ENAE631

Helicopter Aerodynamics I

Prerequisite: ENAE414 and ENAE311. Or permission of ENGR-Aerospace Engineering department; and permission of instructor. A history of rotary-wing aircraft, introduction to hovering theory, hovering and axial flight performance, factors affecting hovering and vertical flight performance, autorotation in vertical descent, concepts of blade motion and control, aerodynamics of forward flight, forward flight performance, operational envelope, and introduction to rotor acoustics. Those sections that begin with a letter are taught via ITV and are not intended for College Park campus students.

Fall 2025

3 reviews
Average rating: 3.67

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Past Semesters

3 reviews
Average rating: 3.67

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Average rating: 3.67

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Average rating: 3.67

3 reviews
Average rating: 3.67

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During the Spring 2020 and Spring 2021 semesters, students could choose to take some of their courses pass-fail mid-semester which skews grade data aggregated across multiple semesters.

Average GPA of 3.29 between 197 students*

ENAE631 Grade Distribution+-0510152025303540455055% of studentsABCDFWother
A-: 15.74%
A: 24.87%
A+: 11.68%
B-: 7.61%
B: 12.69%
B+: 14.72%
C: 2.54%
C+: 1.52%
D: 0.51%
F: 1.52%
W: 4.06%
other: 2.54%
* "W"s are considered to be 0.0 quality points. "Other" grades are not factored into GPA calculation. Grade data not guaranteed to be correct.