Design real aircraft and spacecraft systems — aerodynamics, compressible flow, propulsion, jet engines, rocket propulsion, stability & control, orbital mechanics, and avionics. 17 core modules, 5 complete real-project case studies (small UAS conceptual design, jet engine performance analysis, aircraft stability & control analysis, CubeSat mission design, rocket propulsion system sizing), a 12-template documentation kit, and a certificate of completion. One-time $4.99 purchase, no account required.
Explore the Full Curriculum →No. NCEES does not offer a standalone FE Aerospace or PE Aerospace exam. Aerospace engineers who want professional licensure take the FE Mechanical and then the PE Mechanical exam, because the mechanical engineering body of knowledge overlaps heavily with aerospace fundamentals. Many aerospace engineers, however, never need a PE — much of the field works under engineering-team or industrial-exemption models rather than stamping individual public designs.
They route through mechanical engineering: pass the FE Mechanical (the first step, usually taken near graduation), gain about four years of qualifying experience, and pass the PE Mechanical exam through a state board. The mechanical exams cover thermodynamics, fluid mechanics, heat transfer, machine design, and dynamics — the same fundamentals that underpin aerodynamics, propulsion, and aerospace structures.
Usually not. Most aerospace work happens inside aircraft and engine OEMs, space and launch companies, defense contractors, and agencies like NASA, where designs are produced and certified by engineering teams under industrial-exemption rules rather than stamped by an individual licensee. For defense and space roles, eligibility for a U.S. security clearance is often far more important to a career than a PE. Engineers who move into consulting or public-facing structural work are the main exception where a PE adds value.
They are focused study banks — Aerodynamics Fundamentals, Aircraft & Rocket Propulsion Fundamentals, and Astronautics & Orbital Mechanics — built around the technical fundamentals the discipline runs on. They are learning and self-assessment aids, not NCEES exams, and passing them confers no license or formal credential. They are designed to build and test command of the core aerospace concepts that show up in coursework, interviews, and day-to-day analysis.
Beyond the fundamentals — aerodynamics, compressible flow, propulsion, flight mechanics, stability and control, and orbital mechanics — competitiveness in aerospace comes from analysis-tool fluency. Employers value CFD (ANSYS Fluent, Star-CCM+), CAD (CATIA, NX), FEA (Nastran), MATLAB/Simulink for dynamics and control, and STK for mission analysis. For space and defense roles, security-clearance eligibility and hands-on project or research experience often matter as much as credentials.
Satellite clocks run slower from special relativity (-7 μs/day, orbital speed) and faster from general relativity (+45 μs/day, weaker gravity). The two don't cancel — and the fix is pre-tuned into the clock before launch.
Below Mach ~0.3, air is essentially incompressible. Near Mach 1, it isn't — and a shock wave forms because pressure disturbances can no longer outrun the flow to warn it smoothly ahead of time.
The airspeed indicator measures dynamic pressure, not true velocity. Thinner air at altitude means the same true speed produces less pressure — so the dial under-reads, by roughly 2% per 1,000 ft.
Center of gravity comes from mass, center of pressure moves with angle of attack, and the aerodynamic center stays fixed near the quarter-chord. Stability depends on keeping CG ahead of that one fixed point.
V1 isn't a judgment call — it's pre-calculated for that flight's weight, runway, and conditions. Below it, reject. At or above it, continue: aborting past V1 risks running out of runway.
Pitch attitude is the nose vs. the horizon. Angle of attack is the wing vs. the actual relative wind. A steep, nose-down descent can still be a stall if the real flight path is even steeper than the nose suggests.
Static stability only checks the initial tendency after a disturbance. Dynamic stability asks what happens over the following seconds — the same 'correct' restoring push each cycle can still add energy to the oscillation instead of removing it.
True airspeed (relative to the air mass) drives lift, drag, and stall margin. Ground speed (relative to the earth) is TAS combined with wind — a tailwind shortens flight time but changes nothing about how the airplane actually flies.
Pressure altitude is the altimeter reading with 29.92 inHg set — it ignores temperature entirely. Density altitude corrects for temperature (and humidity) and is the number that actually governs lift, engine power, and takeoff roll.
Va is the speed below which a single abrupt full control input stalls the wing before overstressing the airframe — and it falls as weight decreases. Vne is a fixed structural/flutter limit that never changes, no matter the weight.
Interactive 16-section reference covering aerodynamic lift and drag, airfoil and wing design, the standard atmosphere, compressible flow and Mach number, aircraft and rocket propulsion, orbital mechanics, stability and control, structures and materials, fatigue, avionics, and certification.