The Beechcraft 35 Bonanza is a four-to-six seat, single-engined aircraft that has been in continuous production longer than any other aircraft in history. More than 18,000 Bonanzas of all variants have been built. Designed by a team led by Ralph Harmon, the model 35 Bonanza was a relatively fast, low-wing, all-aluminum design. The Model 35 featured retractable landing gear, and its signature V-tail with ruddervators. The prototype made its first flight on December 22, 1945, and production began in 1947.
The V-tail design gained a reputation as the "forked-tail doctor killer", due to crashes, fatal accidents, and in-flight breakups. However, an analysis by the Aircraft Owners and Pilots Association found the Bonanza had a slightly lower accident rate than other types. Pilot error was cited in 73% of V-tail crashes and 83% of conventional-tail crashes. In 1982, production of the V-tail Model 35 ended.
The Bonanza 35 has a relatively narrow center of gravity envelope, and the tail design is intolerant of imbalances caused by damage, improper maintenance, or repainting. Such imbalances may induce dangerous aeroelastic flutters. Due to the anodic properties of the magnesium used for the V-tail ruddervator skins, they tend to corrode, often resulting in permanent grounding. Despite these issues, many Bonanza 35 owners insist that the aircraft is reasonably safe, and its reputation has resulted in reduced purchase costs for budget-conscious buyers.
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Jim Goodrich
Jim Goodrich is a pilot, aviation expert and founder of Tsunami Air.
What is the Beechcraft Model 35 Bonanza?
The Beechcraft Model 35 Bonanza is an American general aviation aircraft introduced in 1947 by Beech Aircraft Corporation of Wichita, Kansas. It is a four-to-six seat, single-engined, all-aluminum, low-wing design with retractable landing gear and a signature V-tail. The prototype first flew on December 22, 1945, and received an airworthiness certificate on March 25, 1947. Production of the V-tail Model 35 lasted from 1947 to 1982, and more than 6,000 were built. The initial cost was $7,975 in 1947. The V-tail uses linkage and a mixer in the back part of the plane. The mixer goes up and down on command and a left-right steering signal. A pitch up command moves both ruddervators up and a nose down order moves both down. Yaw right moves the right wing up, and yaw left moves the right ruddervator down. If the pilot commands pitch up and yaw right, starboard moves more and the opposite moves less. The mixer amount blocks exceeding edge stops. However, the V-tail Model 35 had a few crashes because Beechcraft did not account for twisting force. Beechcraft made a longer front of the stabilizer, and that extension put intense pressure and fatigue on the tail, which led to crashes. Repeated breakdowns caused an investigation by the U.S. government's transportation office. That is why the Bonanza 35 had restricted weight balance limits.
The K35 is a variant of the Model 35 Bonanza. On the K35, standard fuel capacity was boosted from 40 gallons (151.4 liters) to 50 gallons (189.3 liters), and due to 20-gallon (75.7 liters) aux tanks, it had 70 gallons (265.0 liters). This moved the airplane up into a serious cross-country machine. The 1959 Beechcraft Bonanza K35 combines the timeless ramp presence of the V-tail with capability. V-tail Model 35’s production stopped in 1982, but the Bonanza line continues. The Bonanza G36 is a later model. No Bonanzas were delivered in 2021, but on April 10, 2022, production of the Bonanza G36 restarted. The Beechcraft Bonanza is still built today by Textron Aviation. The Model 35 does not have a factory jet engine change or a certificate for a turbine engine swap, unlike the Model 58 or Model 33 Bonanza which have jet engine swaps.
What are the specifications of the Beechcraft Model 35 Bonanza?
