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February 2, 2026

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

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Authors

CDChristoph DeilerFSFalk Sachs

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Overview

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/6980fdc7c1c9540dea80f6b7https://doi.org/10.2514/6.2026-2087
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