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Effects of digital altimetry on pilot workloadA series of VOR-DME instrument landing approaches was flown in the DC-9 full-workload simulator to compare pilot performance, scan behavior, and workload when using a computer-drum-pointer altimeter (CDPA) and a digital altimeter (DA). Six pilots executed two sets of instrument landing approaches, with a CDPA on one set and a DA on the other set. Pilot scanning parameters, flight performance, and subjective opinion data were evaluated. It is found that the processes of gathering information from the CDPA and the DA are different. The DA requires a higher mental workload than the CDPA for a VOR-DME type landing approach. Mental processing of altitude information after transitioning back to the attitude indicator is more evident with the DA than with the CDPA.
Document ID
19860041281
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Harris, R. L., Sr.
(NASA Langley Research Center Hampton, VA, United States)
Glover, B. J.
(Kentron International, Inc. Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1984
Subject Category
Behavioral Sciences
Report/Patent Number
SAE PAPER 841489
Accession Number
86A26019
Distribution Limits
Public
Copyright
Other

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