AIM 4-1-22

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4-1-22. Airport Reservation Operations and Special Traffic Management Programs

This section describes procedures for obtaining required airport reservations at airports designated by the FAA and for airports operating under Special Traffic Management Programs.

a. Slot Controlled Airports.

1. The FAA may adopt rules to require advance operations for unscheduled operations at certain airports. In addition to the information in the rules adopted by the FAA, a listing of the airports and relevant information will be maintained on the FAA Web site listed below.

2. The FAA has established an Airport Reservation Office (ARO) to receive and process reservations for unscheduled flights at the slot controlled airports. The ARO uses the Enhanced Computer Voice Reservation System (e-CVRS) to allocate reservations. Reservations will be available beginning 72 hours in advance of the operation at the slot controlled airport. Refer to the Web site or touch-tone phone interface for the current listing of slot controlled airports, limitations, and reservation procedures.

The web interface/telephone numbers to obtain a reservation for unscheduled operations at a slot controlled airport are:
2. Touch-tone: 1-800-875-9694 or 703-707-0568. (e-CVRS interface).
3. Trouble number: 703-904-4452.

3. For more detailed information on operations and reservation procedures at a Slot Controlled Airport, please see Advisory Circular 93-1A, Reservations for Unscheduled Operations at slot controlled airports. A copy of the Advisory Circular may be obtained via the Internet at:

b. Special Traffic Management Programs (STMP).

1. Special procedures may be established when a location requires special traffic handling to accommodate above normal traffic demand (e.g., the Indianapolis 500, Super Bowl) or reduced airport capacity (e.g., airport runway/taxiway closures for airport construction). The special procedures may remain in effect until the problem has been resolved or until local traffic management procedures can handle the situation and a need for special handling no longer exists.

2. There will be two methods available for obtaining slot reservations through the ATCSCC: the web interface and the touch-tone interface. If these methods are used, a NOTAM will be issued relaying the web site address and toll free telephone number. Be sure to check current NOTAMs to determine: what airports are included in the STMP; the dates and times reservations are required; the time limits for reservation requests; the point of contact for reservations; and any other instructions.

c. Users may contact the ARO at 703-904-4452 if they have a problem making a reservation or have a question concerning the slot controlled airport/STMP regulations or procedures.

d. Making Reservations.

1. Internet Users. Detailed information and User Instruction Guides for using the Web interface to the reservation systems are available on the websites for the slot controlled airports (e-CVRS),; and STMPs (e-STMP),

2. Telephone users. When using the telephone to make a reservation, you are prompted for input of information about what you wish to do. All input is accomplished using the keypad on the telephone. The only problem with a telephone is that most keys have a letter and number associated with them. When the system asks for a date or time, it is expecting an input of numbers. A problem arises when entering an aircraft call sign or tail number. The system does not detect if you are entering a letter (alpha character) or a number. Therefore, when entering an aircraft call sign or tail number two keys are used to represent each letter or number. When entering a number, precede the number you wish by the number 0 (zero) i.e., 01, 02, 03, 04, . . .. If you wish to enter a letter, first press the key on which the letter appears and then press 1, 2, or 3, depending upon whether the letter you desire is the first, second, or third letter on that key. For example to enter the letter “N” first press the “6” key because “N” is on that key, then press the “2” key because the letter “N” is the second letter on the “6” key. Since there are no keys for the letters “Q” and “Z” e-CVRS pretends they are on the number “1” key. Therefore, to enter the letter “Q”, press 11, and to enter the letter “Z” press 12.

Users are reminded to enter the “N” character with their tail numbers. (See TBL 4-1-4.)

TBL 4-1-4 Codes for Call Sign/Tail Number Input
Codes for Call Sign/Tail Number Input Only
A-21 J-51 S-73 1-01
B-22 K-52 T-81 2-02
C-23 L-53 U-82 3-03
D-31 M-61 V-83 4-04
E-32 N-62 W-91 5-05
F-33 O-63 X-92 6-06
G-41 P-71 Y-93 7-07
H-42 Q-11 Z-12 8-08
I-43 R-72 0-00 9-09

