Rock Your Wings Over the Fisk Railroad Tracks and the Fifteen Hundred Foot Line That Keeps the Oshkosh Arrival Alive

The single most important skill for arriving at EAA AirVenture Oshkosh is not your radio work - it’s your ability to hold a precise altitude and airspeed while flying in loose formation with strangers. The FAA’s annual AirVenture NOTAM, which runs 32 pages this year, defines a VFR arrival that begins at the town of Ripon, Wisconsin, and funnels every arriving aircraft up a set of railroad tracks to a point called Fisk. For roughly a week each summer, this stretch becomes the busiest airspace on the planet, and it rewards pilots who can fly numbers precisely and follow instructions exactly.

How does the Fisk arrival into Oshkosh actually work?

You start by finding Ripon. From there, you follow the railroad tracks northeast - literally track the rails - all the way to Fisk.

On that leg, the NOTAM asks for something very specific. Faster aircraft fly 90 knots at 1,800 feet MSL. Slower aircraft fly 77 knots at 1,700 feet MSL.

That 100-foot separation between the fast and slow groups is not an accident. It’s the entire system working: two rivers of airplanes stacked one above the other, each holding its line.

Why is holding altitude and airspeed so critical here?

You are not alone up there. You may have an airplane a quarter mile ahead and another a quarter mile behind, all following the same tracks at the same altitude.

If your nose drifts up and you climb 100 feet, you’ve just climbed into someone else’s airspace. If you slow down because you’re nervous and heads-down hunting for the airport, the aircraft behind you is now closing on your tail.

This is why Oshkosh is the best altitude- and airspeed-holding practice you’ll ever get - and the stakes are real.

How do I actually hold a precise altitude and airspeed?

Precise control is not about staring at the altimeter. If you’re chasing the needle, you’re already behind the airplane.

Set it up this way:

• Set power and pitch. Establish 90 knots with a known power setting and pitch attitude. Pitch plus power equals performance.
• Trim it off. Trim the pressure off the yoke so the airplane holds the speed for you.
• Fly the picture. At 1,800 feet, pick the spot on the windshield where the horizon sits and hold that sight picture.
• Confirm with instruments. Glance at the altimeter and airspeed indicator to verify - they’re confirmation, not targets you wrestle.

What do I do when the controller calls me at Fisk?

The controllers at Fisk do not want you to talk to them. Read that again - this is the one place in aviation where keying the mic is the wrong answer.

You monitor the frequency and listen. When a controller sees your airplane and wants you, they’ll say something like, “Cessna on the tracks, high wing, rock your wings.”

Your answer is to rock your wings - waggle the ailerons left, right, left. That tells the controller: yes, that’s me, I hear you, I understand. No radio call. Just rock your wings.

This ties directly back to your training. FAR 91.125 covers ATC light gun signals and no-radio operations - the principle that you can safely operate without two-way radio using visual signals. Oshkosh simply turns that principle into the world’s largest live demonstration. Rocking your wings is a visual acknowledgment, the same family of thinking as a green light from the tower.

What happens after I rock my wings?

The controller gives you instructions - “fly to the numbers on runway two-seven,” “enter a right base for runway three-six,” or whatever the flow requires.

You do exactly what they say, and nothing more. You don’t improvise, and you don’t decide you’d rather have a different runway. Follow the assignment.

How do I know if I’m ready to fly the arrival?

Picture yourself in a Cessna 172, three miles south of Ripon, and you don’t know what number you are because there are airplanes everywhere. Your job is three things and only three things:

1. Hold 1,800 feet.
2. Hold 90 knots.
3. Keep your eyes outside and find the airplane ahead of you.

That’s the entire job. The Airman Certification Standards treat aeronautical decision-making and risk management as a real skill, not a box to check - and the biggest risk-management decision happens before you ever see the tracks.

Ask yourself honestly: can I hold altitude within 100 feet and airspeed within a few knots while managing traffic I can see out the window? If the answer is “not yet,” that’s not a failure - that’s exactly the self-assessment the ACS is asking for.

How to build the skill: Go up with an instructor. Fly a 100-mile line at a fixed altitude and airspeed, holding it within 50 feet and 5 knots, while someone in the right seat calls out traffic and makes you find it. Do that until it’s boring - then come to Oshkosh.

What if it falls apart on the arrival?

If you get overwhelmed, lose the airplane ahead of you, or blow through your altitude, there’s an answer in the NOTAM: break it off.

Fly clear of the arrival, climb out of the flow, and regroup - divert to Fond du Lac and try again if you need to. There’s no shame in breaking off. The shame is in pressing on after you’ve lost the picture. A good pilot knows the difference.

How should I prepare before launch?

Have the NOTAM open and the arrival briefed cold before you take off. At 90 knots and low to the deck, surrounded by airplanes, is not where you want to read a procedure for the first time.

• Know your speeds and altitudes.
• Know what rocking your wings means and when you’ll be asked to do it.
• Know your bailout plan.

Then chair-fly it the night before. Sit in a quiet room and fly the whole thing in your head: Ripon, tracks, Fisk, 90 and 1,800, rock your wings, fly the assignment. That mental rehearsal is worth more than you’d expect.

The arrival procedure comes straight from the FAA AirVenture NOTAM and the EAA - read the whole thing yourself before you fly it.

Key Takeaways

• The Fisk arrival runs from Ripon, Wisconsin, up the railroad tracks to Fisk; fast traffic flies 90 knots at 1,800 feet MSL, slow traffic flies 77 knots at 1,700 feet MSL.
• The 100-foot vertical separation between speed groups is the core of the system - precise altitude and airspeed control is the #1 arrival skill.
• Do not key the mic at Fisk. Monitor the frequency, and when asked, rock your wings to acknowledge - an application of FAR 91.125 no-radio visual signals.
• Follow ATC instructions exactly and never improvise; if you lose the picture, break off and regroup, diverting to Fond du Lac if needed.
• Brief the NOTAM cold and chair-fly the arrival before launch; practice holding a line within 50 feet and 5 knots with an instructor first.