What question did this study set out to answer?

The aim is to investigate how aircraft icing affects longitudinal trim characteristics and flight performance during different atmospheric conditions.

February 2, 2026

Longitudinal Trim Analysis for Aircraft Icing from the SENS4ICE European Flight Test Campaign

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Authors

CDChristoph DeilerDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)FSFalk SachsDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

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Implication

Longitudinal trim analysis evaluates icing impacts on aircraft flight characteristics, suggesting key insights for safety improvements.

Key Points

The aim is to investigate how aircraft icing affects longitudinal trim characteristics and flight performance during different atmospheric conditions.
Conducted a longitudinal trim analysis based on flight test data from the SENS4ICE campaign.
Focused on atmospheric conditions with varying water droplet sizes, including supercooled large droplets.
Analyzed elevator deflection and pitch coefficient for different icing data sets compared to clean aircraft references.
Found only small deviations from clean elevator trim curves in various icing conditions.
Observed significant changes in pitch moment curves related to angle of attack across all icing cases.

Cite This Study

Deiler et al. (2026) studied this question.

synapsesocial.com/papers/6980fdc7c1c9540dea80f6b7 https://doi.org/10.2514/6.2026-2087

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Longitudinal Trim Analysis for Aircraft Icing from the SENS4ICE European Flight Test Campaign

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Key Points

Cite This Study

Longitudinal Trim Analysis for Aircraft Icing from the SENS4ICE European Flight Test Campaign

Discussion

Member takes

Implication

Key Points

Cite This Study

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