Flight Performance of Fixed and Rotary Wing Aircraft

Nomenclature acronyms

AEO

=All Engines Operating

AF

=Activity Factor

AI

=Autorotative Index

ASI

=Air Speed Indicator

ASW

=Anti-Submarine Warfare

ATC

=Air Traffic Control

AUW

=All-Up Weight

BLF

= Balanced Field Length

BPR

= By-pass Ratio

BRGW

= Brake-Release Gross Weight

BVI

= Blade Vortex Interaction

CAS

= Calibrated Air Speed

CG

= Center of Gravity

CTOL

= Conventional Take-off and Landing

DOC

= Direct Operating Costs

DOF

= Degree of Freedom

EAS

= Equivalent Air Speed

EBF

= Externally Blown Flap

EPNdB

= Effective Perceived Noise, in dB

ETOPS

= Extended Twin-Engine OPerationS

GTOW

= Gross Take-off Weight

KTAS

= True Air Speed in knots

IGE

= In Ground Effect

ILS

= Instrument Landing System

ISA

= International Standard Atmosphere

FL

= Fuselage Line; Flight Level

FoM

= Figure of Merit

ODE

= Ordinary Differential Equation

OEI

= One Engine Inoperative

OEW

= Operating Empty Weight

OGE

= Out of Ground Effect

OSPL

= Overall Sound Pressure Level

MAC

= Mean Aerodynamic Chord

MIL

= Military Standard (USA)

MLW

= Maximum Landing Weight

MR

= Main Rotor

MRW

= Maximum Ramp Weight

MTOW

= Maximum Take-off Weight

MZFW

= Maximum Zero-Fuel Weight

NOTAR

= NOTAil Rotor

PAY

= Payload Weight

PAX

= Passengers

SAR

= Specific Air Range

SFC

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