Ready to push the limits of your Embraer expertise? Our Embraer 170 Maximum Speed & Limitations Quiz is designed to challenge both experienced pilots and aviation enthusiasts alike. Test your knowledge of embraer 170 maximum speed, embraer 170 runway slope limitations, embraer 170 fuel management, as well as embraer 190 max takeoff weight and embraer 190 EGPWS operations. You'll uncover critical performance insights and see how it compares to similar regional jets in our embraer 170 175 difference overview and hone your skills with a deep dive into embraer 190 speed techniques. Dive in now and elevate your cockpit IQ to new heights!
What is the maximum operating speed (Vmo) of the Embraer 170?
300 KIAS
260 KIAS
270 KIAS
250 KIAS
The Embraer 170's Vmo is limited to 270 KIAS below the crossover altitude to protect structural integrity. Above that the limit is defined in Mach. Pilots reference the AFM for the exact speed vs altitude schedule. See FlightCrewGuide for details.
What is the maximum Mach number (Mmo) for the Embraer 170?
0.82 Mach
0.85 Mach
0.78 Mach
0.80 Mach
Embraer specifies Mmo at 0.82 for the E170 to ensure the aerodynamic and structural safety margins are maintained at high altitudes. Above crossover altitude the aircraft speed is expressed in Mach. Consult the AFM for the Mach schedule. More info at FlightCrewGuide.
What is the maximum flaps extension speed (Vfe) for Flaps 1 on the Embraer 170?
230 KIAS
250 KIAS
200 KIAS
210 KIAS
The Flaps 1 speed limit is 230 KIAS to protect flap structure. Exceeding this speed risks over-stressing the flaps. The AFM tabulates all Vfe speeds by flap setting. See FlightCrewGuide.
What is the maximum flaps extension speed (Vfe) for Flaps 2 on the Embraer 170?
200 KIAS
180 KIAS
240 KIAS
220 KIAS
Flaps 2 speed limit is 200 KIAS per the AFM to prevent structural damage. Pilots must adhere strictly to these speeds during approach. The flap placard in the cockpit confirms this limit. Reference: FlightCrewGuide.
What is the maximum landing gear extension speed for the Embraer 170?
230 KIAS
270 KIAS
200 KIAS
250 KIAS
The landing gear extension speed is limited to 250 KIAS to ensure safe gear deployment and avoid structural stress. Exceeding this limit can cause gear door damage or unsafe extension. Detailed gear speed table is in the AFM. See FlightCrewGuide.
What is the maximum windshield wiper operating speed on the Embraer 170?
250 KIAS
150 KIAS
300 KIAS
200 KIAS
Windshield wiper use is limited to 200 KIAS due to aerodynamic loads at higher speeds. Using wipers above this speed risks mechanical failure. The cockpit placard and AFM AMM confirm this limitation. More at FlightCrewGuide.
What is the maximum permissible runway slope for takeoff and landing on the Embraer 170?
±1%
±1.5%
±3%
±2%
Embraer limits runway slope to ±2% for both takeoff and landing to ensure proper performance calculations. Slopes beyond this risk degraded liftoff or landing roll performance. The Performance Manual contains runway slope data tables. See FlightCrewGuide.
What is the demonstrated maximum crosswind component for the Embraer 170 during takeoff?
31 knots
35 knots
25 knots
40 knots
The demonstrated crosswind component is 31 knots, meaning the aircraft has been tested safely up to that value. Operational limits may be lower based on airline SOPs. The AFM lists the demonstrated crosswind. Reference: FlightCrewGuide.
What is the maximum takeoff weight (MTOW) of the Embraer 170?
81,870 lb
90,000 lb
85,000 lb
75,000 lb
The E170 standard MTOW is 81,870 lb as published in the AFM. Exceeding MTOW is not permitted and requires special performance checks. Weight limits are essential for structural and performance safety. See FlightCrewGuide.
What is the service ceiling (maximum certified altitude) of the Embraer 170?
39,000 ft
41,000 ft
43,000 ft
37,000 ft
The Embraer 170's service ceiling is 41,000 ft per certification limits. Above this altitude, climb performance and cabin pressurization become insufficient. Pilots plan cruise below this maximum. More info: FlightCrewGuide.
What is the maximum cabin differential pressure for the Embraer 170?
9.0 psi
8.6 psi
8.0 psi
7.5 psi
Maximum cabin differential pressure is 8.6 psi to protect fuselage integrity. Exceeding this can overstress the pressure vessel. Pilots monitor cabin diff pressure on ECAM. See FlightCrewGuide.
