Category Archive: NASA / Aerospace

JAL Increases 787 Order, Adds -9s | AVIATION WEEK

A Japan Airlines 777-300 comes in for landing at LAX in 2011.  Photo: Chuck Slusarczyk Jr. - OPShots.net

Japan Airlines has boosted its Boeing 787 order to 45 aircraft, with a new deal for 10 787-9s and the conversion of 10 of its existing 787-8 orders to -9s. The total 787 order now consists of 25 787-8s, and 20 -9s, with another 20 options. The 787-9s are set to enter service from 2015, …

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Contrail Simulations and how the winds aloft affect what you see – Contrail Science

Contrails_C17_KCLE_06Nov11_CSlusarczyk

One often gets satellite images of contrails and it’s hard to visualize what’s going on, especially with racetrack contrails drifting in the wind. So I wrote a little simulator applet to demonstrate the formation of a contrail under various conditions. I have just updated this applet to display contrail grids by default. There are just …

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1980 NBC News Report on Contrails – Contrail Science

Crossing two older contrails, this US Air Force C-17A is helping make clouds where there were none.  The video shows an interesting 1980 perspective on the phemomena.  Photo:  Chuck Slusarczyk Jr. - OPShots.net

This news report is from 1980.It’s based on this research paper:EFFECT OF CONTRAIL CIRRUS ON SURFACE WEATHER CONDITIONS IN THE MIDWEST.  It’s interesting because it shows that back in 1980 people were noticing contrails persisting and spreading to cover the whole sky. At that point people had even noticed it contributed to increased cloudiness.This is …

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DOT To Dismantle BARR Program | AVIATION WEEK

Business and general aviation aircraft will be the most effected by this move.  Photo:  Chuck Slusarczyk Jr. - OPShots.net

In the face of strong industry opposition and proposed congressional language, the U.S. Transportation Department (DOT) is moving ahead with a proposal to provide public access to most business aircraft tail numbers via flight-tracking services. The change, to go into effect in about 60 days, essentially dismantles the Block Aircraft Registration Request (BARR) program, which …

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