Phrases & Expressions

To put on an oxygen mask, especially in an emergency.

• In case of emergency, don mask immediately.
• The pilot instructed passengers to don their masks.

To put on oxygen masks, typically in an emergency.

• In case of depressurization, don oxygen masks immediately.
• The pilot instructed everyone to don oxygen masks.

A group of electrodes arranged in a specific pattern for medical or scientific use.

• The electrode array captured detailed data.
• They implanted an electrode array in the brain.

The ability of an aircraft to maintain a safe altitude after one engine fails during extended-range operations.

• Engine out cruise capability is crucial for ETOPS.
• The aircraft demonstrated excellent engine out cruise performance.

To make radio or voice contact with someone, especially in aviation or military work.

• After putting on their oxygen masks, the pilots must establish comms immediately.
• The ground team tried for an hour to establish comms with the ship.

To climb to a higher level faster than normal, usually when told to by ATC.

• ATC asked us to expedite climb to FL300 because of traffic.
• We had to expedite climb to stay clear of the storm.

To turn a propeller's blades edge-on to the airflow so that a stopped engine causes less drag.

• After the engine failed, the pilot had to feather the prop quickly.
• If you feather the prop, the drag from the dead engine drops sharply.

To submit a flight plan for instrument flight rules.

• We will file IFR to avoid weather.
• File IFR if you plan to fly in clouds.

To submit a flight plan for visual flight rules.

• File VFR when weather is good.
• They decided to file VFR.

To maneuver the aircraft according to the instructions from the TCAS Resolution Advisory.

• The pilot must follow the RA immediately.
• Follow the RA to avoid a collision.