An Eclectic Mind

With many thanks to a handful of spectators.

The end of my first cherry drying contract of the season is coming to a close. The grower has begun picking and should be finished by Monday.

I was called out to dry his 30-acre orchard block twice. The block is located in a resort area and is surrounded on three sides by condos, a golf course, a campground, and a small strip mall. The Columbia River flows past nearby. I described my first drying call in my blog, in a post called “The Orchard I Dried Yesterday.” There’s an aerial photo of the orchard in that post.

During that first call, I noticed a lot of bystanders taking pictures of me. I didn’t have any photos of me drying cherries and I wanted some. I wanted to see what I looked like and how close I really was to the trees. I was especially interested in seeing how far my tail rotor was above the trees; in solo flight, the tail tends to hang down a bit in the back, especially with full (or nearly full) fuel. This particular orchard was hilly and every time I came down toward the river, I knew the trees behind me were higher than the trees beneath me. I didn’t see any sign of green (or red) on my tail rotor, so I assumed I was okay. But I was still curious.

So I made up a flyer and posted it on telephone poles along the road at one end of the orchard, right where some of the spectators had been standing. The flyer requested that anyone who took photos or video of the helicopter over the orchard send them to me or call me. I provided an e-mail address and my Web address.

Blackberry photo taken by Berni, a spectator at Crescent Bar on June 21, 2009.

I dried a second time less than a week later. After landing back at my base, refueling, and locking up the helicopter for the night, I came back to my trailer. And I found this photo in my e-mail in-box. I was both thrilled and disappointed at the same time. Thrilled because I finally had a cherry drying photo. Disappointed because I was very sure that I fly much closer to the treetops than it looks in the photo.

I emailed the photographer and thanked her(?) for the photo. I got an e-mail back that said, “Are you the pilot? Hard to tell when you are above us. We loved watching you.” I replied that I was the pilot and appreciated the photo. I told her it was the first time I’d seen a photo of myself drying cherry trees. She replied that “it was wonderful to see you in the air. We all waved, the kids got better shots and I will send them too you also.”

That perked me up. Maybe there would be a shot that showed me closer to the trees.

Meanwhile, the weather cleared out and dried up. My grower started picking. It didn’t look as if I’d be flying again at Crescent Bar that season. My husband scheduled a trip out to see me. I wondered if I could get him to take some photos or video while he was here. I started wishing for more rain.

A shot of me over the trees, taken by one of Berni’s kids.

Then last night I got another e-mail from Berni. There were five attachments. These were indeed better shots, and they showed me right over the trees. No disappointment at all — in fact, I was surprised to see how low I was flying and how close my tail rotor looked to some of the trees in this first shot. But after looking at it a bit longer, I realize it must have been taken with a zoom lens. In the photo, it looks as if the cliff is right behind the trees; in reality, it’s a bit farther back. That depth illusion is caused by a telephoto lens.

Another shot by one of Berni’s kids.

Another shot looked a lot more realistic regarding distances, including my height over the trees. I generally try to maintain 5 to 10 feet over the treetops. This part of the orchard block, which is closer to the road, has younger trees with uniform tree height and flatter terrain. It was much easier to dry, although it was also much windier, especially the first time I dried. I think this shot is pretty representative of how I look when I’m drying.

One of Berni’s kids took this really cool shot, too.

I’m also including this last shot, mostly because it’s really cool. I know I look pretty dorky in the helmet, but look how clean and shiny the bottom of my helicopter is! I actually remember seeing this shot being taken. I was approaching the end of the row and the road where the spectators had gathered. There were some wires there and I really couldn’t go right up to the edge of the road. I distinctly remember seeing someone pointing a camera straight up at me just before I turned to go up the next row. Judging from the background, he must have zoomed in. The result is a pretty cool shot.

Anyway, I want to thank Berni and her family again for sending the photos. I really do appreciate it.

Now I want to track down the guy with the video camera on the first flight. That should be some interesting footage.

Flying, Summer Jobs cherry drying, helicopters, photography, Washington

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It’s picking time!

I stopped by one of the orchards I’m providing drying services for at about 2:30 PM this afternoon. A refrigerated tractor-trailer truck full of cherries was just pulling out. The grower was there, and he looked very cheerful. He told me I was too late; they start picking at 4:30 AM and finish for the day by 1:30 PM.

We talked for a while about the cherries and how they grow. He said the harvest was heavy this year and that he had about 3 times as many cherries as he’d harvested last year. He also said his cherries were, for the most part, nice and fat and that the buyers were going to love them.

He showed me how cherries have to be picked — by the stem to prevent them from going bad too quickly. He pulled a big fat bing off a nearby tree to demonstrate and handed it to me. It was beautiful.

We also talked about my flying. I’d flown over his orchard twice during our three-week contract and I wanted to make sure I’d done it the way he expected. I tend to fly a little low at times and I wanted to make sure I didn’t damage the cherries. Bings are pretty sturdy — he tried to find some blemishes on the one he’d picked for me but couldn’t. He said that when they’re really good and red, you can’t really see any damage. He said the wind damages them just as much as the helicopter most times.

