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6/17/21 

AIM 

[References are to page numbers] 

ARFF (Aircraft Rescue and Fire Fighting) Emergency 

Hand Signals, 6

5

ARFF (Aircraft Rescue and Fire Fighting) Radio Call 

Sign, 6

5

Arresting Devices, Aircraft, 2

3

30 

ARSR. 

See

 Air Route Surveillance Radar 

ARTCC. 

See

 Air Route Traffic Control Centers 

ASDE

X. 

See

 Airport Surface Detection 

Equipment

Model X 

Ash, Volcanic, 7

6

ASOS. 

See

 Automated Surface Observing System 

ASR. 

See

 Airport Surveillance Radar; Surveillance 

Approach 

ASSC, 4

5

ATCRBS. 

See 

Air Traffic Control Radar Beacon 

System 

ATCT. 

See

 Control Towers 

ATIS. 

See

 Automatic Terminal Information Service 

Attitude Heading Reference System (AHRS), 1

1

19 

Authority, Statutory, 1

1

Automated Surface Observing System (ASOS), 4

3

32, 

7

1

26 

Automated Weather Observing System (AWOS), 

4

3

32, 7

1

23, 7

1

26 

Automatic Altitude Reporting, 4

1

16 

Automatic Dependent Surveillance

Broadcast Services, 

4

5

14 

Automatic Dependent Surveillance

Rebroadcast, 

4

5

22 

Automatic Flight Information Service (AFIS) 

 Alaska 

FSSs Only, 4

1

Automatic Terminal Information Service, 4

1

AWOS. 

See

 Automated Weather Observing System; 

Automated Weather Observing System (AWOS) 

Balloons, Unmanned, 7

6

Free, 3

2

Beacon 

Aeronautical Light, 2

2

Code, 2

2

Marker, 1

1

14 

Nondirectional Radio, 1

1

Beacons, Airport/Heliport, 2

1

12 

Bird 

Bird Strike 

Reduction, 7

5

Reporting, 7

5

Hazards, 7

5

Migratory, 7

5

Bird/Other Wildlife Strike Reporting, Form. 

See 

Appendix 1 

Braking Action Advisories, 4

3

13 

Braking Action Reports, 4

3

13 

Briefing, Preflight, 7

1

Call Signs 

Aircraft, 4

2

Ground Station, 4

2

Carbon Monoxide Poisoning, 8

1

CAT. 

See

 Clear Air Turbulence 

CDR. 

See

 Coded Depature Route 

Changeover Points, 5

3

19 

Charted Visual Flight Procedures, 5

4

63 

Charts, Aeronautical, 9

1

Class A Airspace, 3

2

Definition, 3

2

Operating Rules, 3

2

Pilot/Equipment Requirements, 3

2

Class B Airspace, 3

2

ATC Clearances, 3

2

Definition, 3

2

Flight Procedures, 3

2

Mode C Veil, 3

2

Operating Rules, 3

2

Pilot/Equipment Requirements, 3

2

Proximity Operations, 3

2

Separation, 3

2

VFR Transition Routes, 3

5

Class C Airspace, 3

2

Air Traffic Services, 3

2

Aircraft Separation, 3

2

Definition, 3

2

Operating Rules, 3

2

Outer Area, 3

2

Pilot/Equipment Requirements, 3

2

Index 

I