What is the maximum landing weight (MLW) for the Embraer 170?
72,500 lb
70,000 lb
78,000 lb
75,000 lb
The MLW of 72,500 lb ensures the landing gear and structure absorb touchdown loads safely. Landing above MLW requires special inspection. Always calculate landing weight in performance planning. See FlightCrewGuide.
What is the maximum tailwind component permitted for takeoff on the Embraer 170?
10 knots
20 knots
5 knots
15 knots
The Embraer 170 is certified for a maximum tailwind component of 10 knots on takeoff. Operations above this may degrade performance and directional control. Airlines may impose stricter limits. More at FlightCrewGuide.
Below what radio altitude are EGPWS warnings inhibited after takeoff?
800 ft RA
600 ft RA
200 ft RA
400 ft RA
EGPWS inhibit function prevents nuisance terrain warnings below 400 ft radio altitude during takeoff. This avoids false alerts in ground effect. Once above 400 ft RA, full envelope protection resumes. See FlightCrewGuide.
By what altitude must Flaps 1 be retracted during climb?
1,000 ft AGL
500 ft AGL
800 ft AGL
1,200 ft AGL
The AFM mandates Flaps 1 be retracted by 800 ft AGL to ensure climb performance and obstacle clearance. Failure to retract by this altitude risks performance degradation. The SOP checklist confirms this callout. More at FlightCrewGuide.
What is the Vfe limit for Flaps 8 on the Embraer 170?
220 KIAS
240 KIAS
200 KIAS
180 KIAS
Flaps 8 corresponds to a 200 KIAS limit per the flap placard. This protects the flaps at intermediate extension. AFM charts list all Vfe by flap setting. See FlightCrewGuide.
At approximately what flight level does speed limit transition from 270 KIAS to Mach 0.82?
FL 320
FL 300
FL 350
FL 280
The Vmo/Mmo crossover altitude is near FL300, where indicated speed limit reaches 270 KIAS and then converts to Mach. This is published in the AFM limitations section. Pilots reference speed schedules in the FMC. See FlightCrewGuide.
What is the maximum altitude for engine start using APU bleed air?
FL 210
FL 200
FL 180
FL 150
APU bleed air for engine start is certified up to FL210. Above this altitude bleed pressure and temperature are insufficient to support start. The AFM starter section shows this limit. See FlightCrewGuide.
What is the maximum permissible fuel imbalance between wing tanks?
1,500 lb
500 lb
2,000 lb
1,000 lb
The AFM specifies a maximum fuel imbalance of 1,500 lb to maintain lateral CG and controllability. Greater imbalance can affect roll characteristics. Crew monitors fuel synoptic for balance. See FlightCrewGuide.
What is the maximum fuel temperature permitted before refueling?
0°C
49°C
-20°C
60°C
Fuel temperature must not exceed 49°C to ensure proper density and prevent vapor lock. Above this temperature fuel can vaporize in hot tanks. The refueling procedure warns crews to check tank temperatures. See FlightCrewGuide.
What is the maximum demonstrated crosswind component for landing the Embraer 170?
25 knots
35 knots
31 knots
29 knots
Demonstrated maximum crosswind for landing is also 31 knots, matching takeoff tests. This figure shows the aircraft can safely handle crosswinds up to that speed. Operational limits may be lower per company SOP. Reference: FlightCrewGuide.
What is the maximum taxi speed with nose wheel steering engaged?
40 knots
30 knots
20 knots
10 knots
Nose wheel steering is limited to 20 knots to prevent overloading the steering system. Higher taxi speeds use differential braking instead. The Taxi Limitations placard confirms this. See FlightCrewGuide.
What is the maximum brake cooling time before high-thrust takeoff is allowed again?
5 minutes
20 minutes
10 minutes
15 minutes
After a high-energy stop or rejected takeoff, brakes must cool for 15 minutes to avoid overheating. Attempting another high-thrust takeoff sooner risks brake failure. The AFM procedure section outlines this. See FlightCrewGuide.
What is the minimum fuel quantity required in each wing tank for a go-around?
3,000 lb
4,000 lb
2,000 lb
1,000 lb
At least 3,000 lb per wing must remain before initiating a go-around to ensure hydraulic and electrical cooling. Below this the APU and hydraulics may not function reliably. Flight planning ensures this margin. See FlightCrewGuide.
What is the maximum altitude at which flaps or slats may be extended?
FL 250
20,000 ft
FL 300
FL 200
The AFM states flaps/slats extension is prohibited above 20,000 ft due to aerodynamic loads. Attempting extension at higher altitudes may damage the mechanism. Crews plan flap schedules accordingly. See FlightCrewGuide.
