IFR Weather Quiz SC
Ready for some extreme weather!??? Take the quiz and see how much you understand what is creating the weather around you!
And Oh, by the way, if you can get a 90% or better on the quiz, you’ll be able to safely put your airplane down at our next stop of SKX, Taos Regional Airport. (careful, the density altitude can be brutal there).
IFR Weather Quiz Copy
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Looks like the high density altitude at SKX got the best of you. Try to pass this quiz with a 90% or better…
The private pilot and three passengers departed in the airplane from a 3,000-ft-long runway with a density altitude of about 3,000 ft and a light wind. Surveillance video showed that the airplane did not use the entire length of the runway for takeoff; the pilot began his takeoff roll where the paved section of the part turf/part asphalt runway began, resulting in 2,400 ft of available runway. During the ground roll, the nose of the airplane lifted off and then settled back onto the runway, and the airplane became airborne at 1,500 ft. Witnesses described the takeoff and initial climb as “slow” and “sluggish.” The wings rocked, and the airplane climbed to about 100 ft in a continuous left turn before descending into trees 1,000 ft left of the runway centerline.
Examination of the airplane and its engine revealed no evidence of preimpact mechanical malfunction or anomaly. An estimate of the airplane’s takeoff weight indicated that it was about 66 lbs over the maximum allowable takeoff weight of 2,750 pounds. Review of performance charts revealed that the takeoff ground roll distance for the airplane at the maximum allowable gross weight was about 2,180 ft. Review of radar data showed that from rotation to the final radar target, the airplane’s groundspeed (which was about the same as its airspeed given the light wind) varied between 61 and 67 knots, which was about the airplane’s calculated stall speed of 60 knots. Further, the witness observations were consistent with the pilot failing to attain sufficient airspeed, which resulted in the airplane’s wing exceeding its critical angle of attack and an aerodynamic stall.
It is likely that the pilot lifted off prematurely at a speed lower than normal and was unable to accelerate or climb the airplane once it exited ground effect. A premature liftoff and a climb attempt at a speed significantly below best angle of climb speed (78 knots) placed the airplane in a situation where the power required for level flight was very near or exceeded the available power. To recover from this situation the pilot needed to lower the airplane’s nose in order to accelerate the airplane to obtain a positive rate of climb. However, such an action is counterintuitive when low to the ground and requires accurate problem recognition, knowledge of the correct solution, and sufficient terrain clearance to accomplish.
Good Job! You’ve made it safely on the ground into SKX!
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Question 1 of 15
1. Question1 point(s)
When can you expect windshear to occur? (check all that apply)CorrectIncorrect
Question 2 of 15
2. Question1 point(s)
Windshear will occur ___________.CorrectIncorrect
Question 3 of 15
3. Question1 point(s)
The amount of water vapor the air can hold depends on the ________.CorrectIncorrect
Question 4 of 15
4. Question1 point(s)
Which type of fog has icing and turbulence associated with it?CorrectIncorrect
Question 5 of 15
5. Question1 point(s)
An air mass moves inland from the coast in winter. This is most likely to produce _______ fog.CorrectIncorrect
Question 6 of 15
6. Question1 point(s)
Adding the sufix “nimbus” to a cloud means what?CorrectIncorrect
Question 7 of 15
7. Question1 point(s)
Standard atmospheric conditions are ________.CorrectIncorrect
Question 8 of 15
8. Question1 point(s)
Which clouds indicate stable air?
(hint: light drizzle precip)CorrectIncorrect
Question 9 of 15
9. Question1 point(s)
Which clouds have the greatest updrafts and thus the greatest turbulence?CorrectIncorrect
Question 10 of 15
10. Question1 point(s)
Dewpoint is the temperature at which _______.CorrectIncorrect
Question 11 of 15
11. Question1 point(s)
Frost forms when _______.CorrectIncorrect
Question 12 of 15
12. Question1 point(s)
If you fly into wet snow at your altitude, what does that indicate?CorrectIncorrect
Question 13 of 15
13. Question1 point(s)
If you takeoff with a density altitude equal to the service ceiling of the airplane, what kind of performance can you expect?CorrectIncorrect
Question 14 of 15
14. Question1 point(s)
If an airplane has a service ceiling of 15,000′, does that mean the aircraft can safely take off at a density altitude of 15,000′? (Apply your knowledge, No the answer to this question is not explicitly found in the previous lesson).CorrectIncorrect
Question 15 of 15
15. Question1 point(s)
Is the absolute ceiling of an airplane given in the POH as a density altitude or a MSL altitude? (Apply your knowledge, No the answer to this question is not explicitly found in the previous lesson).CorrectIncorrect