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All About Altimeters

All About Altimeters

 

General Information

The altimeter provides the basic function of indicating to the pilot the altitude of the aircraft above mean (average) sea level (MSL).  The indicator is normally a 31/8” size dial face with multiple pointers or a combination of pointers and counter drum. Location of this indicator is typically in the top row of instruments near the center of the instrument panel. In a standard “T” configuration panel the altimeter is just to the right of the attitude gyroscope.

 

Types of Altimeters

The various types of altimeters include:

  1. Three pointer altimeter
  2. Counter Drum Altimeter
  3. Encoding Altimeter

Typical altimeter ranges are:

  1. –1000 Ft. to +20,000 Ft.
  2. –1000 Ft. to +35,000 Ft.
  3. –1000 Ft. to +50,000 Ft.
  4. –1000 Ft. to +80,000 Ft.

 

Most general aviation altimeters will fall into the first two ranges. Ranges above 35,000 Ft. are typically corporate jets, commercial aircraft, and military aircraft.

 

Three Pointer Altimeter

The three-pointer altimeter is the most common type of instrument used in general aviation. It is named as such because it utilizes three pointers in order to display the current altitude. One pointer is used to display 100 Ft. increments. A second pointer is used to display 1000 Ft. increments and the third pointer displays 10,000 Ft. increments. The Technical Information Section of this document provides instructions on how to properly read a three-pointer altimeter.

 

Counter Drum Altimeter

The counter-drum altimeter is named as such because it displays altitude utilizing a single pointer and a rotating drum that displays digits. The drum displays ten thousand and one thousand foot increments. The pointer displays from 0 to 999 feet.

 

Encoding Altimeter

An encoding altimeter can be of either the three-pointer or counter drum type of altimeter with an encoding module built into it. The encoding module takes the altitude information and converts that data into a digital code. This code is then sent via a set of wires to the aircraft transponder. A transponder is a radio device that reports the aircraft altitude to ground control radar.

 

Blind Encoder

The blind encoder is a very special type of altimeter. This unit has no dial or read out that is visible to the user. It has only an electronic output to the aircraft transponder. The use of a standard altimeter in conjunction with a blind encoder is often more economical than purchasing an encoding altimeter.

 

TGH Aviation Looks to The Future

TGH Aviation Looks to the Future
Auburn, CA , October 29, 2015

 

Back in 1957, a small aviation company was born, originally named The Gyro House. Fast forward almost 60 years later, The Gyro House has evolved into what is now known as TGH Aviation with almost 40 full time employees under its belt.

Aviation industries always have to keep their eyes on innovation. With that in mind, TGH Aviation is looking to the future with some exciting developments in place today, and in the future!

First, TGH has promoted long time employee Hilary Coury to manage both the Sales and Marketing Departments. Mrs. Coury has worked with TGH for over 6 years and brings a lot of experience and expertise to the position! Mrs. Coury is aggressively making strides to expand the role TGH Aviation plays in today’s aviation landscape making sure that customers, old and new, know what the growing capabilities are and that TGH Aviation is the first company you think of for avionics repair.

As Mrs. Coury has expanded her duties, she has also expanded the marketing department, hiring two new employees to help usher TGH into a new era. The new Marketing Coordinator, Christine Short, brings with her decades of experience marketing for radio stations across the country. Mrs Short has been tasked with expanding name recognition of TGH Aviation through social media, email and print. Elizabeth Tucciarone is fielding a completely new position for TGH, Online Marketing Coordinator. Ms. Tucciarone is responsible for creating a completely new, from the ground up ecommerce site that will feature all of the avionics merchandise sold through TGH Aviation. Ms. Tucciarone has almost a decade of experience creating compelling imagery for web and print.

In addition to exciting new management, TGH recently sought and received approval from Senior Aerospace/Ketema to service their entire line of fuel system components. An increasing demand forGPS enabled equipment inspired TGH to also incorporate functional testing, evaluation, and repair for Garmin’s 430/530 GPS/Nav/Comm units. Typically, a flat rate fee is required when dealing directly with the OEM for these panel-mounted units. TGH tackled the opportunity to resolve simple fixes more cost-effectively, with the purchase of innovative test equipment. Similar strategies were utilized when TGH recently established repair services for the KRA10A/KRA405B radar altimeters, and TDR90 transponders.

As TGH Aviation looks to the future, their laser sharp focus on their customers continues to be priority number 1.   As one of the most trusted and respected Part 145 Repair Stations in the industry today, TGH strives to create a great customer experience each and every time. The company offers nearly 20,000 service capabilities, including the repair of primary flight instruments, avionics, aural warning systems, fuel flow transmitters, and their related indicators and refueling sensors. For a complete list of capabilities, go to www.tghaviation.com for more information.

Contact: Christine Short
Tel. 530-823-6204
Email: Christine.short@tghaviation.com

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