Plane and Pilot

JULY 10, 2025

Jet pilots are all aware that up in the flight levels, they thrive on the increased true airspeed that the low atmospheric density produces. Up in the flight levels, jets fly at relatively low indicated airspeed and still cruise at 7-8 miles per minute. It should not have been a surprise, but it was. Glad the runway was so long.

Density Altitude

Flight Training Central

DECEMBER 30, 2024

Understanding and Executing IFR Holding Procedures Maximum holding speeds in knots indicated airspeed (KIAS) have been designated for specific altitude ranges. Bottom line is that its a service that every VFR pilot should take advantage of and it could even be a lifesaver.

Indicated Airspeed

Plane and Pilot

JUNE 23, 2025

While it wasn’t a particularly hot day, Big Bear’s density altitude was reported as 8,200 feet, resulting in a higher true airspeed compared to indicated airspeed. Increasing true airspeed makes the turn radius wider, resulting in an overshoot. There were other factors combining to cause the overshoot.

True Airspeed

Pilot Institute

FEBRUARY 1, 2025

Thats your true airspeed. Calibrated airspeed is not the same as indicated airspeed. However, the difference is a few knots for general aviation airspeeds and altitudes. For example, if its 120, look for the number 12 on the scale. Read the corresponding number on the outer scale.

Groundspeed

Professional Pilot

JULY 7, 2025

In addition, decreased air density also decreases ram air pressure, meaning a indicated airspeed from a pressure-based airspeed indicator will read lower than the true airspeed. Conversely, lower density reduces drag, because the aircraft surface encounters fewer molecules.

Density Altitude

Fear of Landing

JANUARY 24, 2025

airspeed 85 [kt indicated airspeed] KIAS fuel quantity check fuel selector valve fuller tank mixture rich auxiliary fuel pump on for 3-5 seconds with throttle open; then off ignition switch both (or start if propeller is stopped) throttle: advance slowly.

Runway

Flying Magazine

JUNE 30, 2025

We found a flaps up, power-off stall speed of 47 mph indicated airspeed, and full-flap stall speed of 42 mph indicated. We did power versus true airspeed checks at 7,500 feet on a standard atmosphere and temperature day. gph; at 65 percent power the TAS was 140 mph and fuel burn was 11.7

Gross Weight

Air Facts

MARCH 10, 2025

None of these concepts are strictly necessary for flying patterns with an instructor, or for maneuvering in the practice area, but all are important both for cross-country solos and for flying as a licensed pilot who takes the V in the PAVE acronym seriously.

Checkride

Flying Magazine

JUNE 2, 2025

Concorde and the Tupolev Tu-144 cruised at Mach 2 at 60,000 feet, where their indicated airspeed was only 380 knots, but the friction of air heated their noses to 260 degrees Fahrenheit. Fighters, which use supersonic speed briefly, if at all, look different.)

Drag

AV Web

MAY 20, 2025

All 228 passengers and crew aboard the Airbus A330 died when its pitot tubes likely became obstructed by ice crystals, creating a cascading set of failures, including autopilot disconnect and erroneous airspeed indications.

Runway

Flying Magazine

JULY 7, 2025

But with a top speed of 70 knots indicated airspeed (IAS), its velocity is more comparable to a shipping vessel. For example, Airlander 10 requires no runway for takeoff and landing—only a mooring mast and about 1,960 feet of flat space, whether that be tarmac, grass, sand, or even water.

Knot

Fear of Landing

JULY 18, 2025

In the air, the aircraft reached 180 knots indicated airspeed at 08:08:42, at which point the fuel cutoff switches transitioned from the RUN position to the CUTOFF position. The aircraft accelerated along the runway and reached V1, the take-off decision speed, of 155 knots normally. The aircraft lifted off at 08:08:39 UTC.

