Commercial Pilot for Airplane Category › IX. Emergency Operations › Task E. Engine Failure During Takeoff Before VMC (Simulated) (AMEL, AMES)

CA.IX.E.K2

Knowledge

VMC (red line) and best single-engine rate of climb airspeed (VYSE) (blue line).

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Airplane Flying Handbook p. 13-1
Chapter 13: Transition to Multiengine Airplanes › Terms and Definitions
given unit of time. ⦁ VYSE —best rate of climb speed with OEI. Marked with a blue radial line on most airspeed indicators. Above the single-engine absolute ceiling, VYSE yields the minimum rate of sink. ⦁ VSSE —safe, intentional ... speed—originally known as safe single-engine speed. It is the minimum speed to intentionally render the critical engine inoperative. ⦁ VREF —reference landing speed—an airspeed used for final approach, which is normally 1.3 times VSO, the stall speed…
Pilot's Handbook of Aeronautical Knowledge p. 9-2
Chapter 9: Flight Manuals and Other Documents › Airspeed
have a red radial line to indicate single-engine minimum controllable airspeed (VMC). A blue radial line is used to indicate single-engine best rate of climb speed at maximum weight at sea level (VYSE). [Figure…
Airplane Flying Handbook p. 13-30
Chapter 13: Transition to Multiengine Airplanes › Low Altitude Engine Failure Scenarios › Landing Gear Control Selected Up, Single-Engine Climb Performance Inadequate
Landing Gear Control Selected Up, Single-Engine Climb Performance Inadequate When operating near or above the single-engine ceiling and an engine failure is experienced shortly after lift-off, a landing needs to be accomplished on whatever essentially lies ahead ... Figure 13-19] There is also the option of continuing ahead, in a descent at VYSE with the remaining engine producing power, as long as the pilot is not tempted to remain airborne beyond the airplane’s performance capability. Remaining…
Airplane Flying Handbook p. 13-33
Chapter 13: Transition to Multiengine Airplanes › Low Altitude Engine Failure Scenarios › Checklist
overrun available to land on. The use of wing flaps for takeoff virtually eliminates the likelihood of a single-engine climb until the flaps are retracted. There are two time-tested memory aids the pilot may find useful in dealing ... with engine-out scenarios. The first, “dead foot—dead engine” is used to assist in identifying the failed engine. Depending on the failure mode, the pilot will not be able to consistently identify the failed engine in a timely manner…
Airplane Flying Handbook p. 13-24
Chapter 13: Transition to Multiengine Airplanes › Engine Inoperative Flight Principles › Derivation of VMC
They also describe the conditions used to determine the manufacturer's published speed. Historically, in aircraft certification, dynamic VMC has been determined under the following conditions outlined in historical 14 CFR part 23, section 23.149: ⦁ Maximum available takeoff power initially ... each engine (section 23.149(b)(1)). VMC increases as power is increased on the operating engine. With normally aspirated engines, VMC is highest at takeoff power and sea level, and decreases with altitude. With turbocharged engines, takeoff power, and therefore…