Rock Your Wings at Fisk, the No-Radio Arrival, and Reading Light Gun Signals When the Frequency Turns to Noise on the Way Into Oshkosh
How to fly the no-radio Oshkosh arrival and read tower light gun signals when the frequency fails you.
The Oshkosh AirVenture arrival is built around a no-radio procedure: pilots tune the arrival frequency, listen, and acknowledge the controller by rocking their wings instead of talking. This works because voice communication becomes a bottleneck when hundreds of aircraft arrive per hour, and it relies on the same skill that lets you handle a lost-comms radio failure at any towered field - reading visual signals and acknowledging with the airframe. Master that one habit and you can fly into the busiest airport on Earth or your home Class Delta with a dead radio.
How Does the No-Radio Oshkosh Arrival Actually Work?
Picture the arrival. You’ve been in the airplane for three hours, and now you’re descending toward Ripon, Wisconsin, at 90 knots and 1,800 feet, following the railroad tracks northeast like a highway in the sky. There’s a Bonanza ahead of you, a Cub behind you, and more airplanes around you than you’ve ever seen in the air at once.
The official FAA AirVenture NOTAM tells you to tune the arrival frequency and simply listen. You do not check in. You do not read back. You do not key the mic to announce who you are.
A controller stationed at Fisk, a few miles past Ripon, watches the river of airplanes flowing toward the field and talks to you by describing your airplane: “High wing, white and blue, rock your wings.”
That’s your cue. You roll the airplane left, then right - a clear, visible wag the controller can see from the ground. That is your entire transmission. No voice, just the airframe saying yes, that’s me, I hear you.
Why Is Flying Without Talking Actually Safer?
Voice communication is a bottleneck. If four hundred airplanes an hour all tried to key up and say “November one-two-three-four-five, established on the tracks, inbound Fisk,” the frequency would collapse into a solid wall of squeal - stepped-on transmissions, nobody heard, everybody guessing.
The NOTAM flips the model. The controller broadcasts; you acknowledge with the airplane. That keeps the frequency clear for the one thing that matters: a controller being able to say, in real time, “yellow Cub, rock your wings, follow the Bonanza,” or the instruction every arriving pilot must be ready for - go around, break off, rejoin at Ripon.
The real skill on display isn’t the wing rock. It’s the mental preparation to operate when the normal tools are gone. And that’s the same muscle that makes a radio failure on any ordinary Tuesday survivable.
What Do the Tower Light Gun Signals Mean?
Here’s the general-aviation version of the same problem. It’s a hazy afternoon, you’re inbound to your home Class Delta field, and over the last twenty miles your radio quietly dies. A tower can still talk to you without a radio at all - using the light gun, a focused, colored beam shined directly at your airplane. Three colors, steady or flashing. That’s the whole vocabulary.
In flight:
- Steady green - cleared to land
- Flashing green - return for landing (you are not cleared yet; come back around)
- Steady red - give way to other aircraft and keep circling
- Flashing red - airport unsafe, do not land
- Alternating red and green - general warning, exercise extreme caution
- Flashing white - mostly a ground signal
On the ground:
- Steady green - cleared for takeoff
- Flashing green - cleared to taxi
- Steady red - stop
- Flashing red - taxi clear of the runway in use
- Flashing white - return to your starting point on the airport
How Do I Actually Remember the Light Gun Signals?
Don’t memorize the table - learn the logic. Green is go, and it means go in whatever context you’re in: airborne green, go ahead and land; ground green, go ahead and roll. Red is stop or give way, everywhere. And flashing almost always softens the steady meaning into “come back” or “return”: steady green means land, flashing green means come back and land.
To acknowledge a light gun signal, you rock your wings - the standard daylight acknowledgment that you’ve received and understood. It’s the exact same decision tree as Oshkosh: non-radio-dependent communication, look for the visual signal, acknowledge with the airplane. Same muscle. Same airframe-as-transmitter thinking.
Examiners look for exactly this on a checkride. The scenario: your alternator fails, your electrical system is dying, you’ve got a dead radio, and you need to get into a towered field. Can you enter the pattern, find the tower, get their attention, and read the light? A calm, correct answer tells the examiner you’re a pilot who has thought about the day the automation quits.
How Can I Practice These Skills Before I Need Them?
Read the whole procedure before you launch. For AirVenture, that means the NOTAM cover to cover - every page, read, not skimmed. The pilots who get in trouble at Fisk are almost always the ones who showed up having never read it.
Brief the lost-comms plan out loud before every flight into controlled airspace. One sentence: “If I lose the radio, I’ll squawk 7700 if it’s an emergency or 7600 for a comms failure, I’ll fly to the field, and I’ll watch the tower for a light gun.” Saying it on a calm day means your hands know it on a bad one.
Practice being a quiet pilot. On your next flight, pick a leg and just fly the airplane precisely - on speed and altitude - while monitoring a busy frequency without transmitting. Holding 90 knots, holding 1,800 feet, following the airplane ahead by eye instead of by radio call: that is the entire Oshkosh arrival in miniature, and it’s a skill that atrophies if you never train it.
Decision making is preparation cashed in. The pilot who rocks their wings calmly at Fisk isn’t braver than you. They did the reading, ran the scenario in their head, and showed up with a plan for the moment the frequency turns to noise. The fundamentals scale: fly the airplane, watch for the signal, acknowledge with the wings.
The light gun signals and arrival procedures here come straight from the FAA’s Aeronautical Information Manual (AIM) and the official AirVenture NOTAM - both worth your time before you launch anywhere this summer.
Key Takeaways
- The Oshkosh arrival uses a no-radio procedure: listen on the arrival frequency and acknowledge the controller by rocking your wings, keeping the frequency clear for hundreds of arrivals per hour.
- Fly the Ripon-to-Fisk approach at 90 knots and 1,800 feet, following the railroad tracks northeast and spacing off the aircraft ahead by eye.
- Know the light gun signals cold using the logic “green is go, red is stop, flashing means come back” - the tower’s backup when your radio dies.
- For a lost-comms failure, squawk 7600 (or 7700 for an emergency), fly to the field, and watch the tower for a light gun.
- The same non-radio skill set works at both AirVenture and your home Class Delta: fly precisely, watch for the visual signal, and acknowledge with the airframe.
Radio Hangar. Aviation talk, built by pilots. Listen live | More articles