Blog - Veritable Aviation by - Page 6

Gyroscopic instruments are common to aircraft, and they include those such as attitude indicators, heading indicators, and turn indicators. Such flight instruments garner their measurements with the use of a mechanical gyroscope, that of which is a device that may measure orientation and angular velocity through a wheel or disc placed on a free rotational axis. When used for aviation, gyroscopic instruments are either electrically or vacuum driven, though some modern installations have since begun using laser gyros.  Read more >>

A propelling nozzle is a nozzle that converts the internal energy of a working gas into a propulsive gas. The presence of a nozzle, which forms a jet, is what differentiates a jet engine from a gas turbine engine. Depending on an engine’s power setting, the nozzle’s internal shape, and the pressure at entry & exit of the nozzle, propelling nozzles can accelerate gases to subsonic, transonic, or supersonic speeds. The internal shape of a jet engine can be convergent or convergent-divergent (C-D). C-D nozzles can accelerate the jet to supersonic velocities within their divergent section, while convergent nozzles can only accelerate the jet to sonic speeds. Read more >>

Emergency locator transmitters, or ELTs, are carried on nearly all general aviation aircraft in the United States. Should an accident occur, the ELT is designed to transmit a distress signal on the 121.5 and 243.0 MHz frequencies. New ELTs can also transmit signals on the 406 MHz frequency. Per a congressional mandate from 1973, ELTs are required to be affixed on nearly all civil aircraft registered in the United States, including general aviation aircraft. Read more >>

While flying during daylight hours allows pilots to use both visual references from outside the windshield and instrument readings to conduct standard operations, night flying can open up more complexity. When pilots need to rely on visuals from out of the windshield during night hours, they need to use a Night Vision Imaging System (NVIS). NVISs can be highly beneficial for increasing visibility, but they can also create safety hazards if the equipment is incompatible with the aircraft, hasn't been set up properly, or if flight crews are unable to operate such systems correctly. In this blog, we will discuss some of the common factors that affect the safety of NVIS use, allowing you to enact the proper measures during such operations. Read more >>

In the days before electronic flight displays and modern flight instruments, distance measuring equipment (DME) served as a critical asset for conducting flight. As a radio system that could determine the distance between an aircraft and a VOR station, DME helped many pilots navigate much easier and safer. As the electronic flight display and modern flight instruments became more common, however, the original DME system quickly became outdated and the term eventually spread to include any navigation system that could provide accurate distance measurements to stations. Read more >>