Tighten the nuts, but keep them sufficiently loose to remove them with your hand.

"Towing and Taxiing" shall include equipment and materials required such as towing vehicles, tow bars, towing cables, etc..

"Towing and Taxiing" also includes those instructions necessary to tow or push the aircraft in normal or abnormal conditions such as towing from soft ground and slippery or icy surfaces, with engines removed, or aircraft damaged.

Illustrations showing location of attachment points, turining radius, etc. , shall be included.

It is under the tilte "Towing and Taxiing" that the instructions necessary to tow and taxi the aircraft in any of the probable conditions to which it may be subjected.

"Electrical Power" describes those electrical units and components which generate, control and supply AC and/or DC electrical power for other systems, including generators and relays, inverters, batteries, etc. , through the busses.

The AC electrical power distribution on board is carried out in several steps: from the different sources towards the main AC busbars; then, from the main AC busbars, either directly towards important consumers (pumps, galleys...), or towards the associat

AC GENERATION includes items such as inverters, AC generators, control and regulating components, indicating systems, etc., all wiring to but not including main buses, as applicable.

Electrical Power system is about units and components which generate, control and supply AC and/or DC electrical power for other systems, including generators and relays, inverters, batteries, etc.

Audio Integrating controls the output of communications and navigation receivers into the flight crew headphones and speakers, and the output of the flight crew microphones into the communications transmitters.

Speech communication utilizes voice modulated electro-magnetic waves to transmit and/or receive messages from air-to-air or air-to-ground installations.