Weight-Shift-Control

Aerotime

MARCH 21, 2025

Around 13 seconds before touchdown as the aircraft was descending through 153 feet above ground level (AGL) the TSB said the CRJ900s indicated airspeed increased to 154 knots whereas the ground speed did not change appreciably, consistent with a performance-increasing wind gust. The bank angle increased to a 4.7right bank.

Indicated Airspeed

WayMan

DECEMBER 12, 2024

When stepping into the cockpit, one of the most important instruments that a pilot relies on is the airspeed indicator. Among the metrics displayed, Indicated Airspeed (IAS) stands out as a critical measure for safe and efficient flight operations. Mastering indicated airspeed is a cornerstone of becoming a skilled pilot.

Indicated Airspeed

Thrust Flight

JULY 24, 2024

In this article, we’re going to compare indicated airspeed with true airspeed and help you get a deeper understanding of the difference between the two. Like its partner in crime, the altimeter, your airspeed indicator gives you vital information about the plane you’re flying.

True Airspeed

Pilot Institute

JANUARY 21, 2025

Airspeed guides everything from takeoff to landing and every phase in between. But did you know there are several types of airspeed, each serving a unique purpose? Like Indicated Airspeed (IAS) , Calibrated Airspeed (CAS) , True Airspeed (TAS) , and more! What Are The Different Types of Airspeed?

Calibrated Airspeed

iPad Pilot News

AUGUST 20, 2024

Airspeed and altitude differences Consider speed first. The panel in your airplane shows indicated airspeed (IAS, derived from the pitot tube on the wing), while the iPad shows groundspeed (derived from the GPS in your ADS-B receiver or iPad). Here’s a somewhat geeky dive into the details.

Altimeter

Fear of Landing

APRIL 19, 2024

As the helicopter continued towards the airport, the airspeed began to decrease. The indicated airspeed had fallen below 65 knots and was still decreasing. As the airspeed decayed, the right yaw increased. The helicopter was at treetop height with an indicated airspeed of zero knots when the right yaw ceased.

Torque

Pilot's Life Blog

APRIL 9, 2024

True Airspeed vs Indicated Airspeed VS Equivalent Airspeed Since airspeed indicators use air pressure to measure speed, the indicated airspeed can be less than the actual airspeed at higher altitudes. True airspeed (TAS) is the difference between the indicated airspeed and actual speed.

Pitot Tube

Flight Training Central

DECEMBER 9, 2024

What is the maximum indicated airspeed you may fly when operating under BasicMed? When must the pilot complete the next comprehensive medical examination to continue operating under BasicMed? June 31, 2026 June 15, 2028 June 30, 2028 Correct! 250 knots 200 knots 180 knots Correct!

Indicated Airspeed

Flight Training Central

MARCH 18, 2024

indicated airspeed, the speed limit for operations below 10,000′ MSL. indicated airspeed. indicated airspeed within four nautical miles of the primary airport, at or below 2,500′ AGL. indicated airspeed within four nautical miles of the primary airport, at or below 2,500′ AGL.

AGL

Flight Training Central

APRIL 8, 2024

Airspeed indicator. Vertical-speed and airspeed indicators. Vertical-speed indicator, airspeed indicator, and altimeter. Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates absolute altitude at field elevation. Vertical speed.

Airplanes

Flight Training Central

NOVEMBER 4, 2024

Class B Speed Limitations Aircraft flying within the Class B airspace may fly at an indicated airspeed of up to 250 knots. If flying below a Class B layer or within a VFR corridor through the Class B, the aircraft is limited to an indicated airspeed of 200 knots.

Indicated Airspeed

AeroSavvy

OCTOBER 26, 2020

Airspeed Pointer The airspeed pointer shows the indicated airspeed in knots as generated by the Air Data Computer. Digital Data Airspeed The Indicated Airspeed (above 30 knots) is displayed in a digital format. This speed is identical to the speed depicted by the Airspeed Pointer.

