Stylised North Atlantic route map centred on IcelandNL / GUIDE 02
All training

North Atlantic / Operational

Oceanic procedures

Across the ocean, precision replaces the comfort of constant radar coverage.

8 minSELF-PACEDGUIDE 02 / 07
02Northline Training
Field guide

Operational brief

Across the ocean, precision replaces the comfort of constant radar coverage.

The structure and discipline behind a North Atlantic crossing: route validation, clearances, communications, position reports and contingencies.

On completion

01Read an oceanic routing correctly
02Prepare a concise position report
03Respond safely when the plan changes

01 / Route structure

Understand every coordinate before you load it.

A North Atlantic flight may use the organised track system or a random routing. Do not assume that a published track is automatically the correct route for your direction, altitude or operating time.

Compare the operational flight plan, filed route and FMS entry waypoint by waypoint. Check coordinates as complete latitude and longitude pairs and verify the oceanic entry and exit points against the current chart and clearance.

  • Confirm route direction and validity period
  • Check the requested flight level and speed
  • Independently verify coordinates after loading

02 / Clearance

A clearance is a contract, not a suggestion.

When oceanic control is online, follow the controller’s published clearance process and request timing. Record the clearance before reading it back; do not rely on memory for coordinates, level or speed.

Resolve any difference between the filed plan, the FMS and the clearance before entering oceanic airspace. On VATSIM, the active controller’s instructions and local procedures take precedence over this overview.

03 / Communications

Say only what the next controller needs.

Monitor the assigned frequency and communication method. Where voice position reports are required, prepare the report before transmission so coordinates and estimates are delivered without hesitation.

A conventional report identifies the callsign, present position and time, flight level, next position with estimate, and the following significant point. Use the exact format requested by the controller or local procedure.

Pilot

Iceair six eight one, position five zero north zero three zero west at four two, flight level three six zero.

Pilot

Estimating five two north zero four zero west at two seven, next five three north zero five zero west.

04 / Monitor and respond

The crossing is managed all the way across.

Check actual fuel and time against the plan at regular intervals. Watch for gross navigation errors, unexpected mode changes and a waypoint sequence that does not match the cleared route.

For weather deviation, communication failure or an inability to maintain the clearance, use the current NAT contingency procedure. Do not invent an offset or altitude change from memory—open the current procedure and communicate as soon as possible.

  • Verify track and distance after every waypoint
  • Record position and fuel checks
  • Keep the current contingency procedure immediately available

Release to line

Five checks.
Then fly.

01

Current NAT Doc 007 available

02

Oceanic route independently cross-checked

03

Entry point, level and speed confirmed

04

Communication method and frequencies prepared

05

Position-report template and contingency page open

Primary references

Go to the
source.

01
ICAONorth Atlantic Operations and Airspace Manual, Edition 2026
02
VATSIMVATSIM Code of Conduct

Operational details change. Verify revision dates and use current charts, aircraft documentation and active ATC instructions for every flight.

Next guide / 03

Cold-weather operations

In winter, a clean aircraft and an honest performance calculation come first.

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