What is the minimum autopilot engage altitude after takeoff?
600 ft AGL
200 ft AGL
400 ft AGL
1,000 ft AGL
The autopilot is approved for engagement no earlier than 1,000 ft AGL to ensure stable flight. Engaging below this altitude risks mode confusion or insufficient bank protection. SOP checklists enforce this rule. More info at FlightCrewGuide.
What is the minimum oil quantity required per engine for a cold start on the ground?
2 quarts
4 quarts
3 quarts
5 quarts
The AFM specifies a minimum of 4 quarts of oil per engine before start to ensure adequate lubrication. Starting with less can damage bearings. Oil levels are checked on the preflight walkaround. See FlightCrewGuide.
At what airspeed must you retract the landing gear after takeoff?
160 KIAS
150 KIAS
140 KIAS
170 KIAS
The gear up call and lever up normally occur at 150 KIAS to optimize climb performance. Retracting too early can reduce climb gradient; too late increases drag. AFM provides recommended sequences. See FlightCrewGuide.
What is the maximum altitude imbalance correction rate for fuel transfer?
2,000 lb/min
1,500 lb/min
1,000 lb/min
500 lb/min
Fuel transfer pumps move up to 1,000 lb per minute between tanks for CG control. Exceeding this rate can flood pumps or cause imbalance. The FCPC automates the process within these limits. More at FlightCrewGuide.
What is the maximum differential pressure for one-engine-inoperative pressurization?
9.2 psi
8.6 psi
7.8 psi
7.2 psi
Even with one pack inoperative, the system retains the full 8.6 psi differential capability. This ensures cabin comfort and structural margins. Check ECAM pages for pack status. Reference: FlightCrewGuide.
What is the minimum maneuvering speed (VA) at maximum gross weight?
270 KIAS
230 KIAS
250 KIAS
210 KIAS
VA at max gross weight is 230 KIAS to protect the wing from excessive loads during abrupt maneuvers. The AFM lists VA across weight increments. Pilots slow to maneuvering speeds before turbulence. See FlightCrewGuide.
During a high-altitude descent, what is the maximum speed the aircraft can be at Mach until 25,000 ft?
0.80 Mach
0.85 Mach
0.78 Mach
0.82 Mach
Even during descent, the Mmo of 0.82 remains unchanged until flap extension is commanded. This ensures structural limits are not exceeded. Below the crossover altitude the limit reverts to 270 KIAS. See FlightCrewGuide.
What is the maximum permitted cabin differential rate of change during climb?
0.3 psi/sec
0.7 psi/sec
0.5 psi/sec
1.0 psi/sec
The cabin pressurization system limits rate of climb differential change to 0.5 psi/sec to ensure passenger comfort and structural integrity. Faster rates are inhibited by outflow valve modulation. The pressurization section of the AFM covers this. See FlightCrewGuide.
What is the minimum altitude above which the APU exhaust must not be obstructed by ground equipment?
15 ft
5 ft
10 ft
20 ft
Ground clearance for APU exhaust must exceed 10 ft to avoid recirculation of hot gases. The AFM Ground Servicing section mandates this distance. Violating it risks APU damage or fire hazard. See FlightCrewGuide.
At what cabin altitude is crew warning generated for high cabin altitude?
8,000 ft
14,000 ft
10,000 ft
12,000 ft
A cabin altitude warning horn sounds at 10,000 ft to alert crew of pressurization failure. This is mandated by certification standards for rapid decompression. Oxygen masks drop automatically above this altitude. See FlightCrewGuide.
What is the maximum time continuous use of windshield wipers?
5 minutes
2 minutes
Unlimited
10 minutes
Windshield wipers should not be used continuously for more than 5 minutes to prevent motor overheating. The cockpit placard and AFM caution against extended use. Pilots should park at safe area if visibility aids fail. See FlightCrewGuide.
What is the maximum autopilot altitude capture accuracy deviation in coupled approaches?
±25 ft
±50 ft
±15 ft
±35 ft
Autopilot altitude capture accuracy is ±25 ft for coupled ILS approaches, ensuring stable glidepath tracking. This reflects certification requirements for Category I operations. Pilots verify capture mode annunciation. More at FlightCrewGuide.
What is the limit for continuous operation of the packs on the ground with one engine running?
