One of the ultralight industry’s longest enduring designs is the Hawk. First offered in 1982, the Hawk flies today – 15 years later! – in essentially the same form. A few years ago the Arrow name was added to a refined version (becoming the Hawk Arrow) but the basics didn’t change. The original became the Hawk Classic. So, why are we reporting on it? Two reasons quickly spring to mind. First, the plane deserves it. This is an excellent little bird that has delivered a lot of aerial fun to virtually a generation of pilots. However, new pilots enter the community between articles and these aviators need to know this design still works well today like it did way back in the early ’80s when ultralights were new on the aviation scene. Secondly, this isn’t the same Hawk. Oh, it still looks much the same. Such a statement is hardly fair, though, to the many refinements that showed up on the plane I flew for this report.
Dope and Fabric Hawk Arrow
Seating | Single seat |
Empty weight | 345 pounds |
Gross weight | 650 pounds |
Wingspan | 28 feet 10 inches |
Wing area | 135 square feet |
Wing loading | 4.8 pounds/square feet |
Length | 21 feet 3 inches |
Height | 4 feet 8 inches |
Fuel Capacity | 5 gallons |
Kit type | Assembly |
Build time | 120-215 hours |
Set-up time | 20 minutes w/folding wing |
Standard engine | Hirth 2704 |
Power | 50 horsepower |
Power loading | 13.0 pounds/hp |
Cruise speed | 55-80 mph |
Stall Speed | 32 mph |
Never exceed speed | 120 mph |
Rate of climb at gross | 800 mph |
Takeoff distance at gross | 150 feet |
Landing distance at gross | 150 feet |
Standard Features | Flaps, removable wings, tri-gear (steerable nosewheel) or taildragger (steerable tailwheel), curved Lexan® windshield, full enclosure with zippered doors, large cockpit, lower surface rib battens, removable side windows, shoulder harness, fiberglass landing gear legs w/Stream-Line| fairings, extruded aluminum streamlined wing struts, 16-inch wheels, 2-blade wood prop. |
Options | Dope and fabric wing covering, folding wings, folding tail, 55-hp Hirth 2703, 65-hp Hirth 2706, 46-hp Rotax 503 single carb, 52-hp Rotax 503 dual carb or 66-hp Rotax 582 engine, C type gearbox, electric start, mechanical or hydraulic brakes, wheel pants, cockpit-adjustable trim tabs, 10-gallon fuel tank or wing tanks, composite prop, ballistic chute, instruments, amphibious or standard floats, hard doors, map case in doors, nose window, Mylar| sailcloth, tinted Lexan, fast-build kit (50-75 hours), ready-to-fly option, financing available. |
Construction | Anodized aluminum tubing airframe, aluminum tube reinforced tail boom, aluminum gussets, aluminum roll cage cockpit, all aircraft hardware, 3.8-ounce Dacron sailcloth covered (optional: dope and fabric covering); prebuilt wings, control surfaces and subassemblies; no welding required. |
Design
Cosmetic appearance, structural integrity, achievement of design goals, effectiveness of aerodynamics, ergonomics.
Pros - Virtually unchanged for 15 years, the Hawk is still one of the better choices among all ultralights. Does everything quite well and is applicable for both beginners and veterans. Many satisfied customers. Test aircraft with doped skin will last for many years. Good experience with a fleet in the field (good safety record). Owner Chuck Slusarczyk is one of the most enjoyable characters in ultralight aviation.
Cons - Some folks may want an aircraft that is a more recent design (though this older design lacks for nothing). Test plane was a single-seater; 2-seater available, but only in tandem configuration (no side-by-side seating). All-aluminum structure carries somewhat more build time compared to welded steel fuselages.
Systems
Subsystems available to pilot such as: Flaps; Fuel sources; Electric start; In-air restart; Brakes; Engine controls; Navigations; Radio; (items covered may be optional).
Pros - Hawks are often built simply, as was the test plane. Nondifferential brakes installed; operated by lever on joystick. Pull starter can be operated by a strong-armed pilot while seated (though electric starting was appreciated). Flaps are standard, work very well, and are easily operated and position identified. A zippered panel offers some engine area access. Instrument panel can accommodate more instruments and radio.
Cons - Brakes did not aid with steering. Flaps caused the nose to raise, a somewhat unorthodox response. No trim installed (though hardly needed if one pilot operates aircraft). In-cabin pull starter will require some muscle. Refueling may cause some fumes inside cabin.