The specifications of the Beechcraft Model 35 Bonanza are given in the table below.
| Specification | Value |
|---|---|
| Engine | Continental E165 |
| Horsepower | 165 hp |
| Cruise speed | 175 mph |
| Range | 750 miles |
| Height | 7 ft |
| Wing span | 32 ft |
| Length | 25 ft |
| Passengers | 4 |
| Max weight | 3,400 lb |
| Empty weight | 2,106 lb |
| Fuel capacity | 74 gal |
| Max range | 444 nm |
| Ceiling | 17,850 ft |
| Max speed | 181 kts |
| Normal cruise | 171 kts |
| Top speed | 184 mph |
| Climb rate | 1,230 fpm |
| Takeoff run | 915 ft |
| Stall speed | VS0 |
| Propeller | 2 blades |
| baggage limit | 46 lb |
The Beechcraft Model 35 Bonanza has a low-wing, tricycle gear design. The first so-called straight 35 model Bonanza had a 165-HP Continental engine. Powered by a 123 kW (165 hp) Continental E-165 engine, the first Bonanzas could cruise at 282 km/h (175 mph) and had a range of 1,207 km (750 miles). Later, the Bonanza 35 used a Continental E-185-1 engine, and 185 horsepower is available for takeoff.
The Bonanza 35 has an exterior height of 7 ft 1 in (2.16 m), a wing span of 32 ft 10 in (10.01 m), and a length of 25 ft 1 in (7.65 m). The empty weight is 2,106 lb (955 kg), and the max T/O weight is 3,400 lb (1,542 kg). Depending on the variant, the specifications vary slightly. The aircraft seats 4 passengers.
Performance includes a max speed of 181 kts and a normal cruise of 171 kts. The service ceiling is 17,850 ft (5,441 m). The Model 35 Bonanza has a rate of climb of 1,230 feet per minute (374.9 meters per minute), which is about 20 feet per second (6.1 meters per second). The takeoff run on land is about 360 meters (1,181 feet), and the distance to clear a 50-foot (15-meter) obstacle is about 550 meters (1,804 feet). The fuel capacity is 74 gal (280.12 L). The amount of oil for the engine is 4 to 6 quarts, and the minimum is 4 liquid quarts.
What is the performance of the Beechcraft Model 35 Bonanza?
The performance of the Beechcraft Model 35 Bonanza is given in the table below.
| Aspect | Specification |
|---|---|
| Max speed | 181 kts |
| Cruise speed | 171 kts |
| Best speed | 148 KIAS |
| Maneuver speed | 115 kts |
| Climb rate | 0.2 mile/min (0.322 km/min) |
| Takeoff | 1300 ft (396.24 m) |
| Landing | 950 ft (289.56 m) |
The first straight 35 model Bonanza had a 165-HP (123-kW) Continental engine that produced 175 MPH (282 km/h) at cruise speed. With a cruise speed around 175 knots (201 mph) and a fuel burn of about 15 gallons per hour (56.8 liters per hour) with 80-gallon tanks (303 liters), it provides a balance of speed and endurance.
Slowest flying speed is 48 nautical miles per hour. Beechcraft Model 35 Bonanza’s time to become airborne over a 50-foot (15.24 meter) obstacle is about a quarter mile (0.4 kilometer). The newer model takeoff length over a 50-foot (15.24 meter) obstacle is 1,300 feet (396.24 meters). The aircraft climbs about one-fifth of a mile per minute. Bonanza’s Vne is about 175 knots.
What is the cost of a Beechcraft Model 35 Bonanza?
The cost of a Beechcraft Model 35 Bonanza ranges widely depending on the variant and condition. The price range is $40,000-$400,000. Early models (1947-1965) cost $40,000-$150,000, often with basic avionics. V35 models (1966-1975) range $120,000-$280,000, with more robust engines and better avionics options. V35B models (1975-1983) cost $200,000-$400,000+, top-of-the-line with most robust engines and refined systems. List prices range from $27,000 for a 1952 with ADS-B to $199,000 for a 1967 with a modern panel.
Operating costs are $100-$180 per hour, or $140-$170/hour all-in including depreciation. Annual fixed ownership costs for a used Beechcraft 35 average $4,500-$7,500 and include hangar storage ($800-$1,200/year), annual inspection ($1,200-$1,800), insurance ($1,500-$3,500/year depending on hull value), miscellaneous maintenance ($500-$1,000, and engine monitoring ($200-$400)). A typical 100-hour owner flying a $200,000 Beechcraft V35 Bonanza has a total annual cost of $16,500. Total cost of ownership is $30,811.16.
