Horizontal Stabilizer Stability Turbulence 
Pilot Institute
JULY 11, 2025
When you reach around 36,000 feet (11,000 m) near the tropopause, the temperature stabilizes at around -56.5 °C. The result is a region of separated, turbulent flow behind the shock. The tailplane (horizontal stabilizer) at high Mach can also develop shocks or experience disturbed airflow from the wings.
Vintage Aviation News
APRIL 18, 2025
The F-14s unique roll control setup, which relies on differential horizontal stabilizers and spoilers rather than traditional ailerons, provided effective control at various speeds but also introduced side forces that could contribute to spin entry.
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Pilot Institute
NOVEMBER 23, 2024
The initial rotation that initiates a spin may result from other factors, such as incorrect control inputs or turbulence. The problem is that the airflow from the propeller goes over the horizontal stabilizer, which produces a downward force (and causes the nose to pitch up).
Aerotime
DECEMBER 27, 2024
Additionally, only those events where aircraft have been reported as either substantially damaged or written off, or there has been a fatality onboard a public transport flight due to inflight turbulence, have been included. The left winglet of one of the aircraft collided with the right horizontal stabilizer and elevator of the other.
AV Web
DECEMBER 8, 2024
In a final report that seems scripted to prove the old adage about aircraft accidents resulting from a series of seemingly minor mishaps, the NTSB has determined that pilot actions, not turbulence and later a trim issue, as was widely reported at the time, caused an upset that led to the death of a passenger on a Challenger 300 in 2023.
Aerotime
JANUARY 15, 2025
NASA used the aircraft for wake turbulence studies, but in 1977, it was converted to its Shuttle Carrier Aircraft (SCA) configuration and began its important job of ferrying the Enterprise orbiter. As it was exposed to turbulent winds and vibrations, it was mounted in bearings in pressurized oil to steady the view.
Pilot Institute
NOVEMBER 11, 2024
How an aircraft handles Dutch roll depends on its dynamic stability. The aircraft’s design influences its dynamic stability. The trigger can be any external force such as a wind gust or turbulence. To understand the aircraft’s response to a disturbance, you need to understand aerodynamic stability.
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