Short Final

Gemini Sparkle

Key Takeaways:

  • An ATC controller mistakenly instructed a pilot to "Squawk 1238" for advisories over New York.
  • The pilot and instructor realized the error, as transponder codes use octal digits (0-7), making '8' an invalid input.
  • After the pilot stated they couldn't enter the code, ATC eventually issued a valid transponder squawk number.
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I was flying right seat, giving instruction in a Cessna 210 VFR over New York asking for advisories. The left-seat pilot owned the aircraft and was proficient. After bouncing around with several different controllers, we found one that would talk to us:

NY Approach:
“Squawk 1238.”

The left-seat pilot pushed 1-2-3 on the transponder and then stopped and looked at me.

Pilot:
“Did she say ‘1-2-3-8’?”

Me:
“Yes … .”

Pilot (to NY Control) :
“Did you say ‘1-2-3-8’?”

NY Approach:
“Yes. Squawk 1238.”

(I was laughing.)

Pilot:
“I can’t.”

NY Approach:
“You can’t squawk 1238?”

Pilot (definitively) :
“That’s right. I can’t.”

Ten long seconds went by.

NY Approach:
“Try squawking XXXX. [It was a good number this time.]

123.8 is a common Philadelphia approach frequency that New York often hands people off to. Of course, there is no 8 on a transponder.


Michael McNamara
via e-mail

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