Thanks to Rising Wings Aviation Channel, here is a very interesting video on airplane navigation aids (NAVAIDs) such as VOR (Very high frequency Omnidirectional radio Range), and how to use the OBS (Omni Bearing Selector) knob both on CDI (Course Deviation Indicator), and VOR; DME (Distance Measuring Equipment); VOR/DME; TACAN (Tactical Air Navigation); VOT (VOR Test facility); and VORTAC (co-located VOR & TACAN beacon):
NASA Langley Research Center in Hampton, Virginia – New energy-efficient airplanes could be designed. Researchers work on designs for viable commercial aircraft which could leave a low to zero carbon footprint.
In order to save jet fuel, they look at new concepts, processes, and designs that could be lighter. They try to reduce drag, and they try to increase the propulsive efficiency. For this purpose, they try to get rid of metallic airframes, and parts as often as possible.
For instance NASA has a newer composite 10 percent lighter than carbon fiber composite. This advanced material is called « Pultruded rod stitched efficient unitized structure » or PRSEUS.
The new sleeker designs look like large wings without any traditional tube-shaped fuselage in the central part since it is blended with the wings. These futuristic designs are more fuel efficient as the more lift the plane has, the less it consumes fuel.
The researchers also look at new energy sources as it is showed in this video, and in the end there is further information about the NextGen project which could save fuel too, thanks to this new form of air traffic management:
Excerpts of President Franklin Delano ROOSEVELT’s address on D-Day:
My fellow Americans,
Last night, when I spoke with you about the fall of Rome, I knew at that moment that troops of the United States and our allies were crossing the Channel in another and greater operation. It has come to pass with success thus far, and so, in this poignant hour, I ask you to join with me in prayer.
Almighty God, our sons, pride of our nation, this day have set upon a mighty endeavor, a struggle to preserve our republic, our religion, and our civilization, and to set free a suffering humanity. Lead them straight, and true. Give strength to their arms, stoutness to their hearts, steadfastness in their faith.
They will need thy blessings. Their road will be long and hard for the enemy is strong. He may hurl back our forces. Success may not come with rushing speed, but we shall return again and again, and we know that by thy grace, and by the righteousness of our cause, our sons will triumph.
They will be sore tried by night, and by day, without rest until the victory is won. The darkness will be rent by noise and flame. Men’s souls will be shaken with the violences of war, for these men are lately drawn from the ways of peace. They fight not for the lust of conquest. They fight to end conquest. They fight to liberate. They fight to let justice arise, and tolerance and goodwill among all thy people. They yearn but for the end of battle, for their return to the haven of home. With thy blessing, we shall prevail… Over the unholy forces of our enemy.
Help us to conquer the apostles of greed and racial arrogances. Lead us to the saving of our country, and with our sister nations into a world unity that will spell a sure peace – a peace invulnerable to the schemings of unworthy men. And a peace that will let all of men live in freedom, reaping the just rewards of their honest toil. Thy will be done, Almighty God.
The Lockheed Martin / Boeing F-22 Raptor 5th-generation fighter aircraft is a supermaneuverable, or rather a HiMAT – Highly Maneuverable Aircraft Technology – fighterjet which can shoot the enemy before they even see it thanks to its cutting-edge stealth technology:
According to the CBS news video report below, F-22 pilots would have stopped flying 5th-generation F-22 Raptor for they would have reported HH (Health Hazards) incidents onboard the most advanced fighter aircraft in the U.S. Air Force, and the most expensive ever.
« The F-22 has been plagued by a mysterious flaw that causes its pilots to become disoriented while at the controls, from a lack of oxygen. »
Thanks to this interview, we now know that a pilot would have touched a tree while flying an F-22 as he may have been suffering from hypoxia (oxygen deficiency in body tissue). Some other pilots reported dizziness, vertigo, and coughing spell.
« The Air Force launched an investigation that focused on the plane’s On-Board Oxygen Generating System, or OBOGS which takes air from outside the jet, passes through the engine, and through a chemical process to produce a concentrated oxygen that the pilot breathes – Watch the video: