Microwave Landing System signal requirements for conventional aircraft

Lanman, Maurice H. III; John A. Volpe National Transportation Systems Center (U.S.)

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Microwave Landing System signal requirements for conventional aircraft

1972-07-01
By Lanman, Maurice H. III

English

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Details:

Creators:

Lanman, Maurice H. III
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Subject/TRT Terms:

[+]

All Weather Landing All Weather Landing Systems Automatic Landing Microwave Landing System Microwave Landing Systems MLS Signal Processing
Publication/ Report Number:

DOT-TSC-FAA-72-30 ; FAA-RD-72-86

DOT-TSC-FAA-72-30 ; FAA-RD-72-86 Less -
Resource Type:

Tech Report
Edition:

Final report; FY 1971-1972
Corporate Publisher:

United States. Department of Transportation. Federal Aviation Administration
Abstract:

The results of analysis directed towards determining Microwave Landing System (MLS) signal requirements for conventional aircraft are discussed. The phases of flight considered include straight-in final approach, flareout, and rollout. A limited number of detailed problems in

performance analysis are studied. Data from computer simulation, covariance propagation and system optimization, with a careful selection of variables provides a means for generalizing from the results of specific experiments to more comprehensive functional, data rate, beam noise, and control system requirements for automatic landing in turbulence. Conclusions point toward the requirements for a re-evaluation of the MLS as sole primary landing aid; the problem

arises during flareout in turbulence, when elevation information is inadequate to maintain precise sink rate control. Minimum suitable data rate and maximum allowable noise for final approach are also recommended.
Format:

PDF
Funding:

FA 209
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:7f97a71816f80cf8ab40df949578df0ae37b73a21adfc9b505597416cffd8502
Download URL:

https://rosap.ntl.bts.gov/view/dot/9064/dot_9064_DS1.pdf
File Type:

[PDF-4.72 MB]