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#136 Ground Below, Air Above

 

Written October 1, 2013

It’s a regular flight for me.  But I never get tired of studying the route.  The route is described by what it takes me over.  But the terrain never changes.  The air, however, does.  And that’s what makes every trip a little or a lot different.  If you draw a line on a map which runs from Sisters, Oregon to Medford, Oregon, you’d have the general route.  But first you’d have to bend that line just to make the trip safer.  You’d want to

DSCN2518

The Three Sisters.  An area best avoided on the trip to Medford.

bend it so that you’d have more places to go in the event of an engine failure.  So, instead of going directly, a track which would take you right over the Three Sisters and then over some fairly hostile mountainous terrain, you’d want to fly to a place like Sunriver first before gradually veering back on course.

 That’s what I usually do.  Then I fly over Wickiup Reservoir, past Diamond Lake and

IMG_0667

My favorite mountain, Mt Thielsen.

my favorite mountain, Mt Thielsen.  You can see Crater Lake as you proceed along and pass just north of the Prospect airport.  You begin a very gradual descent

Crater Lake Wizard Island

Crater Lake.

around Lost Creek dam and cruise down into the Rogue Valley and the Medford Airport.

But the air is what changes everything.  The air moves.  The air carries moisture.  Large high and low pressure systems cause the air to flow over the Cascade Mountain range.  If that air is laden with moisture, it may condense as it rises up to clear the mountains.  That condensation forms clouds that a guy flying a little beater like mine has to avoid.  If that air is moving fast enough it may become what we call Mountain Wave.  Wave is like a sinusoidal snake.  The uplift caused by the mountains doesn’t limit itself to that terrain.  Once the undulation starts, it continues as the wind moves along, each area of lift or sink becoming less intense but usually just as smooth.  Mountain wave is a glider pilot’s delight.  Finding it and cleverly utilizing it can take a glider pilot to dizzying heights requiring oxygen to avoid passing out at those heavenly altitudes.

I’m heading over to Medford with a lot on my plate.  I’m going to get together with DSCN2515George for some needed maintenance, including the overhaul of those magnetos which have been supplying millions of sparks for the little Continental Engine since I bought the plane several years before.  I’m going to meet with my editor about some issues with “Brian’s Flying Book” as well as to herd our next publishing efforts into the stream leading to the publisher and the reader.  I’m also going to meet with my old friend, Denis, whose performance as the glider pilot in “Dawn Flight” certainly helped launch my own career as a film maker.  Denis and I will begin preliminary

Denis in the Big Yellow Glider

A lot of actors like to say, “I do my own stunts”.  Denis really did, performing most of the flying scenes in “Dawn Flight”.

brainstorming about an upcoming project.  As riveting as they may be, my upcoming labors are the farthest thing from my mind as I leave Sisters.

Normally the wind socks at Sisters may be ignored.  They don’t usually serve the function of determining which direction to take off, contrary to what so many pilots think.  Because the air rolls into Sisters after a vertiginous roller coaster ride over the mountains, it is still roiling when it arrives at our little airport.  The result is a mess of air which burbles and boils in mostly a crosswind direction, changing constantly, but failing to favor one direction of landing or takeoff from another.  In fact, spots on the runway where lift or sink will be found are far more important than wind direction.

This morning is different.  I normally select the takeoff runway solely on its suitability for subsequent actions on my part if the engine should fail on takeoff.  That’s why I almost always take off on runway 02.  It runs downhill.  Right off the departure end there is a small ridge with homes and trees.  A struggling, underpowered airplane would have trouble clearing that ridge and it serves to con most pilots into choosing the opposite runway for their departure.  They don’t see the river bottom which runs right past the departure end of runway 02.  A steeply banked turn in an airplane which has been kept close to the ground on takeoff so as to increase speed and “G” available is, in my opinion, an extremely safe departure.  It takes me around the last house along the airstrip and then along the riverbed as I leave the airport and climb over lovely pastures where I can easily set the ship down if its little engine should stop producing that motive force.  I like that route a lot better than taking off in the same crosswind but uphill with nothing but downtown Sisters to land in if the engine should quit.

