Key Technical Deltas & Mission Envelopes
+2,040 kg
Embraer E175 (40,370 kg) vs Bombardier CRJ900 (38,330 kg). Structural maximum weight dictates certified runway length requirements and navigation airspace fee calculations.
+924 km
Embraer E175 reaches 4,074 km, while Bombardier CRJ900 achieves 3,150 km under mandatory ETOPS reserve fuel rules.
+0 seats
76 passengers aboard Embraer E175 compared to 76 in Bombardier CRJ900, governing revenue seat-kilometer generation and cabin aisle ergonomics.
+1.1 m
26 m (Embraer E175) versus 24.9 m (Bombardier CRJ900), governing ICAO Aerodrome Reference Code gate docking boundaries.
| Aeronautical Metric | Embraer E175 | Bombardier CRJ900 | Comparative Delta |
|---|---|---|---|
| Maximum Takeoff Weight (MTOW) | 40,370 kg | 38,330 kg | +2,040 kg |
| Maximum Payload Range | 4,074 km | 3,150 km | +924 km |
| Wingspan Geometry | 26 m | 24.9 m | +1.1 m |
| Typical 2-Class Passenger Seating | 76 seats | 76 seats | +0 seats |
| Transonic Cruise Speed | Mach 0.78 | Mach 0.78 | 0.00 |
Aerodynamic Architecture & Propulsion Metrology
Aerodynamic Efficiency & Wing Planform Optimization
When contrasting the Embraer E175 against the Bombardier CRJ900, aerodynamic configuration represents the primary determinant of transonic cruise efficiency. The Embraer E175 exhibits a wingspan of 26 meters with optimized wing sweep, designed to delay Mach shockwave formation across the upper airfoil surface. In comparison, the Bombardier CRJ900 features an aerodynamic span of 24.9 meters, engineered with specialized wingtip devices to attenuate induced vortex drag. Modern high-aspect-ratio wing designs lower fuel consumption by preserving laminar boundary-layer flow and mitigating drag-divergence Mach penalties during long-range cruise regimes at FL350 to FL410.
Supercritical aerofoil sections delay boundary layer separation at transonic Mach numbers, flattening the upper wing pressure distribution to minimize wave drag. Computational fluid dynamics (CFD) optimizations across both airframes govern lift-to-drag ratios during high-altitude cruise, directly translating to thousands of kilograms in fuel burn divergence across typical 5,000 nautical mile mission profiles. Aerodynamic wing-to-body fairings smoothly blend fuselage contours to suppress interference drag throughout critical climb regimes.
Propulsion Architecture & Thrust-to-Weight Dynamics
Turbofan powerplant selection governs thermodynamic efficiency and operational climb gradients. The Embraer E175 utilizes General Electric CF34-8E (2x) engines generating 63.2 kN of takeoff thrust per nacelle, resulting in a certified thrust-to-weight ratio of 0.319. Conversely, the Bombardier CRJ900 is powered by General Electric CF34-8C5 (2x) powerplants delivering 64.5 kN each with a thrust-to-weight ratio of 0.343. Higher bypass ratios reduce specific fuel consumption and engine noise acoustic signatures, enabling full compliance with ICAO Chapter 14 noise standards while assuring second-segment climb gradient margins during single-engine failure scenarios.
Full Authority Digital Engine Control (FADEC) governs turbine blade thermal cycles and variable bleed valve scheduling, maximizing thermodynamic Brayton cycle efficiency. Automated thrust derate capabilities protect turbine hot sections during takeoff from sea-level runways, reducing life-limited part replacement cycles and minimizing unscheduled engine removals. Certified single-engine drift-down ceilings guarantee positive obstacle clearance over high mountain ranges during en-route depressurization or powerplant shutdown.
Certified Flight Deck Dispatch Compliance
Operating Economics, CASK & Ramp Ground Compatibility
Payload-Range Trade-Off & Available Seat-Kilometer Economics
Airline fleet planning hinges upon the mathematical trade-off between payload weight and maximum sector distance. The Embraer E175 provides a maximum structural payload of 10,100 kg alongside a maximum fuel capacity of 11,620 liters. In head-to-head route dispatch modeling, the Bombardier CRJ900 accommodates 10,250 kg of payload with a fuel volume of 11,800 liters. Cost per Available Seat-Kilometer (CASK) favors whichever airframe achieves superior structural weight fraction and lower maintenance per block hour, providing dispatch flexibility across diverse high-density stage lengths.
Revenue Seat-Kilometer (RSK) optimization requires evaluating passenger cabin comfort tiers, galley locations, and lavatory monuments. Composite airframe structures allow higher cabin humidity levels (up to 15%) and lower effective cabin altitudes (6,000 feet instead of 8,000 feet), substantially reducing passenger fatigue on long-haul missions. Underfloor cargo volume configured for standardized LD3 unit load devices (ULD) generates vital auxiliary belly-freight revenue across international long-haul corridors.
Airport Infrastructure & Ramp Ground Compatibility
Ground handling logistics and airport apron compatibility are strictly determined by physical dimensions. The Embraer E175 measures 31.68 meters in length and 9.67 meters in empennage height, demanding specific gate clearances and turnaround ground support equipment. The Bombardier CRJ900, with a length of 36.2 meters and tail height of 7.5 meters, impacts pavement loading through its certified Main Landing Gear footprint. Both airframes require careful alignment with airport jet bridge docking systems, fuel hydrant supply flowrates, and runway pavement classification ratings (PCR/ACR) under current FAA and EASA aerodrome operating directives.
Turnaround efficiency directly impacts daily aircraft utilization. Multi-wheel landing gear arrangements distribute certified gross takeoff weight across flexible and rigid pavements, preventing structural subgrade fatigue while ground servicing vehicles complete synchronized cargo loading, water servicing, and pre-conditioned air delivery.
Certified Flight Deck Hardware & Avionics Controllers
Thrustmaster TCA Yoke Pack Boeing Edition
Officially licensed 1:1 scale pendular yoke and modular throttle quadrant with authentic Boeing 787/777 reverser detents.
View Boeing Flight Deck Yoke ➔Thrustmaster TCA Captain Pack Airbus Edition
Ergonomic side-stick replica and dual-engine quadrant with operational reverser mechanism for A320neo, A321XLR, and A350 simulation.
View Airbus Sidestick & Quadrant ➔Honeycomb Aeronautical Bravo Throttle Quadrant
Universal multi-engine flight console with commercial airliner autopilot annunciator panel and configurable levers.
Explore Honeycomb Throttle Console ➔
How does the Embraer E175 compare to the Bombardier CRJ900 in flight range?
The Embraer E175 achieves a maximum certified payload range of 4,074 km (2,200 nmi), compared to 3,150 km (1,701 nmi) on the Bombardier CRJ900, a mission delta of 924 km.
Which aircraft offers higher maximum certified takeoff weight?
The Embraer E175 holds the higher certified Maximum Takeoff Weight at 40,370 kg, versus 38,330 kg on the Bombardier CRJ900.