - distancia%20de%20aterrizaje%20disponible
Record number: 1, Textual support number: 1 OBS
distancia de aterrizaje disponible; LDAH : término, abreviatura y definición aceptados oficialmente por la Organización de Aviación Civil Internacional(OACI). 3, record 1, Spanish, - distancia%20de%20aterrizaje%20disponible
Record 2 - internal organization data 2017-10-17
Record 2, English
Record 2, Subject field(s)
- Air Transport
Record 2, Main entry term, English
- declared distances - heliports
1, record 2, English, declared%20distances%20%2D%20heliports
correct, plural, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
a) Take-off distance available (TODAH). The length of the final approach and take-off area plus the length of helicopter clearway (if provided) declared available and suitable for helicopters to complete the take-off. b) Rejected take-off distance available (RTODAH). The length of the final approach and take-off area declared available and suitable for performance class 1 helicopters to complete a rejected take-off. c) Landing distance available (LDAH). The length of the final approach and take-off area plus any additional area declared available and suitable for helicopters to complete the landing manoeuvre from a defined height. 1, record 2, English, - declared%20distances%20%2D%20heliports
Record number: 2, Textual support number: 2 OBS
declared distances - heliports: term officially approved by the International Civil Aviation Organization (ICAO). 2, record 2, English, - declared%20distances%20%2D%20heliports
Record 2, Key term(s)
- declared distance - heliport
Record 2, French
Record 2, Domaine(s)
- Transport aérien
Record 2, Main entry term, French
- distances déclarées - hélistations
1, record 2, French, distances%20d%C3%A9clar%C3%A9es%20%2D%20h%C3%A9listations
correct, feminine noun, plural, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
a) Distance utilisable au décollage (TODAH). Longueur de l'aire d'approche finale et de décollage, augmentée de la longueur du prolongement dégagé pour hélicoptères, s'il y en a un, déclarée utilisable et permettant aux hélicoptères de mener à bien le décollage. b) Distance utilisable pour le décollage interrompu (RTODAH). Longueur de l'aire d'approche finale et de décollage déclarée utilisable et permettant aux hélicoptères de classe de performances 1 de mener à bien un décollage interrompu. c) Distance utilisable à l'atterrissage (LDAH). Longueur de l'aire d'approche finale et de décollage, augmentée de la longueur de toute aire supplémentaire, déclarée utilisable et permettant aux hélicoptères de mener à bien la manœuvre d'atterrissage à partir d'une hauteur définie. 1, record 2, French, - distances%20d%C3%A9clar%C3%A9es%20%2D%20h%C3%A9listations
Record number: 2, Textual support number: 2 OBS
distances déclarées - hélistations : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI). 2, record 2, French, - distances%20d%C3%A9clar%C3%A9es%20%2D%20h%C3%A9listations
Record 2, Key term(s)
- distance déclarée - hélistation
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Transporte aéreo
Record 2, Main entry term, Spanish
- distancias declaradas - helipuertos
1, record 2, Spanish, distancias%20declaradas%20%2D%20helipuertos
correct, feminine noun, plural, officially approved
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 OBS
a) Distancia de despegue disponible(TODAH). La longitud del área de aproximación final y de despegue más la longitud de la zona libre de obstáculos para helicópteros(si existiera), que se ha declarado disponible y adecuada para que los helicópteros completen el despegue. b) Distancia de despegue interrumpido disponible(RTODAH). La longitud del área de aproximación final y de despegue que se ha declarado disponible y adecuada para que los helicópteros de Clase de performance 1 completen un despegue interrumpido. c) Distancia de aterrizaje disponible(LDAH). La longitud del área de aproximación final y de despegue más cualquier área adicional que se ha declarado disponible y adecuada para que los helicópteros completen la maniobra de aterrizaje a partir de una determinada altura. 1, record 2, Spanish, - distancias%20declaradas%20%2D%20helipuertos
Record number: 2, Textual support number: 2 OBS
distancias declaradas - helipuertos : término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI). 2, record 2, Spanish, - distancias%20declaradas%20%2D%20helipuertos
Record 2, Key term(s)
- distancia declarada - helipuerto
Record 3 - internal organization data 2012-09-05
Record 3, English
Record 3, Subject field(s)
- Airport Runways and Areas
- Aircraft Piloting and Navigation
Record 3, Main entry term, English
- landing distance available
1, record 3, English, landing%20distance%20available
correct, standardized, officially approved
Record 3, Abbreviations, English
- LDA 1, record 3, English, LDA
correct, standardized, officially approved
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
The length of runway which is declared available and suitable for the ground run of an aeroplane landing. [Definition officially approved by ICAO.] 2, record 3, English, - landing%20distance%20available
Record number: 3, Textual support number: 1 OBS
landing distance available; LDA: term and abbreviation standardized by the Glossary for Pilots and Air Traffic Services Personnel Committee and officially approved by the International Civil Aviation Organization (ICAO). 3, record 3, English, - landing%20distance%20available
Record 3, French
Record 3, Domaine(s)
- Pistes et aires d'aéroport
- Pilotage et navigation aérienne
Record 3, Main entry term, French
- distance utilisable à l'atterrissage
1, record 3, French, distance%20utilisable%20%C3%A0%20l%27atterrissage
correct, feminine noun, standardized, officially approved
Record 3, Abbreviations, French
- LDA 2, record 3, French, LDA
correct, feminine noun, officially approved
Record 3, Synonyms, French