He and his pickers had begun picking on Thursday. He’s got 30 acres of mostly mature cherry trees and expects to be done picking on Monday. That’s when my contract with him ends.

He invited me to come back earlier tomorrow to watch them pick and then process the cherries. He has some kind of cooling bin that brings the fruit temperature down near freezing before putting them into the truck. He says this keeps them fresher longer. He also promised to give me some cherries to take with me tomorrow.

I took a few photos in the orchard before leaving.

And, of course, I ate that big, beautiful cherry.

About the Photos, Summer Jobs cherry drying, photography, Washington

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A clip from a recent cherry drying flight.

Yesterday morning I set up my POV.1 camera on the nose of my helicopter with the idea of gathering some footage while I was doing a cherry drying flight. Right before taking off on a flight later that day, I turned on the camera. Then I just forgot all about it until I returned to my landing zone at the end of the flight.

I got a lot of footage. The camera recorded roughly an hour of it. I wanted to put some part of it online yesterday, so I picked a piece that was interesting.

I didn’t realize it at the time, but I’d turned the sound recording off on the camera. This is probably a good thing; all you would have heard was helicopter noise. So for this particular clip, I recorded a narration in QuickTime and pasted it into the clip. It describes what I’m doing, including why I’m flying sideways for part of the flight.

Apologies for the poor quality of this video. I need to work on my compression schemes to get a good setup for use with the POV.1 camera. This obviously isn’t it.

Flying, Summer Jobs cherry drying, helicopter video, helicopters, weather

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A bit of a challenge, mostly because of wind.

There was no rain in the forecast yesterday. But that didn’t stop rain from falling on the first orchard I’m contracted to dry this summer. The rain started at around 7:15 PM, falling from a cloud that had already drifted to the east. When the grower contacted me with my “heads up” call, he said it was “dumping rain” and would likely need me in about 15 minutes. I suited up, buttoned up the camper, and headed out to the helicopter. I was just pulling the cover off the helicopter when he called to launch me.

I was in the air 10 minutes later and at the orchard block 5 minutes after that.

As shown in the illustration below, the orchard is at the foot of a cliff along the Columbia River. It’s a hilly site, that actually has a gulch near the back side. The orchard itself is quite old and about half the trees are quite large and dense. The rest are younger. This shot is from last year and it is still representative of its layout and look.

I approached from over the cliff; my base is on the high plateau east of the site. I zipped across the flat farmland up there, passing through the same rainstorm that had likely drenched the orchard. When I reached the cliff edge, I was just downriver from the orchard block. I dumped collective and descended at about 1200 feet per minute. It wasn’t enough. I still had to swing out over the river to lose more altitude before coming in low to start the dry.

It was windy. The wind was coming off the river hitting the orchard from the lower left corner (in the image). I could clearly see where the wind was hitting the young trees, blowing their tops around wildly. This meant two things:

• The wind would do a lot of the work for me. That was a good thing.
• It would be very difficult to hover with the wind at my tail as I flew up rows toward the cliff. That was a bad thing.

So I started at the top left corner, along the fence that separated the orchard from the condos beside it, and headed down toward the river. The wind was blowing my downwash behind me, to my left — my blind spot. I couldn’t see how I was affecting the trees. I dropped down to about 5 feet off the treetops and moved to my right. My downwash should be blowing the first row of trees. I moved down the first row at about 6 knots.

Beside me, in the condo parking area, people were gawking.

At the end of the row, I knew I wouldn’t be able to turn and fly with a tailwind. So I moved to the left about two rows over and turned my nose to the right. I went back up that row sideways, pointing mostly into the wind. Now I could see the downwash. I was blowing the trees pretty good, with my downwash getting down under the branches.

I continued the pattern, flying forward down to the river and sideways back up to the cliffside. I could see where the wind was hitting the trees and where the trees were generally untouched. I concentrated on the sheltered areas, doing my best to shake the branches around. At the bottom of the orchard, near the roadside, the wind was tough. A flag there was standing straight out. A few times, I had trouble getting into position for my return flight and had to zip around to approach differently. I realized later that I should have started in the top right (in the photo) corner.

I did the left side of the orchard, up to the row adjacent to the shed. Then I did the trees in the gully behind them, which I’d neglected. Then I repositioned to the upper right, where I should have started in the first place, and did the section between the corner with the water tower, the house, and the row I’d ended on behind the shed. Then I went sideways back and forth (instead of up and down) on the remaining section of the orchard, between the shed and house and then everything forward of that.

There were people watching from the parking lots and roads. One guy in the parking lot had a video camera. (I wonder if I’ll be on YouTube. Here’s another pilot I found on YouTube doing the same thing.)

When I was finished, I flew past the grower. He waved enthusiastically. I pulled pitch and climbed out at 1500 feet per minute. It didn’t take long to climb over the cliff and head back to base. The cool air coming through the vents as I sped along at 110 knots helped cool me down.

