ATC Clearance Abbreviations

Question 1

TR

Answer 1

Turn right

Question 2

Present Position

Answer 2

PP

Question 3

BL

Answer 3

Base Leg

Question 4

PP

Answer 4

Present Position

Question 5

Radial

Answer 5

RDL

Question 6

Cleared to the airport, VOR approach

Answer 6

AO

Question 7

M (altitude)

Answer 7

Maintain (followed by altitude)

Question 8

Clearance, Cleared to

Answer 8

CX

Question 9

(transponder code)

Answer 9

squawk

Question 10

⊣

Answer 10

Intercept

Question 11

RDL

Answer 11

Radial

Question 12

CFP

Answer 12

Close flight plan

Question 13

At

Answer 13

@

Question 14

Do not depart until (time/event)

Answer 14

DNDU

Question 15

Centre Stored

Answer 15

CS

Question 16

FPR

Answer 16

Flight plan route

Question 17

Cleared to an airport (as a geographical location)

Answer 17

F

Question 18

Cancel IFR

Answer 18

ƚ

Question 19

EAC(time)

Answer 19

Expect approach clearance at (time)

Question 20

EACNL(time)

Answer 20

Expect approach clearance not later than (time)

Question 21

EFC(time)

Answer 21

Expect further clearance at (time)

Question 22

Direct

Answer 22

→

Question 23

O(ident)

Answer 23

Cleared to (name) VOR (as a clearance limit)

Question 24

TIL

Answer 24

Until

Question 25

BC

Answer 25

Back Course

Question 26

WICA

Answer 26

While in controlled airspace

Question 27

Climb to and Maintain

Answer 27

CTAM

Question 28

N(ident)

Answer 28

Cleared to (name) NDB (as a clearance limit)

Question 29

At or above (not below)

Answer 29

↑

Question 30

CS

Answer 30

Centre Stored

Question 31

D/C

Answer 31

Down and clear

Question 32

Back Course

Answer 32

BC

Question 33

SI

Answer 33

Straight-in

Question 34

Report level

Answer 34

RLVL

Question 35

Cleared to airport for an approach (type of approach not specified)

Answer 35

A

Question 36

Cleared to (name) NDB (as a clearance limit)

Answer 36

N(ident)

Question 37

BLO

Answer 37

Below

Question 38

CNL

Answer 38

Cancel

Question 39

DNCA

Answer 39

Do not climb above

Question 40

Depart runway

Answer 40

DR

Question 41

Until further notice

Answer 41

UFN

Question 42

X(fix)150↑

Answer 42

Cross (fix) at 15000 feet or above

Question 43

Abeam

Answer 43

ABM

Question 44

INT

Answer 44

Intersection

Question 45

Contact

Answer 45

CTC

Question 46

ƚ

Answer 46

Cancel IFR

Question 47

ABC27

Answer 47

Cleared to the airport, back course runway 27 approach

Question 48

60↗80

Answer 48

Climb from 6000 to 8000

Question 49

↗

Answer 49

climb

Question 50

Before proceeding on course

Answer 50

BPOC

Question 51

Until

Answer 51

TIL

Question 52

Cleared to the airport, ILS runway 09 approach

Answer 52

AI09

Question 53

DR

Answer 53

Depart runway

Question 54

Cleared to the airport, straight-in ILS runway 09 approach

Answer 54

ASI09

Question 55

RR

Answer 55

Report reaching

Question 56

TL

Answer 56

Turn left

Question 57

ICA

Answer 57

In controlled airspace

Question 58

Descend

Answer 58

↘

Question 59

Expect approach clearance at (time)

Answer 59

EAC(time)

Question 60

Clear of (control) Zone

Answer 60

CCZ

Question 61

Report passing

Answer 61

RP

Question 62

POC

Answer 62

Proceed on course

Question 63

Climb runway heading

Answer 63

↗RH

Question 64

RQ

Answer 64

Request or requested

Question 65

Cross (fix) at 15000 feet or below

Answer 65

X(fix)150↓

Question 66

CC (time/event)

Answer 66

Clearance Cancelled if not airborne before (time/event)

Question 67

Proceed on course

Answer 67

POC

Question 68

Report down

Answer 68

RD

Question 69

On course

Answer 69

OC

Question 70

↘

Answer 70

Descend

Question 71

CZ

Answer 71

Control Zone

Question 72

AO

Answer 72

Cleared to the airport, VOR approach

Question 73

HDG

Answer 73

Heading

Question 74

NA

Answer 74

Not above

Question 75

Climb on Course

Answer 75

COC

Question 76

Climb

Answer 76

↗

Question 77

In the event of a missed approach

Answer 77

EMA

Question 78

↓

Answer 78

At or below (not above)

Question 79

Intercept

Answer 79

⊣

Question 80

Cleared to the airport, straight-in back course runway 27

Answer 80

ASBC27

Question 81

Report leaving

Answer 81

RL

Question 82

OC

Answer 82

On course

Question 83

CTC

Answer 83

Contact

Question 84

Expect higher en route

Answer 84

EHR

Question 85

Close flight plan

Answer 85

CFP

Question 86

Intersection

Answer 86

INT

Question 87

Cleared to the March airport, contact approach

Answer 87

AK

Question 88

Expect higher after takeoff

Answer 88

EHATO

Question 89

Cross

Answer 89

X

Question 90

Control Zone

Answer 90

CZ

Question 91

Expect further clearance at (time)

