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Flight evaluation of curved MLS precision approaches in a Twin Otter aircraft: Phase II

Alternative titleÉvaluation en vol d'approches précisions courbes avec un Twin Otter utilisant un système MLS : phase II
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DOIResolve DOI: https://doi.org/10.4224/40001902
AuthorSearch for: 1
Affiliation
  1. National Research Council Canada. NRC Institute for Aerospace Research
FormatText, Technical Report
Physical descriptioniv, 18 p. : ill.
Abstract
Phase II flight testing of curved, segmented approaches using a Microwave Landing System (MLS) was conducted on a Twin Otter aircraft belonging to the Canadian National Research Council’s Institute for Aerospace Research (IAR), Precision guidance algorithms were developed for approaches with track angle changes exceeding 180°. Software development flights focussed on validating these algorithms and enhancing the existing electro-mechanical flight director to ease the pilot workload in tracking the curved segments. A limited number of pilot evaluations confirmed that with an enhanced lateral flight director, these approaches could be flown satisfactorily regardless of the magnitude of the track angle changes. Observations were made on approach design and wind effects on curved segment tracking.
Date published
PublisherNational Research Council Canada
Series
  • Aeronautical Note (National Research Council Canada. Institute for Aerospace Research), no. IAR-AN-73 (July 1991).
LanguageEnglish
Peer reviewedNo
NRC numberFRL-1991-0025
NRC 32149
NPARC number8932678
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Record identifier0de8b11d-7474-466d-b20a-495833940e01
Record created2009-04-23
Record modified2026-10-05

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