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DA42 MPP Geostar

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All-in-one solution for Geo Survey and Mapping

Diamond Aircraft, known for the most efficient aircraft in the industry and state-of-the-art remote sensing solutions, puts another Diamond in the sky. For the first time, the new DA42 GEOSTAR enables collecting laser-scanning and photo-grammetry data during one single flight. The GEOSTAR is particularly suited for surveying cities, land areas, critical infrastructure (such as pipelines), glaciers or snow fields, but also for mapping damages caused through natural disasters.

Source: DA42 MPP Geostar

AIRBUS Adverse Weather Operations Windshear Awareness

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via AIRBUS Adverse Weather Operations Windshear Awareness — Egyptianaviators

KEY  FACTOR : 

Flight crew awareness and alertness are key factors in the successful application of windshear avoidance and escape / recovery techniques. This Flight Briefing Note provides an overview of operational recommendations and training guidelines for aircraft operation in forecast or suspected windshear or downburst conditions.

REAL DATA : 

Adverse wind conditions (i.e., strong cross winds, tailwind and windshear) are involved in more than 30 percent of approach-and-landing accidents and in 15 percent of events involving CFIT. Windshear is the primary causal factor in 4 percent of approach-and-landing accidents and is the ninth cause of fatalities.

Defining Windshear : 

Windshear is defined as a sudden change of wind velocity and/or direction.
Windshear occurs in all directions, but for convenience, it is measured along vertical and horizontal axis, thus becoming vertical and horizontal windshear:

Vertical windshear: − Variations of the horizontal wind component along the vertical axis, resulting in turbulence that may affect the aircraft airspeed when climbing or descending through the windshear layer − Variations of the wind component of 20 kt per 1000 ft to 30 kt per 1000 ft are typical values, but a vertical windshear may reach up to 10 kt per 100 ft.
 Horizontal windshear: − Variations of the wind component along the horizontal axis (e.g., decreasing headwind or increasing tailwind, or a shift from a headwind to a tailwind) − Variations of wind component may reach up to 100 kt per nautical mile.
Windshear conditions usually are associated with the following weather situations:

• Jet streams • Mountain waves • Frontal surfaces • Thunderstorms and convective clouds • Microbursts.

MICROBURSTS:

 Microbursts combine two distinct threats to aviation safety :cof

• The downburst part, resulting in strong downdrafts (reaching up to 6000 ft/mn of vertical velocity) •

The outburst part, resulting in large horizontal windshear and wind component shift from headwind to tailwind (horizontal winds may reach up to 45 kt).

Windshear and Aircraft Performance :

Headwind gust instantaneously increases the aircraft speed and thus tends to make the aircraft fly above intended path and/or accelerate ( item 1).

. A downdraft affects both the aircraft Angle-Of-Attack (AOA), that increases, and the aircraft path since it makes the aircraft sink ( item 2).

Tailwind gust instantaneously decreases the aircraft speed and thus tends to make the aircraft fly below intended path and/or decelerate ( item 3).

NOTE: 
Windshears associated to jet streams, mountain waves and frontal surfaces usually occur at altitudes that do not present the same risk than microbursts, which occur closer to the ground.

KEY FACTOR : Flight crew awareness and alertness are key factors in the successful application of windshear avoidance and escape / recovery techniques. This Flight Briefing Note provides an overview of operational recommendations and training guidelines for aircraft operation in forecast or suspected windshear or downburst conditions. REAL DATA : Adverse wind conditions (i.e., strong […]

via AIRBUS Adverse Weather Operations Windshear Awareness — Egyptianaviators

The 7 Hardest Parts About Becoming A Private Pilot 

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Everyone knows that crosswind landings are usually challenging for student pilots. But beyond landings (and money!), there’s a lot about learning to fly that can be pretty tough. Here’s what you should be ready for.

The 7 Hardest Parts About Becoming A Private Pilot

By Swayne Martin

Everyone knows that crosswind landings are usually challenging for student pilots. But beyond landings (and money!), there’s a lot about learning to fly that can be pretty tough. Here’s what you should be ready for…

1) Aircraft Systems
One of the toughest topics for private pilot students is aircraft systems. As less and less people grow up working on cars or around machinery, there’s diminishing knowledge behind what makes that engine turn.Want to know more about the systems and equipment in your aircraft? Dig into your POH and read section 7. Better yet, find a local A&P at your airport and have them walk you through a few systems with the cowling off. Getting hands-on with the equipment behind closed panels is a great way to learn how your airplane flies.

2) The National Airspace System
It’s more than identifying lines of airspace on a sectional chart. You’ll need to know what weather minimums exist at different altitudes (day and night), what your equipment requirements are, and what your communication requirements are.
We can help – give our National Airspace System course a try.

3) Learning Regulations
There are hundreds of FAA Regulations that govern how, where, and when you can fly. Some of them can be pretty confusing. As a student pilot, you’re just as responsible for adhering to the FARs as any fully certificated pilot. Keep yourself out of trouble and learn those regs!

4) Aerodynamics
A huge part of learning to fly is understanding the physics behind how it all works. But how can a strong foundation of aerodynamics save your life? One simple example is the lift to drag ratio for your airplane. At L/D max, or the best lift to drag ratio, you’ll find an approximate best glide speed.

5) Decoding Textual Weather
Whether it’s a METAR or PIREP, it’s your responsibility as a pilot to maintain your skills for decoding textual weather.
Need a refresher? Give our Aviation Weather Products course a try.

6) “Radio Talk”
Learning how to actively listen for your callsign in busy airspace with dozens of airplanes on-frequency is tough. Adding that to learning the correct verbiage provides quite the task for brand new student pilots. Here are some things you shouldn’t say over the radio.

7) Getting Into “School Mode”
First and foremost, getting your brain into a “school mode” can be tough, especially if you haven’t sat in a formal classroom setting in years. Learning to fly is undoubtedly fun, but there’s also a lot of work outside the cockpit.

Microlight Trikes Active Recreation by GleBB

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Travel and active recreation. Photo outdoors. Series « Travel, nature and active recreation». Landscape. The natural lighting. via 500px http://ift.tt/2jIMd2B

via Popular on 500px : Microlight trikes _ active recreation by GleBB — Photo Snapping

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