Aeronautical Engineering/Expert Profile

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SMALL & LARGE PLANES - Aeronautics, Aerodynamics, Designing, Fabricating, Trouble shooting, Repairs, Flight testing, Fluid & Pneumatic controls, Engines, Propellers, Sheet metal, Rivets, Electronics, Fabric, Schools, Career choices, Aircraft systems.

Experience in the area

FAA certified commercial pilot FAA certified (A&P) Air-frame & Power-plant mechanic Aeronautical Engineer - University of Anchorage (Alaska) High school instructor, computers, robotics and aviation Current president of EAA chapter 837 (Payette, ID) Past Director of Maintenance (two airlines) Past Continental Airlines maintenance shift supervisor (Anchorage, Alaska)


Current president of EAA chapter 837 (Payette, ID)


FAA certified commercial pilot, FAA certified (A&P) Airframe & Powerplant mechanic, Aeronautical Engineer - University of Alaska (Anchorage), FCC MROP-Marine Radio Operators License, FCC GROL-General Radio Operators License, FCC RADAR endorsement, GEN FAM certificates MD aircraft, GEN FAM certificates Boeing aircraft, State Instructor License, High school instructor, computers, robotics and aviation

Past/Present Clients

Continental Airlines, University of Alaska, Pegasus Aircraft Maintenance, Klondike Air, Methow aviation, Bridget Mina Infant Foundation, Aviation Wholesale Supply, Bureau of Land Managment

Average Ratings

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Prashant S Akerkar 02/05/17101010Dear Jan Thanks. Prashant
Prashant S Akerkar01/28/17101010 
Prashant S Akerkar 08/26/16101010Dear Jan Thanks. Prashant
Prashant S Akerkar 08/15/16101010Dear Jan Thank you. Prashant
Rex08/11/16101010Thankyou very, very much, Sir :) :)

Recent Answers from Jan Zumwalt

2017-02-05 Wallpaper fixing in commercial aircrafts.:

I lack full knowledge of aircraft interiors to be able to completely answer your question, but I will tell you what I know.    The primary concern of aircraft design is weight, then safety such as flammability

2017-01-27 Fish tanks in Commercial Airlines.:

It might be possible, for example fish tanks can be made with  sealed tops and decorations glued so that air turbulence would not harm them. They can also be made with very little width to keep weight

2016-10-31 design a wing with minimum drag coefficient:

All aerodynamics are now done with computer simulators. Once the design is narrowed, wind tunnel tests are done to confirm the computer data.    The easiest way to experiment with airfoils is to use one

2016-08-15 International airport design.:

There is no clear answer. It really depends on the space available and the foresight of the designers. I would say (generally) that most airports are designed to include terminal expansion up to 20yrs

2016-08-15 International airport design.:

In the USA, the FAA and Customs keeps tract of the number of flights and their origin and destination. Airport terminal architects can reference this data and estimate the number of flights, along with


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