Answer 91

EFC(time)

Question 92

Cancel

Answer 92

CNL

Question 93

In controlled airspace

Answer 93

ICA

Question 94

X(fix)150↓

Answer 94

Cross (fix) at 15000 feet or below

Question 95

Flight plan route

Answer 95

FPR

Question 96

TWR

Answer 96

Control Tower

Question 97

NBFR

Answer 97

Not before

Question 98

DNDU

Answer 98

Do not depart until (time/event)

Question 99

Heading

Answer 99

HDG

Question 100

CFI

Answer 100

Close flight itinerary

Question 101

Cleared to (name) VOR (as a clearance limit)

Answer 101

O(ident)

Question 102

CTAM

Answer 102

Climb to and Maintain

Question 103

Cross (fix) at 15000 feet or above

Answer 103

X(fix)150↑

Question 104

AV

Answer 104

Cleared to the airport, visual approach

Question 105

CCZ

Answer 105

Clear of (control) Zone

Question 106

↗RH

Answer 106

Climb runway heading

Question 107

COC

Answer 107

Climb on Course

Question 108

DTAM

Answer 108

Descend to and maintain

Question 109

RH

Answer 109

Runway heading

Question 110

Base Leg

Answer 110

BL

Question 111

Cleared to the March aiport, contact approach runway 14

Answer 111

AK14

Question 112

UFA

Answer 112

Until further advised

Question 113

Close flight itinerary

Answer 113

CFI

Question 114

@

Answer 114

At

Question 115

Down and Clear

Answer 115

D/C

Question 116

Expect higher (reason)

Answer 116

EH (reason)

Question 117

Below

Answer 117

BLO

Question 118

X

Answer 118

Cross

Question 119

Runway heading

Answer 119

RH

Question 120

A

Answer 120

Cleared to airport for an approach (type of approach not specified)

Question 121

Not before

Answer 121

NBFR

Question 122

Cross (fix) at 11000 feet

Answer 122

X(fix)110

Question 123

squawk

Answer 123

(transponder code)

Question 124

EHR

Answer 124

Expect higher en route

Question 125

While in controlled airspace

Answer 125

WICA

Question 126

ABV

Answer 126

Above

Question 127

Until further advised

Answer 127

UFA

Question 128

EMA

Answer 128

In the event of missed approach

Question 129

RLVL

Answer 129

Report level

Question 130

At or below (not above)

Answer 130

↓

Question 131

AK

Answer 131

Cleared to the March airport, contact approach

Question 132

Turn left

Answer 132

TL

Question 133

CSR

Answer 133

Centre Stored Route

Question 134

ASBC27

Answer 134

Cleared to the airport, straight-in back course runway 27

Question 135

Unable

Answer 135

UNA

Question 136

B

Answer 136

Cleared out of controlled airspace

Question 137

Centre Stored Route

Answer 137

CSR

Question 138

Descend to and maintain

Answer 138

DTAM

Question 139

Not above

Answer 139

NA

Question 140

Do not climb above

Answer 140

DNCA

Question 141

RL

Answer 141

Report leaving

Question 142

Cleared out of controlled airspace

Answer 142

B

Question 143

UFN

Answer 143

Until further notice

Question 144

Above

Answer 144

ABV

Question 145

EH (reason)

Answer 145

Expect higher (reason)

Question 146

Turn right

Answer 146

TR

Question 147

Control Tower

Answer 147

TWR

Question 148

X(fix)110

Answer 148

Cross (fix) at 11000 feet

Question 149

Straight-in

Answer 149

SI

Question 150

Cleared to the airport, back course runway 27 approach

Answer 150

ABC27

Question 151

EHATO

Answer 151

Expect higher after takeoff

Question 152

ASI09

Answer 152

Cleared to the airport, straight-in ILS runway 09

Question 153

AI09

Answer 153

Cleared to the airport, ILS runway 09 approach

Question 154

Cleared to the airport, visual approach

Answer 154

AV

Question 155

Climb not above

Answer 155

CNA

Question 156

ABM

Answer 156

Abeam

Question 157

AK14

Answer 157

Cleared to the March airport, contact approach runway 14

Question 158

Climb from 6000 to 8000

Answer 158

60↗80

Question 159

Request or requested

Answer 159

RQ

Question 160

F

Answer 160

Cleared to an airport (as a geographical)

Question 161

Maintain (followed by altitude)

Answer 161

M (altitude)

Question 162

→

Answer 162

Direct

Question 163

↑

Answer 163

At or Above (not below)

Question 164

UNA

Answer 164

Unable

Question 165

CX

Answer 165

Clearance, Cleared to

Question 166

Clearance Cancelled if not airborne before (time/event)

Answer 166

CC (time/event)

Question 167

Expect approach clearance not later than (time)

Answer 167

EACNL(time)

Question 168

BPOC

Answer 168

Before proceeding on course

Question 169

CNA

Answer 169

Climb not above

Question 170

RD

Answer 170

Report down

Question 171

RE

Answer 171

Report established

Question 172

Report established

Answer 172

RE

Question 173

Report reaching

Answer 173

RR

Question 174

RP

Answer 174

Report passing