Five hours of a 15x30 mi loop?


#1

flightaware.com/live/flight/N258 … /KHIO/KHIO


#2

Very strange indeed. In the history are more odd flights, one says 19 hours, a few round-robin flights with extremely long durations but not too much distance.

That strange track reminds me of an idea I had. I’m going to rent a 172, file IFR for “practice approaches” somewhere I can have a bunch of miles of open space…and I’m going to fly my name in cursive. Like virtual skywriting for my FlightAware friends. A man can dream can’t he!?


#3

The Twin Otter in question is a geophysical equipped aircraft.


#4

Where did you find that out? Or are you familiar with the aircraft? The N-number registration information isn’t indicative of a geophysical contractor.


#5

Probably just supposition on Dave’s part Toby.

There’s not much you could accomplish with a geo-survey aircraft over the ocean.


#6

Actually, a flight can do aerogravity and/or aeromag offshore, but either would have a gridlike flight pattern, very unlike a hold oval pattern or a flight to check the plane. Thus, geophysical aircraft are not likely to fly IFR. They wouldn’t get clearance for the back-and-forth flight paths they need.


#7

My second degree is in physical oceanography, I know what they can do.


#8

Fishspotter?


#9

I think he was out there looking for WhaleJets. :unamused:


#10

I saw the aircraft at LVK a couple of years ago. I looked it up in the JP Airline Fleets and that’s what it said it was.


#11

The latest flight (Aug 1) is even weirder. Up until the aircraft arrived at Portland Hillsboro, it had normal flight paths.


#12

Somebody must have dropped something really valuable out there.


#13

Go to the Twin Otter International web page for information on their activities. They not only do airborne research but also make the Vistaliner conversion of the DHC-6.

Vistaliner


#14

Close: pmel.noaa.gov/vents/acoustic … stics.html


#15

Grand Canyon Airlines uses the Vistaliner. They are pretty perfect for that application, the huge windows make for easy photography. (saw them at GCN when I proposed to my wife)
Grand Canyon Airlines Vistliner
Also used in Hawaii if memory serves. (saw them on my honeymoon!)


#16

Princeville (now Island Air), Royal Hawaiian Air Service, and Maui Airlines operated Twin Otters. I lived in Hawaii for over 10 years and did not see a Vistaliner in operation with any of those airlines.


#17

Maybe it was a regular twotter and not a vistaliner. (I was busy not ID-ing airplanes…)
We stayed at the princeville when we were on Kauai, it was beautiful.


#18

Let me add that these flights are IFR. The flight plan is filed from HIO out to a point that the air work will begin, and the “D3+30” is actually recongized by the Center computer as an airborne Delay. This basically pauses the flight plan at that point for the time specified. In this case, 3 hours and 30 minutes. In that location, and often late at night, controllers have no problem issuing block altitudes or blocks of airspace for air work.

dm


#19

Could all these flights possibly be somebody that desperately needs to rack up multi-engine hours? If so, why not fly someplace interesting?


#20

No. They wouldn’t use a research-equipped aircraft to do it.