What is DA?

What is DA?

Decision altitude (precision), the altitude at which a decision must be made during an ILS, MLS, or PAR instrument approach to either continue the approach or to execute a missed approach.

What is the critical point?

What is the critical point?

The critical point (CP) is a point on a track where it is as quick to go on as it is to turn back.

Also known as ETP (Equal Time Point) and PET (Point of Equal Time).

Why do you need contingency fuel?

Why do you need contingency fuel?

Contingency fuel is carried to account for additional enroute fuel consumption caused by wind, routing changes or ATM: ATM/CNS restrictions.

Do single engined planes have a VMCG?

Do single engined planes have a VMCG?

No, VMCG is defined as the minimum control speed on the ground, with one engine inoperative (critical engine on two engine airplanes), takeoff power on other engine(s), using aerodynamic controls only for directional control and thus only applicable to ME aircraft.

How does the all moving stabilator work on the Boeing 737 compared a fixed horizontal stabilizer of, for example, the Seneca?

How does the all moving stabilator work on the Boeing 737 compared a fixed horizontal stabilizer of, for example, the Seneca?

A moving stabilator allows for wider operating range of the control surface, which is of great importance in aircraft with a large range of operating speeds.

Compared to a fixed horizontal stabilizer, when trimmed, the moving stabilitor will produce less drag, reducing fuel consumption.

What are SOP's? And why do you think Airlines have SOP's?

What are SOP's? And why do you think Airlines have SOP's?

SOP's are Standard Operating Procedures, they provide safety, uniformity and work ethics.

Explain V1, V2, VR, VMCA and VMCG

Explain V1, V2, VR, VMCA and VMCG

V1 is the decision speed (sometimes referred to as critical engine speed or critical engine failure speed) by which any decision to reject a takeoff must be made.

V2 is the takeoff safety speed which must be attained at the 35 ft height at the end of the required runway distance. This is essentially the best one-engine inoperative angle of climb speed for the airplane and is a minimum speed for flight in that condition until at least 400 ft above the ground. V2 shall be at least 1.1 times VMCA, and no less than 1.2 times VS.

Vr is defined as the speed at which the rotation of the aircraft should be initiated to takeoff attitude.

VMCA is the minimum control speed in the air and is defined as the minimum speed, whilst in the air, that directional control can be maintained with one engine inoperative (critical engine on two engine aerolanes), operating engine(s) at takeoff power and a maximum of 5 degrees of bank towards the good engine(s).

VMCG is the minimum control speed on the ground and is defined as the minimum speed, whilst on the ground, that directional control can be maintained, using only aerodynamic controls, with one engine inoperative (critical engine on two engine airplanes) and takeoff power applied on the other engine(s).

What setting would you set the trim to for long range cruise?

What setting would you set the trim to for long range cruise?

Nose up

What is adverse yaw?

What is adverse yaw?

When rolling the aircraft the up-going wing will experience more drag than the down-going wing. This will result in a yawing moment that directly opposes the desired direction of turn. (i.e.: rolling left will cause a right yaw.)

What is the cabin altitude of the Boeing 737 on a cruise flight level?

What is the cabin altitude of the Boeing 737 on a cruise flight level?

8.000ft

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