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Modern conventional military helicopters generally publish maximum or upper-end speeds of about 150 to 170 knots (roughly 279 to 315 km/h), but there is no single speed for every aircraft. The figure changes with the model, variant, payload, altitude, weather and—most importantly—the performance label being used. Boeing lists the AH-64E Apache at 150+ knots (279+ km/h) maximum level-flight speed, while its CH-47F Block II Chinook is listed at 170 KTAS maximum speed and 157 KTAS cruise speed. The U.S. Army gives the UH-60L/M Black Hawk a 120–145-knot cruise airspeed and a 156-knot maximum continuous airspeed. The Army’s 280-knot figure for the MV-22B Osprey is a separate case because it is a tiltrotor, not a conventional helicopter.
Published speeds at a glance
The table below keeps each number attached to the exact term used by its publisher. That distinction matters: a cruise speed is not a maximum speed, and a combat-mission figure is not automatically a test or structural limit.
| Aircraft | Published figure | Source label | Source |
|---|---|---|---|
| Boeing AH-64E Apache | 150+ knots (279+ km/h) | Maximum level-flight speed | Boeing AH-64 Apache |
| Boeing CH-47F Block II Chinook | 170 KTAS (302 km/h) | Maximum speed | Boeing H-47 Chinook |
| Boeing CH-47F Block II Chinook | 157 KTAS (291 km/h) | Cruise speed | Boeing H-47 Chinook |
| UH-60L/M Black Hawk | 120–145 knots | Cruise airspeed | U.S. Army FM 3-04 (2020) |
| UH-60L/M Black Hawk | 156 knots | Maximum continuous airspeed | U.S. Army FM 3-04 (2020) |
| MV-22B Osprey | Up to 280 knots | Speed reported by the Army | U.S. Army, 82nd Airborne Division (2020) |
The Boeing figures were taken from the manufacturer’s current aircraft pages as accessed for this article on October 13, 2026. The Black Hawk figures come from the Army’s April 2020 flight manual. The Apache comparison article from 2014 uses another label, so its numbers should not be blended with Boeing’s specification.
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What “speed” means for a military helicopter
Maximum speed
“Maximum speed” is an upper performance figure, but it does not describe a normal patrol or transport setting. The conditions behind the number can include a particular weight, altitude, temperature and configuration. Boeing’s 170 KTAS figure for the CH-47F Block II is therefore best read as the published ceiling for that variant, not as the speed crews use for every mission.
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Maximum level-flight speed
Boeing labels the AH-64E’s 150+ knots specifically as maximum level-flight speed. “Level flight” tells you that the aircraft is not trading altitude for speed in a descent. The plus sign also means the page does not state a precise upper endpoint; it establishes a floor of at least 150 knots under the manufacturer’s stated conditions.
Cruise speed
Cruise is an operating target chosen for an efficient, sustainable mission rather than a short-duration dash. The CH-47F Block II is listed at 157 KTAS in cruise, below its 170-KTAS maximum. The Army’s UH-60L/M table gives a cruise range of 120 to 145 knots instead of one fixed value, reflecting the fact that a Black Hawk’s practical cruise depends on how it is configured and employed.
Maximum continuous airspeed
The Black Hawk’s 156 knots is identified as maximum continuous airspeed. That is a different category from both the 120–145-knot cruise range and a one-time maximum. It is the Army’s published continuous operating figure for the UH-60L/M entry and should not be presented as the aircraft’s universal top speed.
Combat mission speed
The Army’s Apache material uses the phrase combat mission speed. In that source, the AH-64D is listed at 145 knots and the AH-64E at 164 knots. Those values describe the Army’s comparison for a combat mission; they are not interchangeable with Boeing’s 150+ knots maximum-level-flight figure. Different variants and labels can produce apparently conflicting numbers without either source being wrong.
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How fast the major conventional examples are
AH-64E Apache
Boeing publishes the AH-64E Apache at 150+ knots (279+ km/h) maximum level-flight speed. This is the most directly relevant current manufacturer figure for the question when discussing the E variant. The Army’s 2014 AH-64E Apache Attack Helicopter article gives 164 knots for the E model under its combat-mission category and 145 knots for the AH-64D. Comparing 164 and 150+ as though they were two tests of one identical “top speed” would hide the difference in both source date and definition.
The Apache is an attack helicopter, so speed is only one part of its performance envelope. A mission may prioritize weapons employment, sensor operation, terrain masking, fuel endurance or formation safety. A published maximum is useful for comparing specifications, but it does not tell you how fast an Apache normally approaches a target or flies a patrol.
CH-47F Block II Chinook
Boeing lists the CH-47F Block II at 170 KTAS maximum speed and 157 KTAS cruise speed. In the supplied comparison, that is the highest published maximum among the conventional helicopters with directly comparable figures. The source expresses both numbers as knots true airspeed (KTAS); retain that qualifier when quoting them.