But today it’s clear to me that the takeoff should be made toward town.  For the first time in weeks, the wind is definitely racing down the runway with both windsocks standing straight out and screaming, “Use two-zero!”

Cessna 140 by Chris

“No sweat”, I cleverly mutter. “I’ll just lower the nose and haul ass…”

The little Cessna 140, at its maximum gross weight with fuel and tools, is airborne well before the halfway point.  The air is pretty smooth, too and I’m thinking that this is okay, as I climb slowly to a point above the highest treetops.  And then I get the crap kicked out of me.  Full aileron deflection is required to keep the plane right-side-up as we climb into severe turbulence.  “Duh”, I guess I should been smart enough to realize that the cousins of the air molecules causing the windsocks to stick straight out would also be burbling with kick-ass alacrity across my route.  “I guess I won’t be trying to drink any of the coffee in my thermos”, I thought as I worked my butt off just to stay on course with the wheels pointing down and the skylights pointing up.  I was resigned to having my butt kicked all the way to Medford, but the weather gremlins had other tricks up their sleeves.  They were probably snickering as they watched the little Cessna jerk and lurch along its selected route.

By Sunriver the turbulence has abated.  Almost seamlessly my little ship and I are hoisted up. I breathe a sigh of relief as I realize that I am in the transparent half of a low-lying mountain wave.  But I can’t ignore the irony:  “Oh, sure”, I grouse.  “When I was flying gliders out of Sunriver I never found wave.  Now that I no longer need it, here I am, going up 2,500 feet per minute in a plane that’s as heavy as it can be!”   I get over it.  At first I’m jubilant to be in all this amazing lift and I even chortle confidently as I pour myself a nice, hot cup of coffee from the thermos.  But then I check the groundspeed.  Forty five miles per hour.  Holy crap!

“No sweat”, I cleverly mutter.  “I’ll just lower the nose and haul ass…”  I lower the nose until I’m indicating about 120 on the airspeed indicator.  Pretty good for a 140.  But the groundspeed has only increased to about 60.

I decide to relax and enjoy the experience and study the weather.  I’m just fine on time; I’ve got lots of fuel.  I think of the woman in the frame shop in Florida a few years before.  Everyone in there was Southern, their accents rich and just filling the small shop with a culture as rich as mint juleps, beignets and pecan pie.  The poor woman just needed to drop some work off and get on to her errands.  Out of the corner of my eye, I saw her shift her weight from one foot to the other.  No one in front of her seemed to have anything important to take care of, but they were in front of her and keeping her from her errands.  Finally, she had enough.  “I’m sorry, I don’t mean to be ‘Northern’ but can I just drop this off with you so I can be on my way?”

I understood her perfectly.  And, like the woman in the frame shop, I decided that I would not be “Northern”.  I sat back and set to my own task of navigating my way through wave, clouds, headwinds and terrain.  My route was designed to keep me somewhat safe in the event that I was forced by mechanical failure to tumble from my perch.  I’d followed highway 97 this far, but I needed to bear right and go more directly to Medford.  A route that took me just North of Crater Lake, then past Prospect and into the Rogue Valley was the safest and that was what I would pursue.

On a clear day, I would navigate my way pretty much by the “Rocks in the Creek” method.  I would fly from one emergency landing place to another.  If I spotted a particularly good one, I’d average my desired course with a course to it.  I’d stay within easy gliding distance of it.  I’d keep track of it as it receded behind me even as I sought out the next spot.  Once within gliding distance of it, I’d repeat the process.  Not today.

Today I could spot the terrain below, but the clouds and mechanically induced turbulence dictated my course more than the land did.  Years ago, I remember ol’ George commenting that a professional pilot simply has to stick his neck out sometimes and depend on that engine.  I was doing that now, often forsaking the search for landing spots in favor of smooth air and a route between cloud canyons that would get me to my destination.  At no time during this phase did my groundspeed get above seventy-five miles per hour.  My radio had been largely silent.  I’d monitored Seattle Center, but I didn’t use flight following.  I guess I figured that I didn’t want to advertise my occasional skud running or have to answer the question, “Cessna Eight Four Victor, do you see the terrain ahead?”