Pitot Tube

Air Facts

MAY 10, 2024

What specific indicated airspeed will be flown/adhered to during the circling maneuver? Is the airport have an operable FAA tower or is it an uncontrolled field environment? A well briefed “transfer of aircraft controls” is paramount. Non-towered airports greatly raise the possibility of traffic conflicts. What speed on final approach?

Approach

Fear of Landing

SEPTEMBER 20, 2024

The ATR’s airspeed was 191 knots. The CRUISE SPEED LOW is the first level of APM alert, and means that the indicated airspeed is at least ten knots slower than the predicted speed for their current configuration. Source: ATR The APM had triggered a CRUISE SPEED LOW alert in blue.

Knot

AV Web

FEBRUARY 17, 2025

I would prefer to be 5 or 10 knots slower than the barber pole (maximum indicated airspeed in a turbine airplane) or red line. One pilot of a turbine airplane tried to comply with this and exceeded the airframes maximum speed, which requires at the minimum a maintenance inspection.

Aeronautical Information Manual

Flight Training Central

FEBRUARY 21, 2025

Because the size of the holding pattern is directly proportional to the speed of the aircraft, maximum holding speeds in knots indicated airspeed (KIAS) have been designated for specific altitude ranges. Charted holding procedure on the low altitude enroute chart with 5 mile legs specified.

Clearance

Flying Magazine

APRIL 30, 2024

Flap overspeed protection makes for one more improvement, preventing the pilot from deploying the flaps above the programmed indicated airspeed relevant to the flap setting selected. It also prevents you from retracting the flaps when airspeed is too low.

Pilot

Pilot Institute

SEPTEMBER 26, 2024

Class C airports’ speed limits require aircraft within 4 Nautical Miles (NM) of the primary airport and below 2500 feet to maintain an Indicated Airspeed (IAS) of 200 knots or less. ATC offers IFR and VFR aircraft separation services in Class C.

Clearance

Flight Training Central

FEBRUARY 13, 2024

Because the size of the holding pattern is directly proportional to the speed of the aircraft, maximum holding speeds in knots indicated airspeed (KIAS) have been designated for specific altitude ranges. Charted holding procedure on the low altitude enroute chart with 5 mile legs specified.

Clearance

Flight Training Central

FEBRUARY 22, 2024

Adjustments of the climb attitude will be dictated by the indicated airspeed. If airspeed is too high or low, the pitch attitude must be changed. Don’t chase the airspeed indicator to make the change.

Descent

Air

MAY 21, 2025

Can cause sudden losses or gains in indicated airspeed (IAS), directly affecting lift. This rapid change can occur with height or across a horizontal expanse. It is a particularly insidious phenomenon that can be a prime cause of turbulence.

Crosswind

Air Facts

OCTOBER 14, 2024

Flying to Oklahoma from New Jersey in my G36 Bonanza, I once encountered a mountain wave where the indicated airspeed changed from 92 knots to 164 knots without a single bump. On the East Coast, the Appalachians, and in the West, the Rockies, pose an interesting turbulence threat.

Turbulence

Professional Pilot

OCTOBER 10, 2024

SmartView also provides the standard compass, attitude indicator, airspeed, and altitude scales. The display delivers the expected high-resolution 3D rendering of the topography ahead, color coded for the absolute altitude of terrain features, highlighting obstacles. On the ground, the graphics are equally detailed.

Flight Deck

Pilot Institute

MAY 9, 2024

For a Cessna 172, the recommended indicated airspeed for the maneuver is 105 knots. Lazy eights are typically flown at cruise power settings below maneuvering speed. Refer to your Aircraft Flight Manual for the recommended speed and power setting. Set the power before entering the maneuver.

Rudder

Pilot Institute

MARCH 26, 2025

So, on days when we are taking off or landing at an airfield with low air density, we require faster true airspeeds to generate the required lift. This increased true airspeed, along with other factors increases takeoff and landing distances. High-density altitude, on the other hand, indicates thin air.

Density Altitude