Make sure that the generator operates smoothly.

In the pressure control portion of air conditioning system, the pressure, proportional to the flow, is transmitted to an amplifier that converts it to voltage

Chapter 21 may refer to supplier data, furnished with the aircraft, in lieu of the following sections -00 through-70, as applicable.

One safety precautions in refueling is that do not let the tanker go near the aircraft until the anti-collision lights have been set to OFF.

"No-step" areas or walkways leading to any tank in a wing or hull, with necessary precautions, shall be indicated. On some aircraft, a black point strip shows the NO STEP areas. The position of the English or bilingual markings permits to read them when you go near the aircraft from either the front or the rear.

Put the aircraft in position on a flat surface with the mooring points and make sure it is parked into the wind and the wheel of the nose landing gear is on the aircraft axis.

One of the cautions on mooring: THE LAST FEET OF ALL TAXIING AND TOWING OPERATIONS MUST BE IN A STRAIGHT LINE. THIS IS TO PREVENT FORCE ON THE TIRES AND THE MAIN LANDING GEAR.

The title "Time Limits and Inspection Program" is about those manufacturer recommended time limits for inspections, maintenance and overhaul of the aircraft, its systems and units, and life of parts, as applicable.

Airworthiness Limitations may also be included as part of the Pilot＇s Operating Handbook Limitations Section, or be included as a reference therein.

The Airworthiness Section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

When the chapter/system element number is followed with zeros in the section/subsystem and subject/unit element number (28-00-00), the information is applicable to the entire system.