I landed and cooled down the helicopter. I’d flown a total of 1.1 hours, including the 14-mile round trip flight to and from the orchard, and had dried about 30 acres of cherries.

Flying, Summer Jobs cherry drying, helicopters

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Just a precaution.

In a comment to yesterday’s post about my work drying cherries, Miraz asked:

Could you write a post about your Nomex flight suit. What is it? What’s special about it? Why don’t you just wear whatever you normally wear when flying?

A good topic for a post, so here it is.

First, Nomex. Wikipedia describes Nomex as follows:

Nomex (styled NOMEX) is a registered trademark for flame resistant meta-aramid material developed in the early 1960s by DuPont and first marketed in 1967.

It can be considered an aromatic nylon, the meta variant of the para-aramid Kevlar. It is sold in both fiber and sheet forms and is used as a fabric wherever resistance from heat and flame is required [...] Both the firefighting and vehicle racing industries use Nomex to create clothing and equipment that can withstand intense heat. All aramids are heat and flame resistant but Kevlar, having a para orientation, can be molecularly aligned and gives high strength….

The Wikipedia piece goes on to list the different uses of Nomex fabric, including this statement:

Military pilots and aircrew wear flight suits made of over 92 percent Nomex to protect them from the possibility of cockpit fires and other mishaps.

Here’s an example of a flight suit available on Flightsuits.com. (And no, it doesn’t come with the guy.)

It’s not just military pilots. Nomex is also widely used in flight suits worn by EMS pilots and crew members and law enforcement pilots.

A flight suit is usually a one-piece, zip up garment, often with many pockets, that is worn by pilots and aircraft crew members. While they come in many colors and styles, they’re usually a military green or khaki color. The green suits (see photo) are sometimes referred to by the folks who wear them as “pickle suits.”

Flight suits can be made of any fabric, but since they’re available in Nomex, it seems silly to wear one that doesn’t offer the additional protection of the Nomex fabric. And although they come in long sleeve and short sleeve styles, it also seems silly to have Nomex protection on only half of your arms when you can get full arm coverage.

At least that’s the way I see it.

Why does a pilot need protection at all? Well, it’s mostly to save your life (or even just your skin) in the event of a post-crash fire. And fires are definitely possible when you’re carrying fuel (which you should be) if you hit the ground hard in a crash.

Robinson Helicopter Company recommends that all pilots — and even passengers! — wear flight suits. Safety Notice 40 was released in July 2006, possibly in response to an accident with a post-crash fire in Texas. Robinson often releases Safety Notices in response to what it sees as dangerous or potentially dangerous situations. Safety Notices are not requirements; they’re suggestions. They’re also Robinson’s way of “covering its butt.” The company is owned by Frank Robinson and is self-insured. By recommending that we wear flight suits, Robinson Helicopter cannot be held accountable for burn injuries if we’re not following their recommendation.

That’s not to say it isn’t good advice. It is. But it isn’t exactly practical to require every person on board a flight to wear a flight suit. And while I might be tempted to wear a flight suit more often if I actually looked good in one, I don’t. Besides, I’ve decided on a more professional “corporate pilot” appearance for my charter flights: slacks with a polo shirt or pilot shirt.

It’s a matter of risk assessment. Tour and charter flying has much lower risk associated with it. I’m usually operating at airports, landing and departing from locations very suitable for that kind of activity. Flight profiles remain outside the “deadman’s curve.” There isn’t anything unusually risky about these flights. Even most of my photo and survey flights are relatively low-risk.

But hovering 5-10 feet over cherry trees at 5-10 knots ground speed puts me firmly into the deadman’s curve. If I have an engine failure, there’s nothing I can do to prevent a messy crash into the trees. With lots of fuel on board, a post-crash fire is possible. Wearing a Nomex flight suit seems like a pretty good idea.

A helicopter helmet like the one I wear. This is a low-cost model available from AviationHelmets.com.

So does wearing a helmet. I can’t tell you how many articles I’ve read in helicopter flying magazines about the importance of wearing a helmet on high-risk missions. The main thing that worries me is the flinging parts that might just enter the cockpit in the event of a crash. It would be awful to have a soft landing only to have a main rotor blade enter the cockpit and split your head open like a coconut. (Ick. What a terrible visual.) Or even to just clock your head on the door frame hard enough to cause serious damage. The helmet protects me against this.

But I don’t think my passengers would feel very comfortable if I wore it on a charter flight.

So, in answer to Miraz’s question, I wear a flight suit for cherry drying because of the increased risks associated with that kind of flying. I don’t wear it for other, less risky missions because I’m trying to maintain a “corporate pilot” professional look for my passengers. And I look like a big khaki sausage in my flight suit.

Fortunately, the cherry trees — and growers — don’t care what I look like.

Flying, Summer Jobs aviation, cherry drying, helicopters, safety

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