Accession Number:

AD0744721

Title:

Keyboard and Message Evaluation for Cockpit Input Data Link

Descriptive Note:

Technical rept.

Corporate Author:

TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA

Personal Author(s):

• Hilborn, E. H.

Report Date:

1971-11-01

Pagination or Media Count:

40.0

Abstract:

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.

Descriptors:

• *DATA TRANSMISSION SYSTEMS
• *AIR TRAFFIC CONTROL SYSTEMS
• DIGITAL SYSTEMS
• DISPLAY SYSTEMS
• CODING
• VOCABULARY

Subject Categories:

• Air Navigation and Guidance

Distribution Statement:

APPROVED FOR PUBLIC RELEASE