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At 170 KTAS, Boeing gives a metric equivalent of 302 km/h. At the 157-KTAS cruise figure, the equivalent is 291 km/h. The 13-knot difference is meaningful: it shows why a reader should not substitute the maximum for the speed used during a sustained transport sortie. The Chinook’s tandem-rotor layout and heavy-lift mission also mean that payload and environmental conditions can affect the speed available on a particular flight, even though those condition-specific limits are not itemized on the cited page.
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UH-60L/M Black Hawk
The U.S. Army’s FM 3-04 Army Aviation manual, dated April 2020, lists 120–145 knots as cruise airspeed for the UH-60L/M and 156 knots as maximum continuous airspeed. The manual’s range is more useful for planning than a single headline number: a lightly loaded aircraft in favorable conditions may cruise near the upper end, while a heavily loaded aircraft or one operating in demanding conditions may use a lower setting.
Because the Army calls the 156-knot value maximum continuous airspeed, it should not be described simply as “the Black Hawk’s top speed.” The source does not provide a directly comparable maximum-level-flight number in the table cited here. That is why a careful answer gives both the cruise range and the continuous limit rather than forcing one number into every context.
Why the MV-22B Osprey is a separate comparison
The Army reports the MV-22B Osprey at up to 280 knots in its account of an 82nd Airborne Division air assault. That figure is far above the conventional-helicopter examples, but the Osprey is a tiltrotor. It takes off and hovers with its rotors positioned vertically, then rotates the engine-and-rotor assemblies forward for turboprop-style airplane flight.
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Which conventional military helicopter is fastest?
Among the conventional examples in the table, the CH-47F Block II has the highest cited maximum: 170 KTAS. It is therefore reasonable to call it the fastest of these examples on the basis of Boeing’s published figure. It is not safe to claim that this proves the Chinook is the fastest military helicopter in the world. The available figures cover selected variants, use different labels and come from sources published at different times; many military aircraft do not have a complete public specification set.
The Apache comparison illustrates the problem. The Army gives the AH-64E 164 knots for combat mission speed, while Boeing gives 150+ knots for maximum level flight. Those figures cannot be averaged, ordered as a universal ranking or treated as contradictory test results without knowing the exact conditions and definitions behind each one.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to compare a speed claim correctly
- Identify the exact variant. “Apache,” “Chinook” and “Black Hawk” each cover families with different engines, equipment and weight limits. The cited figures are for the AH-64E, CH-47F Block II and UH-60L/M entries, not every model ever built.
- Copy the source label. Keep “maximum level-flight,” “maximum,” “cruise,” “maximum continuous” or “combat mission” next to the number.
- Keep the airspeed reference. The Chinook figures are KTAS. Airspeed is not automatically the same as speed over the ground.
- Check the date and publisher. Boeing’s current pages, the Army’s 2020 manual and the Army’s 2014 Apache article may describe different configurations or editorial conventions.
- Separate aircraft categories. A tiltrotor such as the MV-22B should not be ranked directly against a conventional helicopter without explaining the change in flight mode.
Airspeed is not the same as travel speed over the ground
Published aircraft specifications normally state airspeed. Ground speed changes with wind: a helicopter flying into a headwind covers less distance over the ground in a given time than one flying with the same wind behind it. Altitude, temperature, aircraft weight and configuration also affect the speed available in a real sortie. Consequently, a 157-KTAS cruise specification does not promise a fixed arrival time, and a 150-knot maximum does not mean the aircraft will maintain that number from takeoff to landing.
This distinction is especially important when converting a specification into a travel estimate. Use the source’s airspeed as a performance reference, then account for route, wind, climb, descent, formation procedures, refueling and mission tasks. The published number alone is not a timetable.
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What the numbers mean for missions
Attack and escort
An AH-64E’s speed can shorten repositioning time, but attack missions also require the crew to use sensors, coordinate with other aircraft and manage weapons and fuel. The combat-mission label used by the Army is therefore more informative for an operational comparison than a bare top-speed claim.
Heavy transport
The Chinook’s separate maximum and cruise figures show the trade-off between a brief high-speed capability and a sustainable transport pace. A heavy-lift aircraft may carry troops, vehicles or cargo, so the speed available on a particular sortie depends on the load and conditions even when the brochure number remains unchanged.
Utility transport
The Black Hawk’s 120–145-knot cruise range reflects a broad utility mission set. Search and rescue, air assault, medical evacuation and cargo work can require different speeds and profiles. The 156-knot maximum-continuous value defines a limit in the Army table; it does not replace mission planning.
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For conventional modern military helicopters, a well-supported headline range is about 150–170 knots at the upper end. Boeing’s CH-47F Block II figure of 170 KTAS is the highest maximum in this comparison, the AH-64E Apache is listed at 150+ knots maximum level flight, and the UH-60L/M Black Hawk is listed at 120–145 knots cruise and 156 knots maximum continuous airspeed. The MV-22B’s reported 280 knots belongs in a separate tiltrotor category. Always quote the aircraft variant and the source’s exact performance label before calling one helicopter “fastest.”
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