LIBRARY 142 · SPOKEN CHAPTER 142 · 2:45

Possible Hypoxia at Altitude

Practice communicating this situation: While cruising at altitude, you notice difficulty concentrating and blurred vision.

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Your scenario

You are flying Evektor, registration N827EV. Your position is 12 miles east of Paine Field, indicated altitude 3500 feet. You are tuned to Seattle Approach. Your planned destination is Arlington.

Practice goals

Respond aloud during each ten-second practice window, then compare with the example. Replay any exchange you want to practice.

Read the transcript From the published English caption file

Practice silences are omitted. Timestamps open the corresponding point on YouTube.

  1. 0:00 NARRATOR: Chapter 142. Here is the scenario: You feel unwell and have trouble
  2. 0:04 concentrating at altitude. Practice reporting the symptoms and asking for help.
  3. 0:10 NARRATOR: Your starting details: You are flying Evektor, registration N827EV. Your
  4. 0:15 position is 12 miles east of Paine Field, indicated altitude 3500 feet. You are tuned
  5. 0:22 to Seattle Approach. Your planned destination is Arlington.
  6. 0:28 NARRATOR: Play the pilot. At each prompt, use the ten-second pause to respond aloud or
  7. 0:34 decide whether to transmit. Then compare with the example. This is simulated radio
  8. 0:39 practice.
  9. 0:41 NARRATOR: Scenario update: While cruising at altitude, you notice difficulty
  10. 0:45 concentrating and blurred vision. You remain able to control the airplane and
  11. 0:50 communicate, but continued flight at this altitude feels unsafe. The cause is
  12. 0:54 unconfirmed. This is a communications-only exercise, not an aircraft emergency
  13. 0:58 checklist. Aviate first.
  14. 1:02 NARRATOR: Your task: State your problem, position and requested assistance. Keep
  15. 1:06 flying the airplane; the practice pause is not operational delay.
  16. 1:20 PILOT: Mayday, mayday, mayday, Seattle Approach, Evektor 827EV, 12 miles east of
  17. 1:25 Paine Field, pilot having difficulty concentrating and blurred vision, suspect
  18. 1:29 hypoxia. Need immediate descent and assistance to land.
  19. 1:34 APPROACH: Evektor 827EV, roger, say persons on board and fuel remaining when able
  20. 1:40 NARRATOR: Your task: For this exercise, there are 2 people on board and estimated
  21. 1:46 usable fuel is 45 minutes. Your indicated altitude is 3500 feet and heading is 360.
  22. 1:51 Give only what workload permits; these are scenario facts, not a checklist.
  23. 2:06 PILOT: fuel remaining 45 minutes. At 3500, 2 people on board. I can still control the
  24. 2:13 aircraft, but my concentration and vision are affected. Keep instructions brief,
  25. 2:17 Evektor 827EV
  26. 2:20 NARRATOR: End of this exercise: End of the radio decision exercise. The stated
  27. 2:24 condition remains unresolved; no landing, rescue, repair or medical outcome is
  28. 2:28 assumed. Continue the appropriate aircraft-specific procedures and assistance
  29. 2:31 coordination.
  30. 2:33 NARRATOR: Chapter debrief: Communications exercise ends with the stated condition
  31. 2:37 unresolved; subsequent aircraft handling is outside scope.
  32. 2:42 NARRATOR: If you enjoyed this video like and subscribe

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Minimum Fuel Advisory →