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AIM

4/20/23

Appendix 4

12

FAA Form 7233

 International Flight Plan

Include CPDLC codes in Item 10a only if the flight is capable of en route/oceanic CPDLC, the

codes are not required for DCL.

Include Z in Item 10a to indicate there is information provided in Item 18 DAT/.

Include the clearance delivery methods of which the flight is capable, and order of preference in

Item 18 DAT/. (See AIM 5

2

2)

VOICE 

 deliver clearance via Voice

PDC 

 deliver clearance via PDC

FANS 

 deliver clearance via FANS 1/A

FANSP 

 deliver clearance via FANS 1/A+

EXAMPLE

DAT/1FANS2PDC
DAT/1FANSP2VOICE

8. 

Operating in Reduced Vertical Separation Minima (RVSM) Airspace (Item 10a). When planning to fly in

RVSM airspace (FL 290 up to and including FL 410) then file as indicated below.

(a)

 If capable and approved for RVSM operations, per AIM 4

6

1, Applicability and RVSM Mandate

(Date/Time and Area), file a W in Item 10a. Include the aircraft registration mark in Item 18 REG/, which is used
to post

operationally monitor the safety of RVSM operations.

Do not file a “W” in Item 10a if the aircraft is capable of RVSM operations, but is not approved to

operate in RVSM airspace.

If RVSM capability is lost after the flight plan is filed, request that ATC remove the ’W’ from Item

10a.

(b)

 When requesting to operate non

RVSM in RVSM airspace, using one of the exceptions identified in

AIM 4

6

10, do not include a “W” in Item 10a. Include STS/NONRVSM in Item 18. STS/NONRVSM is used

only as part of a request to operate non

RVSM in RVSM airspace.

9. 

Eligibility for Reduced Oceanic Separation. Indicate eligibility for the listed reduced separation minima

as indicated in the tables below. Full Operational Requirements for these services are found in the U.S.
Aeronautical Information Publication (AIP) ENR 7, Oceanic Operations, available at
http://www.faa.gov/air_traffic/publications/atpubs/aip_html/index.html.

TBL 4

14

Filing for Gulf of Mexico CTA

Dimension

of Separa-

tion

Separation

Minima

ADS

C Surveillance

Requirements

Comm. Re-

quirement

PBN Re-

quirement

Flight Plan Entries

ADS

C in

Item 10b

CPDLC in

Item 10a

PBN in Item 18

PBN/

(also File ’R’ in

Item 10a)

PBN in

Item 18

NAV/

Lateral

50 NM

N/A

(ADS

C not

required)

Voice comm

HF or VHF as

required to

maintain con-

tact over the

entire route to

be flown.

RNP10

or

RNP4

N/A

N/A

A1 or L1

N/A

NOTE

If not RNAV10/RNP10 capable and planning to operate in the Gulf of Mexico CTA, then put the notation NONRNP10
in Item 18 RMK/, preferably first.