Cockpit/Cabin
Instrumentation; Ergonomics of controls; Creature comforts; (items covered may be optional).
Pros - Huge, spacious cabin feels quite deluxe compared to many fully enclosed ultralights. Entry is simple; bottom first (lowering nosewheel), then swing legs in. Seat cushion and back quite comfortable. Reach to controls exceptionally good. Cockpit will shield pilot from colder weather. Some area available for cargo if tie-down straps added and if weight and balance verified.
Cons - Sits on tail when unoccupied; frowned upon by some potential buyers. Zippered doors seem too basic for those used to general aviation aircraft (though they can be folded inward a bit to allow ventilation). No quick seat adjustment.
Ground Handling
Taxi visibility; Steering; Turn radius; Shock absorption; Stance/Stability; Braking.
Pros - Excellent taxi visibility, even to sides as you sit at leading edge of wing. Fairly high gear position assures good clearance on rougher fields. Steering was quite responsive, pivoting with ease. Wide stance offers good stability. Good gear absorption.
Cons - Though steering responsive, turn radius was not particularly tight and without differential braking, planning was required on a crowded ramp. Nosewheel clunks and squeaks during turf-field taxiing.
Takeoff/Landing
Qualities; Efficiency; Ease; Comparative values.
Pros - Arguably one of the best two or three aircraft I've ever flown for the critical takeoff and landing phase. If you have trouble with these operations in a Hawk, go back and get more instruction! Excellent approach to landing visibility. Approach recommended at 50 mph, which seems to have a liberal "fudge factor." Very little precision demanded to achieve smooth touchdowns. Reasonably good energy retention in ground effect (aiding touchdown). Flaps were very helpful on approach. Good controls for crosswind operations.
Cons - Flaps moved nose unconventionally, raising nose on deployment. My landings without flaps were firmer, suggesting you should use them on all landings. No other negatives.
Control
Quality and quantity for: Coordination; Authority; Pressures; Response; and Coupling.
Pros - Wonderful overall control feel and response; not too light or quick, yet you get what you expect easily and quickly. All bank angles tried felt comfortable and effective. Clear and unchallenged control authority in all maneuvers attempted. Harmony also felt quite superior. Pitch response shouldn't surprise any pilot regardless of experience level
Cons - Roll rate is hardly fast and feels insufficient for aerobatic work (manufacturer does not encourage this type of flying). Adverse yaw was quite significant; coordinated control usage recommended at all times. Hard to find any other gripes.
Performance
Climb; Glide; Sink; Cruise/stall/max speeds; Endurance; Range; Maneuverability.
Pros - Wow! One of the smoothest engines I've ever experienced in any ultralight aircraft - Hirth powerplant simply deserves a look because of this reason alone. Hawk flew efficiently, holding altitude even at power settings down into the low 4,000s. Performed very well in low-and-slow flying which I consider to be the ultralight realm. Literature speed figures proved honest by actual experience.
Cons - Not the speediest ultralight if that is your desire. Climb and sink rates seemed only average, not thrilling. While well-rounded, performance doesn't stand out in any category.
Stability
Stall recovery and characteristics; Dampening; Spiral stability; Adverse yaw qualities.
Pros - Very mild stalls in all regimes attempted, even when aggravated. No spiral instability noted during any maneuver attempted. Spins each direction practically flew their way out (done even though no parachute; personally a very strong statement of my confidence).
Cons - Adverse yaw demands coordinated use of controls (though this is not a strong criticism). Unable to check thrust line response due to a creeping throttle and lack of trim. Same comment for longitudinal stability check.
Overall
Addresses the questions: "Will a buyer get what he/she expects to buy, and did the designer/builder achieve the chosen goal?"
Pros - An excellent choice for a true recreational aircraft. Dope and fabric covering will ensure longer useful life (for wing/tail coverings at least), and is recognized by many aviators as a more "proper" covering. Priced with engine/prop to ease consideration. Company owner is one of the more delightful folks in ultralight aviation. As single-place ultralights go, this is one of my top recommendations.
Cons - Build time is considerably higher than with slip-on Dacron wing covers (though payoff in longevity may be more than adequate reward). Design has changed little over the years, reducing its appeal to those who like to buy the "latest and greatest." New pricing moves the Hawk line out of the "bargain" category (although they do offer an "Econo Hawk" version where the builder does more of the work for a lower price).