C
C & W
C&C
C.G
C/A
C/A Code
C/f
C/M
C/NO
C/R
C/SOIT
C/UT
CAA
CAAC
CAB
CABCV
CAC
CACP
CAD
CAD/CAM
CADAG
CAE
CAF
CAFF
CAFM
CAGE
CAH
CAI
CAL
CALC
CALI
Calibrated Airspeed
CALM
CALSEL
CALVER
CAM
CAMP
CAN
CANPA
CAPS
CAPSULE
CAPT
car
CARDINAL ALTITUDES OR FLIGHT LEVELS
CARERI
Cargo
Carrier
CAS
CASA
CASE
CAT
CAT I
CAT I Enhanced
CAT II
CAT IIIA
CAT IIIB
CAT IIIC
CATES
CATEVS
CATIC
CATPASS
CATS
CAUT
CB
C-BAND
CBIT
CBP
CBRDS
CBT
CBV
CC
CCA
CCB
CCD
CCDL
CCDON
CCE
CCIP
CCITT
CCM
CCMR
CCMS
CCMU
CCON
CCP
CCR
CCRP
CCS
CCU
CCW
CD
cd/ft
cd/in
cd/m
CDA
CDBR
CDCCL
CDG
CDH
CDHU
CDI
CDL
CDM
CDMA
CDMS
CDN
CDP
CDR
CDRL
CD-ROM
CDS
CDTI
CDU
CECON
CED
CEILING
CELESTIAL MECHANICS
CELESTIAL SPHERE
CELSIUS
CENTER (core) BURNING
CENTER OF GRAVITY
CENTRAL ALTITUDE RESERVATION FACILITY (CARF)
CENTRIFUGE
CEO
CEP
CEPT
CES
CEU
CF
CFC
CFD
CFDIU
CFDS
CFIMS
CFIT
CFM
CFMIS
CFMU
CFR
CFS
CG
CGD
CGI
CGM
CH
Chan
CHANGE
CHAR
CHASE PILOT
CHATT
CHDO
CHECKOUT
Checksum
CHEMICAL FUEL
CHEMICAL ROCKET
CHEMOSPHERE
CHG
CHGR
CHINOOK OR CHINOOK WIND
CHIS
chngs
CHOL
CHP
CHR
CHVC
CI
CIA
CIC
CID
CIDB
CIDIN
CIDS
CIE
CIO
CIP
CIPR
CIR
CIRCUIT
CIRROCUMULUS
CIRROSTRATUS
CIRRUS
CIS
CISLUNAR
CISS
CIT
CIU
CJC
CK
CKLST
CKPT
CKT
CKT BKR
CL
CL ALL
CLB
CLEAR AIR TURBULENCE (CAT)
CLEARENCE LIMIT
CLIMATE
CLIMATOLOGY
CLK
CLNP
CLNS
CLOSED ECOLOGICAL SYSTEM
CLOUD
CLOUD BLANK
CLOUD DROPLETS
CLOUDBURST
CLP
CLR
CLUTTER
CM
cm
cm
cm
CMA
CMC
CMCC
CMCF
CMCM
CMCS
CMD
CMDS
CMF
CMFD
CMI
CMM
CMMIPL
CMN
CMND
CMO
CMOS
CMP
CMPT
CMPTR
CMR
CMRS
CMS
CMT
CMU
CND
CNDB
CNES
CNI
CNR
CNS
CNS/ATM
CNTOR
CO
CO ROUTE
COAST PERIOD
Coasted Track
Coast-in
Coast-out
COAX
COBOL
COC
Code Sharing
CODEC
CODES
COE
COHERENT
COI
COLD FRONT
COLD WAVE
COLD-FLOW TEST
COM
com
COM/MET/OPS
Combi
COMED
COMET
comhd sp
COMM
COMMAND
COMMUNICATIONS SATELLITE
comnd
COMP
COMPANION BODY
Compass Locator
COMPLEX
COMPOSITE MATERIALS
COMPOSITE PROPELLANT
Compressor
COMPT
COMPUTER
Computer Reservation System (CRS)
COMSEC
CON
CON1
COND
CONDENSATION
CONDENSATION LEVEL
CONDENSATION NUCLEI
CONDITIONAL STABILITY (or Conditions Instability)
CONDUCTION
Cone Of Confusion
config
CONFIGURATION
CONIC
CONIC SECTION
CONN
Connecting Flight
CONOPS
Consolan
CONSTANT PRESSURE CHART
CONT
Cont ign
CONT PNL
CONTACT APPROACH
CONTERMINOUS U.S.
CONTINENTAL CONTROL AREA
CONTINENTAL U.S.
Contour
CONTRAIL
CONTROL
CONTROL AREA
CONTROL ROCKET
CONTROL ZONE
CONTROLLED AIRSPACE
CONUS
CONV
CONVECTION
CONVECTIVE INSTABILITY (Also called POTENTIAL INSTABILITY)
CONVERG
CONVERGENCE
COP
COPs
COPY
COPYOS
CORE
CORIOLIS FORCE
CORONA
COROUTE
Correction (SSEC)
Corrective Advisory
CORRESP
COS
COSMIC DUST
COSMIC RAYS
COSOLE
COSPAR
COSPAS
COSPAS/SARSAT
COTP
COTS
COUNTDOWN
COURSE
CP
CPA
CPAM
CPC
cPCI
CPCP
CPCS
CPD
CPDLC
CPE
CPI
CPL
cplr
CPM
cpm
CPN
CPR
CPRSR
CPS
cps
CPSR
CPT
CPU
CR
CRASH LOCATOR BEACON
CRC
CRD
CRDA
CRES
CRFL
CRG
crg rtn
CRH
CRM
crngrph
cross track distance
CRPA
CRR
CRS
CRT
CRTG
CRU
CRUISE
CRUISING ALTITUDE
CRYOGENIC PROPELLANT
CRYOGENIC TEMPERATURE
CRZ
CS
CSC
CSCI
CSCP
CSD
CSDB
CSDD
CSDS
CSEU
CSMA
CSMM
CSMU
CSN
CSR
CSS
CSU
CSV
CT
CTA
CTAF
CTAI
CTAS
CTC
CTD
CTL
CTM
CTMO
CTN
CTOL
CTP-1
CTR
CTRD
CTRL
CTRS
CTS
CTSE
CTSO
CTU
CU
CUMULlFORM
CUMULONIMBUS
CUMULUS
CUTOFF
CV/DFDR
CVG
CVGV
CVR
CVRCP
CW
CWC
cw
CWDS
CWI
CWM
CWP
CWS
CYCLOGENESIS
CYCLONE