Table 3 The descriptions of selected 6 categories maneuvering instructions

From: Integrating spoken instructions into flight trajectory prediction to optimize automation in air traffic control

No.

Intents

Descriptions

Example

1

ALT_ADJ

The instruction indicates the altitude changes.

Air China nine three one climb maintain one two thousand two hundred meters

2

OFFSET

The instruction indicates the offset of the track.

Qatari eight four seven four offset three miles right of the track due to weather

3

CANOFF

The instruction indicates cancel offset.

Loulan two six one six can cancel offset

4

FLYTO

The instruction indicates direct to the waypoint.

Dynasty five nine nine seven direct to marso

5

SPD_ADJ

The instruction indicates speed changes.

West China six two five tree increase speed mach point seven six

6

HEAD_ADJ&FLYTO

The instruction indicates heading changes.

Sichuan eight seven four five turn left direct to ubdid