Below is the current errata list for this textbook. These errata will be corrected in the next edition.


Page 97 Question No 32.  The answer to this question has been expanded with further comment as follows-

'A centre zero ammeter indicates the current flowing to [or from] the battery.  During normal operation it tells you nothing about the drain going to the other electrical loads.  The fact that it read 5 amps before the alternator failure would tell you nothing about how long the battery will last.  After the failure however, it would indicate the current flowing from the battery to the system.  That figure would be an indication of the time the battery will last'.


Page 3.16. Fig. 3.14:  The diagram shows best economy before peak EGT.  Even though that is the case for some engines, some students are assuming that it applies to all engines.  That is not the case.  Some engines achieve best economy at peak EGT or even slightly lean of peak.  The image showing peak EGT has been removed from the diagram to avoid any confusion.


Page 1.13 Fig. 1.25: The label "Swept Volume" has been added between the two cylinders. For more information see this forum post.


Page 3.1: Add the following sentence to the end of the last paragraph on this page:

"Some aircraft have been approved to use normal motor car fuel, which is referred to as MOGAS. It is dyed red."


Page 4.12: Some prints have an incomplete paragraph just before Figure 4.14. If that applies to your copy, the final part of that paragraph should read:

"This removes the need for dangerous high tension leads to be brought into the cockpit by allowing the pilot to switch on the heavy circuit remotely. Most light aircraft use relays to switch on the main battery power and to operate the starter motor."

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