Ceiling Knot Stability 
Air Facts
MAY 5, 2025
The hourly sequence report showed Springfield had a ceiling of 100 feet obscured, a visibility of 3/8 mile and fog with a surface temperature of 30 degrees F. The forecast at our arrival time at Jefferson City was for a ceiling of 1,200′ overcast with a visibility of four miles in fog.
Flying Magazine
JUNE 20, 2025
The weather at the time of the accident included an AIRMET active for IFR conditions with ceilings below 1,000 feet and visibility less than 3 miles due to fog and mist. The LPV has lower weather minimums of the two, as it requires a ceiling of 673 feet versus 750 for the LNAV. The pilot answered, “I think we’ll be alright.”
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Vintage Aviation News
APRIL 25, 2025
The aircraft had to land into a 15-knot crosswind, and the plane landed at a speed of 115 mph, well below the standard landing speed of between 150-175 mph. In 2015, the aircraft was temporarily lowered from the ceiling to the floor of the museum in order to conduct a 3D scan of the aircraft (which we covered HERE ).
Flying Magazine
MAY 12, 2025
Performance may be degraded when placed on the cockpit dashboard or under the aircrafts canopy/ceiling window due to window material, deicing technology, and glass angle. A support mechanism, such as a tacky brace, can help stabilize the setup, avoiding detachment due to cold conditions at higher altitudes.
Fear of Landing
MAY 9, 2025
During the take-off roll, the first officer noticed that although the Challenger 300 was accelerating normally, the right-side primary flight control had stopped showing acceleration above 40 knots. The captain slowed the aircraft from 104 knots and exited the runway onto a taxiway. He called out that he had no airspeed.
Plane and Pilot
JUNE 19, 2025
The vertical stabilizer featured a distinctive vertical leading edge and forward-swept trailing edge, again similar to the Mooney. The Lark cruised at nearly 115 knots, climbed at 700-750 fpm, stalled at less than 50 knots, and boasted a service ceiling of 13,000 feet.
Aerotime
MARCH 21, 2025
TSB Approach sequence Due to reported wind gusts as the CRJ900 approached Toronto Pearson following a flight from MinneapolisSaint Paul International Airport (MSP) the aircraft was flown at 149 knots. seconds before touchdown the aircrafts indicated airspeed was 136 knots, and its ground speed was 111 knots.
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