Semua perintah yang diterima oleh juru mudi harus diulang dua kali; sekali ketika pesanan diterima dan sekali lagi ketika pesanan telah dilakukan. Hal ini untuk memastikan bahwa juru mudi telah memahami dan menjalankan perintah dengan benar.
Berikut adalah beberapa pesan perintah kemudi standar yang diambil dari daftar Standard Marine Communication Phrases (SMCP):
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Order
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Meaning
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Midships
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Rudder to be held in the fore and aft position
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Port five
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5° of port rudder to be held.
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Port ten
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10° of port rudder to be held.
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Port fifteen
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15° of port rudder to be held.
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Port twenty
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20° of port rudder to be held.
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Port twenty-five
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25° of port rudder to be held.
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Hard-a-port
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Rudder to be held fully over to port.
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Starboard five
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5° of starboard rudder to be held.
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Starboard ten
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10° of starboard rudder to be held.
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Starboard fifteen
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15° of starboard rudder to be held.
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Starboard twenty
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20° of starboard rudder to be held.
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Starboard twenty-five
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25° of starboard rudder to be held.
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Hard-a-starboard
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Rudder to be held fully over to starboard.
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Ease to five
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Reduce amount of rudder to 5° and hold.
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Ease to ten
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Reduce amount of rudder to 10° and hold.
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Ease to fifteen
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Reduce amount of rudder to 15° and hold.
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Ease to twenty
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Reduce Amount of rudder to 20° and hold.
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Steady
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Reduce swing as rapidly as possible.
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Steady as she goes
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Steer a steady course on the compass heading indicated at the time of the order. The helmsman is to repeat the order and call out the compass heading on receiving the order. When the ship is stead on that heading, the helmsman is to call out: “Stead…”
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Setiap perintah mesin yang diberikan harus diulangi oleh orang yang mengoperasikan telegraf di anjungan dan petugas jaga harus memastikan bahwa perintah tersebut dilakukan dengan benar dan segera.
Di bawah ini adalah beberapa pesanan mesin standar dari manual SCMP.
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Order
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Meaning
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Full ahead
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Maximum manoeuvring engine revolutions for ahead propulsion.
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Half ahead
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Revolutions as indicated in ship’s orders.
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Slow ahead
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Revolution as indicated in ship’s orders.
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Dead slow ahead
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Revolutions as indicated in ship’s orders.
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Stop engine/s
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No engine revolutions.
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Dead slow astern
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Revolutions as indicated in ship’s orders.
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Slow astern
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Revolutions as indicated in ship’s orders.
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Half astern
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Revolutions as indicated in ship’s orders.
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Full astern
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Revolutions as indicated in ship’s orders.
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Emergency full ahead/astern
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Revolutions as indicated in ship’s orders.
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Stand by engine
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Engine-room personnel fully ready to manoeuvre and bridge manned with personnel to relay engine orders.
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Finished with engines
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Movement of engineer/s no longer required.
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Order
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Meaning
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Bow thrust full/half to port
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Ship’s head to move to port with power as specified.
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Bow thrust full/half to starboard
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Ship’s head to move to starboard with power as specified.
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Stern thrust full/half to port
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Ship’s stern to move to port with power as specified.
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Stern thrust full/half to starboard
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Ship’s stern to move to starboard with power as specified.
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Bow/stern thrust stop
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No bow/stern thrust revolutions.
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Ketika petugas jaga membutuhkan arah yang harus dikemudikan oleh kompas, arah putaran kemudi yang diinginkannya harus dinyatakan diikuti dengan setiap angka yang diucapkan secara terpisah, termasuk nol.
Pada saat menerima perintah untuk mengarahkan, misalnya, 182°, juru mudi harus mengulanginya dan membawa kapal berputar dengan mantap ke arah yang diperintahkan. Ketika kapal sudah stabil di jalur yang diperintahkan, juru mudi harus memanggil:
“Tetap pada satu delapan dua”
Officer jaga yang memberi perintah harus mengulangi dan mengetahui panggilan juru mudi.
Jika diinginkan untuk mengarahkan pada tanda yang dipilih, juru mudi harus diperintahkan untuk:
“Mengarahkan…buoy…(tandai)…(suar)”
Juru mudi harus mengulangi perintah dan ketika mantap pada sasaran, panggil:
“Tetap di…buoy…(tandai)…(suar)”
Officer jaga yang memberi perintah harus mengulangi / mengetahui panggilan juru mudi.