Keyboard and Message Evaluation for Cockpit Input Data Link
TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA
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The project studied some methods for implementation of the man- machine interface of Digital Data Link for Air Traffic Control. An analysis of information transfer requirements indicated that a vocabulary of less than 200 words could yield meaningful messages for all routine ATC transactions. Keyboard configurations suitable for one-handed operation to yield alphanumeric outputs were studied and a ten-key character selection layout based upon sequential keying of the first two letters of the phonetic alphabet was developed.
- Air Navigation and Guidance