3. Additional helpful key entries: (See TBL 4-1-5.)

TBL 4-1-5 Helpful Key Entries
# After entering a call sign/tail number, depressing the "pound key" (#) twice will indicate the end of the entry.
*2 Will take the user back to the start of the process.
*3 Will repeat the call sign/tail number used in a previous reservation.
*5 Will repeat the previous question.
*8 Tutorial Mode: In the tutorial mode each prompt for input includes a more detailed description of what is expected as input. *8 is a toggle on/off switch. If you are in tutorial mode and enter *8, you will return to the normal mode.
*0 Expert Mode: In the expert mode each prompt for input is brief with little or no explanation. Expert mode is also on/off toggle.
Aeronautical Information Manual (AIM) — Chapter 4 — Air Traffic Control
4-1-1 ARTCCs • 4-1-2 Towers • 4-1-3 FSS's • 4-1-4 Recording • 4-1-5 Release of IFR Aircraft • 4-1-6 Visits to Air Traffic Facilities • 4-1-7 Operation Take-off and Operation Raincheck • 4-1-8 Approach Control Service for VFR Aircraft • 4-1-9 Airports Without Operating Control Towers • 4-1-10. IFR Approaches/Ground Vehicle Ops • 4-1-11 UNICOM/MULTICOM Freqs • 4-1-12 UNICOM for ATC • 4-1-13 ATIS • 4-1-14 AFIS • 4-1-15 RADAR Traffic Service • 4-1-16 Safety Alert • 4-1-17 Radar Assistance to VFR Aircraft • 4-1-18. VFR Terminal Radar Services • 4-1-19 TEC • 4-1-20 Transponders • 4-1-21 Hazardous Area Reporting • 4-1-22 Airport Reservation Ops • 4-1-23 Requests for Waivers • 4-1-24 Weather Processor
4-2-1 General • 4-2-2 Radio Technique • 4-2-3 Contact Procedures • 4-2-4 Call Signs • 4-2-5 Leased Aircraft • 4-2-6. Ground Call Signs • 4-2-7 Phonetic Alphabet • 4-2-8 Figures • 4-2-9 Altitudes • 4-2-10 Directions • 4-2-11 Speeds • 4-2-12 Time • 4-2-13 Radio Inop Comm. • 4-2-14 VFR Comm.
4-3-1 General • 4-3-2 Towered Airports • 4-3-3 Traffic Patterns • 4-3-4 Visual Indicators at Untowered Airports • 4-3-5 Unexpected Maneuvers • 4-3-6. Use of Runways • 4-3-7 LLWS/Microbursts • 4-3-8 Braking Reports • 4-3-9 Runway Friction • 4-3-10 Intersection Takeoffs • 4-3-11 LAHSO • 4-3-12 Low Approach • 4-3-13 Light Signals • 4-3-14 Comms. • 4-3-15 Departure Delays • 4-3-16 VFR Flights • 4-3-17 VFR Helicopter Ops • 4-3-18 Taxiing • 4-3-19 Low Vis. Taxi • 4-3-20 Exiting the Runway • 4-3-21 Practice Approaches • 4-3-22 Option Approach • 4-3-23 Aircraft Lights • 4-3-24 Flight Inspection/`Flight Check' Aircraft in Terminal Areas • 4-3-25 Hand Signals • 4-3-26 Uncontrolled Airports With ASOS/AWOS
4-4-1 Clearance • 4-4-2 Clearance Prefix • 4-4-3 Clearance Items • 4-4-4 Amended Clearances • 4-4-5 CDR • 4-4-6 Special VFR • 4-4-7 Pilot Responsibility • 4-4-8 VFR-on-top • 4-4-9 VFR/IFR • 4-4-10 Adherence to Clearance • 4-4-11 IFR Separation • 4-4-12 Speed Adjustments • 4-4-13 Runway Separation • 4-4-14 Visual Separation • 4-4-15 Visual Clearing Procedures • 4-4-16 TCAS I & II • 4-4-17 TIS
4-5-1 Radar • 4-5-2 ATCRBS • AIM 4-5-34-5-3 Surveillance Radar • 4-5-4 PAR • 4-5-5 ASDE-X • 4-5-6 TIS • 4-5-7 ADS-B • 4-5-8 TIS-B • 4-5-9 FIS-B • 4-5-10 ADS-R
4-6-1 RVSM Mandate • 4-6-2 • Flight Levels • 4-6-3 Operator Approval • 4-6-4 Flight Planning into RVSM • 4-6-5 Pilot RVSM • 4-6-6 MWA • 4-6-7 Wake Turbulence • 4-6-8 Pilot/Controller Phraseology • 4-6-9 Contingency Actions • 4-6-10 Accommodation of Non-RVSM • 4-6-11 Climb/Descent to/from Flight Levels Above RVSM