Below, I could just make out the big straightaway that takes drivers from highway 97, up Highway 138 and past Crater Lake.  It was at that point that I realized I just couldn’t out-climb the clouds.  As much as I lusted after that smooth ride on top, it would be safer for me to go underneath.  Down I went, until I could see the route more clearly from my slow-moving perch at the cloud bases.  I never saw Crater Lake.  It was obscured, but my altitude and visibility were pretty good and I don’t think I could be accused of “skud running”.

I think there were only four or five other aircraft talking to Seattle Center as I crossed the Cascades  and as I reached Lost Creek dam, the clouds began to thin.  The turbulence decreased.  My groundspeed increased.  “Oh, sure,” I muttered, “NOW the groundspeed increases when I’m practically there!”

I end my radio silence.  Instead of monitoring Seattle Center, I switch to Cascade Approach and give them a shout. They give me a transponder code and ask me to ident.  As I push the little red button on the transponder, a blossom erupts on a screen in a darkened room in Eugene, verifying that it’s me on that large cathode ray tube.  “Radar Contact”, I’m told.  The approach controllers hold my electronic hand and funnel me toward Medford.

The family farm appears up ahead and sweeps past as I’m told to contact Medford

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The family farm sits alongside Little Butte Creek.

Tower.  I know that I need to get off Medford’s long runway quite a way down, so I ask the controller for a short approach and a long landing.  I just hate big patterns.  The bored controller probably perks up a bit at the request, then probably cranes his attention to watch the brief demonstration of a landing in a turn.  It sure wasn’t my best.  I ended up taxiing tail-up too far just to get to my exit.  Gotta practice that a bit more.  Too much teaching; not enough doing. That’s one of the hazards of my profession.

I cleared the runway and rolled up to the hangar.  There was George, lounging in a beach chair in front of the hangar, just waiting for me to roll up.  It’s always good to see this guy who was instrumental in teaching me to be a CFI and who, after a career in the FAA and lots of varied flying jobs before that, is still teaching those lucky enough to fly with him in a little BC12D Taylorcraft.

DSCN2503The cowl is quickly removed.  The hot oil is released from the engine.  The magnetos will be removed for inspection and overhaul.

I’m looking forward to a return trip in a couple of days with much improved weather.  The routine trip was unlike any other, just as a future trip will probably be.  The ground, as scary as it can be, hadn’t changed.  It was the air above which ruled this day.

6 comments to #136 Ground Below, Air Above

  • Jim Mauro

    Hi Brian, I have been enjoying your ramblings as I pursue my Private Pilot Certificate on the way to a tailwheel endorsement. Your “style” of writing and your “style” of flying is very inspirational as I work on this flying goal finally at the age of 72.
    The smell, sights and sounds of airplanes are still firmly in my head as my elementary years were spent nosing around in the Taylorcraft factory in PA. during the 1950’s. So finally here I am soloed and getting ready for my cross country by a prince of an instructor.
    I look forward to ordering your Tailwheel ball cap, but not before I earn the right to wear it. And I so look forward to your postings!
    Thank you,
    Jim Mauro

  • RobertL

    Brian those C-140s are built tough, enjoyed the journey and will check it out on the map. Around forty years ago I was hour building in your area in an elderly 172, beautiful scenery.

  • Allen Stewart

    I enjoyed the read. Thanks Brian.

    Allen

  • Lawrence

    A fellow talks about a tail wheel endorsement. Does a person need one? Just curious because I taught my self on Cessna 140. That was after about 300 hrs of Trike time.
    I enjoyed your read Brian

    • brian

      If you’ve logged PIC time in a tailwheel airplane prior to 1991, you don’t need a TE. I really prefer those applicants who come to Tailwheel Town just to improve, regardless of whether or not a TE is required.

      • Lawrence

        I think it’s too late for me Brian. 7000 hrs plus and no Damage History.
        It would take a time machine to remove my bad habits!
        I really enjoy your site!

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