Identification of atypical flight patterns

Details Identification of atypical flight patterns Identification of atypical flight patterns

2005-08-30

2005-08-30

Black, Thomas G. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

C701S214000, C244S184000

Reexamination Certificate

active

06937924

ABSTRACT:
Method and system for analyzing aircraft data, including multiple selected flight parameters for a selected phase of a selected flight, and for determining when the selected phase of the selected flight is atypical, when compared with corresponding data for the same phase for other similar flights. A flight signature is computed using continuous-valued and discrete-valued flight parameters for the selected flight parameters and is optionally compared with a statistical distribution of other observed flight signatures, yielding atypicality scores for the same phase for other similar flights. A cluster analysis is optionally applied to the flight signatures to define an optimal collection of clusters. A level of atypicality for a selected flight is estimated, based upon an index associated with the cluster analysis.

REFERENCES:
patent: 4235104 (1980-11-01), Hoadley et al.
patent: 5796612 (1998-08-01), Palmer
patent: 5991691 (1999-11-01), Johnson
patent: 6389333 (2002-05-01), Hansman et al.
patent: 6449573 (2002-09-01), Amos

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