- distance d'atterrissage utilisable 3, record 3, French, distance%20d%27atterrissage%20utilisable
correct, feminine noun, standardized, officially approved
- LDA 3, record 3, French, LDA
correct, standardized, officially approved
- LDA 3, record 3, French, LDA
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Longueur de piste déclarée comme étant utilisable et convenant pour le roulement au sol d'un avion à l'atterrissage. [Définition uniformisée par l'OACI.] 2, record 3, French, - distance%20utilisable%20%C3%A0%20l%27atterrissage
Record number: 3, Textual support number: 1 OBS
distance utilisable à l'atterrissage; LDA : terme et abréviation uniformisés par l'Organisation de l'aviation civile internationale (OACI). 4, record 3, French, - distance%20utilisable%20%C3%A0%20l%27atterrissage
Record number: 3, Textual support number: 2 OBS
distance d'atterrissage utilisable; LDA : terme et abréviation uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes. 4, record 3, French, - distance%20utilisable%20%C3%A0%20l%27atterrissage
Record number: 3, Textual support number: 3 OBS
distance utilisable à l'atterrissage; distance d'atterrissage utilisable; LDA : termes et abréviation normalisés par le Comité sur le Glossaire à l'intention des pilotes et du personnel des services de la circulation aérienne. 5, record 3, French, - distance%20utilisable%20%C3%A0%20l%27atterrissage
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Pistas y áreas del aeropuerto
- Pilotaje y navegación aérea
Record 3, Main entry term, Spanish
- distancia de aterrizaje disponible
1, record 3, Spanish, distancia%20de%20aterrizaje%20disponible
correct, feminine noun, officially approved
Record 3, Abbreviations, Spanish
- LDA 1, record 3, Spanish, LDA
correct, feminine noun, officially approved
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Longitud de la pista que se ha declarado disponible y adecuada para el recorrido en tierra de un avión que aterrice. [Definición aceptada oficialmente por la OACI.] 1, record 3, Spanish, - distancia%20de%20aterrizaje%20disponible
Record number: 3, Textual support number: 1 OBS
distancia de aterrizaje disponible; LDA : término y abreviatura aceptados oficialmente por la Organización de Aviación Civil Internacional(OACI). 2, record 3, Spanish, - distancia%20de%20aterrizaje%20disponible
Record 4 - internal organization data 2000-05-26
Record 4, English
Record 4, Subject field(s)
- Air Transport
Record 4, Main entry term, English
- declared distances
1, record 4, English, declared%20distances
correct, plural, officially approved
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
a) Take-off run available (TORA). The length of runway declared available and suitable for the ground run of an aeroplane taking off. b) Take-off distance available (TODA). The length of the take-off run available plus the length of the clearway, if provided. c) Accelerate-stop distance available (ASDA). The length of the take-off run available plus the length of the stopway, if provided. d) Landing distance available (LDA). The length of runway which is declared available and suitable for the ground run of an aeroplane landing. 1, record 4, English, - declared%20distances
Record number: 4, Textual support number: 2 OBS
declared distances: term officially approved by the International Civil Aviation Organization (ICAO). 2, record 4, English, - declared%20distances
Record 4, Key term(s)
- declared distance
Record 4, French
Record 4, Domaine(s)
- Transport aérien
Record 4, Main entry term, French
- distances déclarées
1, record 4, French, distances%20d%C3%A9clar%C3%A9es
correct, feminine noun, plural, officially approved
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
a) Distance de roulement utilisable au décollage (TORA). Longueur de piste déclarée comme étant utilisable et convenant pour le roulement au sol d'un avion au décollage. b) Distance utilisable au décollage (TODA). Distance de roulement utilisable au décollage, augmentée de la longueur du prolongement dégagé, s'il y en a un. c) Distance utilisable pour l'accélération-arrêt (ASDA). Distance de roulement utilisable au décollage, augmentée de la longueur du prolongement d'arrêt, s'il y en a un. d) Distance utilisable à l'atterrissage (LDA). Longueur de piste déclarée comme étant utilisable et convenant pour le roulement au sol d'un avion à l'atterrissage. 1, record 4, French, - distances%20d%C3%A9clar%C3%A9es
Record number: 4, Textual support number: 2 OBS
distances déclarées : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI). 2, record 4, French, - distances%20d%C3%A9clar%C3%A9es
Record 4, Key term(s)
- distance déclarée
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Transporte aéreo
Record 4, Main entry term, Spanish
- distancias declaradas
1, record 4, Spanish, distancias%20declaradas
correct, feminine noun, plural, officially approved
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 OBS
a) Recorrido de despegue disponible(TORA). La longitud de la pista que se ha declarado disponible y adecuada para el recorrido en tierra de un avión que despegue. b) Distancia de despegue disponible(TODA). La longitud del recorrido de despegue disponible más la longitud de la zona libre de obstáculos, si la hubiera. c) Distancia de aceleración-parada disponible(ASDA). La longitud del recorrido de despegue disponible más la longitud de zona de parada, si la hubiera. d) Distancia de aterrizaje disponible(LDA). La longitud de la pista que se ha declarado disponible y adecuada para el recorrido en tierra de un avión que aterrice. 1, record 4, Spanish, - distancias%20declaradas
Record number: 4, Textual support number: 2 OBS
distancias declaradas : término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI). 2, record 4, Spanish, - distancias%20declaradas
Record 4, Key term(s)
- distancia declarada
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: