Antennas - VOR in particular

I have flown mostly in 172s that all have two communication radios and two navigation radios. I have been accustomed to noting that there were two communication radio antennas on top of the aircraft and what I thought were two navigation radio antennas in a V-shape on the vertical stabilizer, i.e. one antenna for each Nav radio. A few weeks back I was looking at a 152 and its antennas. The 152 had one comm radio and one nav radio. Correspondingly it had only one comm antenna mounted on top of the aircraft but it still had the two antennas on the vertical stabilizer in a V-shape. I originally thought that maybe these antennas were installed in the case that an additional nav radio might be installed. After doing some additional research I found that the V shaped antenna is actually not two separate antennas but one antenna called a dipole. The dipole is a specific design for an antenna that consists of two identical elements that are joined in the center and feed a single radio or in the case of the 172s with two nav radios the antenna feeds both nav radios.

Comm Antennas

Nav Antennas

What is missing?

As part of the pre-flight you open the access door in the engine cowling to check the oil quantity and quality. As you glance in to the engine compartment you see this picture. Is there something wrong?

FAR AIM 2014

The 2014 FAR AIM has been recently published. So what has changed? Honestly, not much. For the typical GA pilot, there were little if no changes in part 61 or part 91 since the 2013 version. Same can be said for the AIM section. The most intriguing question is what do you think of the cover picture? Old school paint job on the plane but some cool background.