APPENDIX B
ABBREVIATIONS AND ACRONYMS
ACCL
Advanced Computational Concepts Laboratory
ACE
Aircraft Efficiency program
ACT
advanced composites technology
ADS
Automated Dependent Surveillance
AEDC
Arnold Engineering Development Center
AHS
American Helicopter Society
AIA
Aerospace Industries Association
ARC
Ames Research Center
ASIP
Aircraft Structural Integrity Program
ASM
available seat-miles
ASRS
Aviation Safety Reporting System
AST
Advanced subsonic transport
ATF
Advanced Tactical Fighter
ATM
air traffic management
BPR
bypass ratio
CDTI
cockpit display of traffic information
CFD
computational fluid dynamics
CIM
computer-integrated manufacturing
CIS
Commonwealth of Independent States
CMC
ceramic matrix composite
CPAS
composite primary aircraft structure
CRT
cathode-ray tube
CTM
cargo ton-miles
CTOL
conventional takeoff and landing
CVD
chemical vapor deposition
dB
decibels
DNS
direct numerical simulation
DOC
direct operating cost
DoD
Department of Defense
DoE
Department of Energy
E3
Energy Efficient Engine program
ECI
Engine Component Improvement program
ECS
engine control system
EPA
Environmental Protection Agency
EPNdB
effective perceived noise in decibels
FAA
Federal Aviation Administration
FAEDC
full-authority electronic digital control
FAR
Federal Aviation Regulation
GA
general aviation
GE
General Electric
GNSS
Global Navigational Satellite System
GPS
Global Positioning System
HB
high bypass
HF
high frequency
HP
high pressure
HPCI
High-Performance Computing Initiative
HSCT
high-speed civil transport
ICAO
International Civil Aviation Organization
IFR
instrument flight rule
IHPTET
integrated high-performance turbine engine technology
ILS
instrument landing system
IMC
intermetallic matrix composite
INS
inertial navigation system
IPC
intelligent process control
LaRC
Langley Research Center
lbf
pounds force
L/D
lift-to-drag ratio
LDV
laser-Doppler velocimeter
LeRC
Lewis Research Center
LFC
laminar flow control
LP
low pressure
LPP
lean primed prevaporized
MATE
Materials for Advanced Technology Engine
MFLOPS
million floating point operations per second
MLS
microwave landing system
MMC
metal matrix composite
MTBF
mean time between failures
NACA
National Advisory Committee on Aeronautics
NAS
National Academy of Sciences
NAS
Numerical Aerodynamic Simulation
NASA
National Aeronautics and Space Administration
NASP
National Aerospace Plane
NDE
nondestructive evaluation
nmi
nautical miles
NOAA
National Oceanic and Atmospheric Administration
NOE
nap-of-the-earth
NOx
nitrogen oxide
NPSS
Numerical Propulsion System Simulator
NRC
National Research Council
NTF
National Transonic Facility
NTSB
National Transportation Safety Board
OAST
Office of Aeronautics and Space Technology
OEI
operating environment information
OSI
open system interconnection
OSTP
Office of Science and Technology Policy
P&W
Pratt & Whitney
PMC
polymer matrix composite
PNdB
perceived noise in decibels
psf
pounds per square foot
psi
pounds per square inch
RBQQ
rich burn quick quench
RCS
reaction control system
RPM
revenue passenger-miles
RTM
revenue ton-miles
RVR
runway visual range
SCAS
stability and command augmentation system
sfc
specific fuel consumption
shp
specific horsepower
SSR
secondary surveillance radar
SST
supersonic transport
STOL
short takeoff and landing
TCAS
Terminal Collision Avoidance System
TOGW
total gross weight
TRB
Transportation Research Board
TSFC
thrust-specific fuel consumption
UHF
ultrahigh frequency
USAF
United States Air Force
VEN
variable exit nozzle
VHB
very high bypass
VHF
very high frequency