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The Advent of Scientific Aircraft Navigation

2016-09-27Journal article Open access
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dc.contributor.authorBarata, Jorge M M
dc.contributor.authorMendes, António
dc.contributor.authorMorgado, Cândido M. P.
dc.contributor.authorNeves, Fernando M. S. P.
dc.contributor.authorSilva, André
dc.date.accessioned2022-01-06T17:05:37Z
dc.date.available2022-01-06T17:05:37Z
dc.date.issued2016-09-27
dc.description.abstractTwo Portuguese aerial navigators, Gago Coutinho and Sacadura Cabral, crossed for the first time, from Europe to the South Atlantic in 1922; they developed and used for the first time scientific methods of astronomic navigation when flying out of sight of land: a path corrector and a precision sextant. Both navigation devices were tested during short flights from Lisbon to Madeira Island (1921) and the encouraging results obtained, allow the navigators to apply them with quite success into an intercontinental flight. The “path corrector” was invented by Sacadura Cabral and Gago Coutinho with the intent to calculate graphically the angle between the longitudinal axis of an airplane and the direction of flight, taking into account the intensity and the direction of the winds. The regular sextant used by the navy could not be applied to aviation due to the difficulty of the definition of the sky-line at a normal flight altitude. Gago Coutinho developed a new model of sextant that could be used to measure the altitude of a star without the need of the sea horizon; this new device was called “precision sextant” and was improved with an artificial horizon line defined with the help of a water bubble. This device was later improved with an internal illumination system to allow its use during night flights and was used along the First Aerial South Atlantic Night Crossing, in 1927, performed by Portuguese airmen Sarmento Beires, Jorge Castilho, Duvalle Portugal and Manuel Gouveia. An advanced version of this instrument started to be manufactured in Germany by C. Plath under the name of “System Admiral Gago Coutinho”.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologiapt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBarata, J. , Mendes, A. , Morgado, C. , Neves, F. and Silva, A. (2016) The Advent of Scientific Aircraft Navigation. Open Journal of Applied Sciences, 6, 714-727. doi: 10.4236/ojapps.2016.610065pt_PT
dc.identifier.doi10.4236/ojapps.2016.610065pt_PT
dc.identifier.issn2165-3917
dc.identifier.urihttp://hdl.handle.net/10400.6/11560
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherScientific Research Publishingpt_PT
dc.relation.publisherversionhttps://www.scirp.org/pdf/OJAppS_2016092713420074.pdfpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHistory of the Sextantpt_PT
dc.subjectGago Coutinhopt_PT
dc.subjectPrecision Sextantpt_PT
dc.titleThe Advent of Scientific Aircraft Navigationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage727pt_PT
oaire.citation.issue10pt_PT
oaire.citation.startPage714pt_PT
oaire.citation.titleOpen Journal of Applied Sciencespt_PT
oaire.citation.volume06pt_PT
person.familyNameMartins Barata
person.familyNameMendes
person.familyNameSilva Pereira das Neves
person.familyNameResende Rodrigues da Silva
person.givenNameJorge Manuel
person.givenNameAntónio
person.givenNameFernando Manuel da
person.givenNameAndré
person.identifierhFY_5JYAAAAJ&hl
person.identifierJ-4185-2012
person.identifier.ciencia-idF611-BBCC-DAA8
person.identifier.ciencia-idBC15-D534-3DCC
person.identifier.ciencia-id8219-4B2B-E1C7
person.identifier.orcid0000-0001-9014-5008
person.identifier.orcid0000-0002-4603-9563
person.identifier.orcid0000-0002-5826-7459
person.identifier.orcid0000-0002-4901-7140
person.identifier.scopus-author-id11439470600
person.identifier.scopus-author-id11440407500
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationc4346556-933d-4f70-9b6d-8e1670d57be6
relation.isAuthorOfPublication4504c9ad-a7c6-4357-a4d4-5208d18184e8
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relation.isAuthorOfPublication908e150d-3890-457c-b5da-09c84671cb93
relation.isAuthorOfPublication.latestForDiscovery4f84a2ce-0a92-475b-9a13-87b26a6b1109

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