20 minutes
30 minutes
Unlimited
10 minutes
Pack operation on the ground with only one engine bleed source is limited to 20 minutes to prevent overheat. Beyond that, pack cooling is insufficient. AFM ground procedures specify alternate cooling or APU bleed. Reference: FlightCrewGuide.
What runway slope correction must be applied to VREF when landing uphill at 2% slope?
-5 KIAS
+10 KIAS
+5 KIAS
No correction
An uphill slope increases required approach speed by 10 KIAS for proper energy. The Performance Manual details slope corrections for VREF. Pilots calculate this in landing performance. See FlightCrewGuide.
At high altitude airports, what additional VREF correction is recommended for a hot and high condition?
-5 KIAS
+15 KIAS
+10 KIAS
+5 KIAS
Hot and high operations degrade lift, requiring an extra 15 KIAS margin above normal VREF. This compensates for reduced air density. Performance charts give exact corrections. See FlightCrewGuide.
During an engine failure above FL350, what is the maximum manoeuvering altitude to maintain cabin differential?
FL 450
FL 390
FL 410
FL 430
One-pack operation limits max altitude to FL410 to preserve sufficient bleed and pressurization. Above this the cabin cannot maintain differential with one pack. The Quick Reference Handbook lists this. See FlightCrewGuide.
In severe icing, what additional speed margin above flaps up maneuver speed is advised?
+10 KIAS
+15 KIAS
+5 KIAS
+20 KIAS
In severe icing conditions, a 10 KIAS margin above clean maneuvering speed is recommended to maintain controllability despite accreted ice. This reduces stall risk. SOPs instruct crews to increase speeds accordingly. See FlightCrewGuide.
What is the maximum approved tailwind component for dispatch during CAT II ILS approaches?
5 knots
10 knots
20 knots
15 knots
CAT II ILS approach operations allow up to 15 knots tailwind as per certification tests. This ensures adequate glideslope capture and touchdown performance. Airlines may impose stricter limits. Reference: FlightCrewGuide.
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Study Outcomes
Understand Embraer 170 Maximum Speed Parameters -
Gain clarity on the certified embraer 170 maximum speed envelopes and how they impact cruise and descent phases for safe operations.
Analyze Embraer 170 Runway Slope Limitations -
Identify the runway slope constraints for the embraer 170 and assess how gradient variations affect takeoff and landing performance.
Apply Embraer 190 Max Takeoff Weight Procedures -
Learn to calculate and verify the embraer 190 max takeoff weight limits, ensuring compliance with operational and safety standards.
Evaluate Embraer 190 EGPWS Operations -
Review the embraer 190 EGPWS operations and demonstrate proper response strategies to terrain and obstacle alerts.
Understand how TCAS and EGPWS systems collaborate on Embraer 170/190 aircraft to enhance situational awareness and avoid collisions.
Cheat Sheet
Embraer 170 Maximum Operating Speeds -
The Embraer 170's certified max speeds are VMO 320 KIAS and MMO 0.82 Mach, per the AFM and EASA documentation. Use the true airspeed conversion TAS≈KIAS×√(ϝ₀/ϝ) at high altitudes to verify compliance. A handy mnemonic is "Three-Two-Zero, Mach Zero-Eight-Two" to cement both limits.
Embraer 190 Maximum Takeoff Weight -
The Embraer 190's MTOW is 50 790 kg (112 000 lb) according to the official Embraer specification sheets. Always cross-check with your dispatch release and apply temperature and pressure altitude corrections using the ISA deviation chart. Remember "Fifty-One for Flight One-Ninety" to recall the ~51 000 kg limit.
Runway Slope Limitations for the E170 -
The Embraer 170 allows a maximum runway slope of ±2 % (both uphill and downhill) as stated in the AFM performance section. When calculating takeoff and landing distances, add 10 % runway length for every 1 % uphill slope using ΔL=L₀×(slope%×0.10). This ensures you remain within performance margins on sloped runways.
Embraer 190 EGPWS Operational Modes -
The EGPWS on the E190 complies with FAA TSO-C151 and provides alerts in five modes, including Excessive Descent Rate and Terrain Clearance Floor. Reference the Embraer FCOM and ICAO's TAWS manual for detailed mode definitions. Use the "DATT" mnemonic (Descending, Altitude, Terrain, Tones) to recall the main warning triggers.
Embraer 170 Fuel Management Procedures -
In NORM mode the E170 draws fuel from the center tank until it's empty, then balances wing tanks automatically, as detailed in the FCOM. The system limits wing-to-wing imbalance to 460 kg; activate crossfeed if exceeded. Remember "Center Clears the Way" to recall that the center tank drains before wing tanks during climb.
