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Cessna 401 / 402

 

cessna402c
CE-402C


On 26 August 1965 Cessna flew the prototype of a aircraft generally similar to the 411 which served for two new aircraft, the Model 401 and Model 402, and when FAA certification of the Model 401 prototype was awarded on 20 September 1966 it covered also the Model 402. These two aircraft represented lower-cost versions of the Model 411, differing primarily by having two 224kW Continental TSIO-520-E flat-six engines and some reduction in basic installed equipment. The Model 401 accommodated a crew of two and four to six passengers, but the Model 402 had a cabin layout which permitted a quick change from nine-seat commuter use to an all-cargo configuration.


Production of the Model 401 was phased out in mid-1972, with development then being concentrated on the Model 402 which, in December 1971, had been named Utiliner.


At the same time a new version of the Model 402 was introduced as the Businessliner. Both versions, powered by 242kW TSIO-520-VB engines, were progressively improved and remained in production for some time, as the 10-seat Utiliner II small convertible passenger/ cargo airliner and the Businessliner II executive transport able to carry 2-6 passengers. The final version was the Businessliner III corporate transport fitted with more sophisticated avionics, including weather radar.


Nearly 500 model 402 were built before the introduction of the improved model 402B. The 402C Utililiner converts from cargo hauler to ten-seat commuter in a matter of minutes, with air conditioning, stereo, refreshment center as options.

 

Cessna-402C
Cessna 402C

 

Major changes were the large cargo doors and the additional square shaped windows.


There are some substantial differences between the B and C. Power per engine is up from 300 to 310 horsepower for normal opera-tion and up to 325 for takeoff and single-engine operation. There's almost five feet more wingspan. The 402C's maximum gross weight is 550 pounds greater than the 402B's, and the empty weights of com-parably equipped airplanes are very close. So almost the whole increase goes to useful load.


Available as Utililiner (for commuter work) or Businessliner (replacing the model 411), sales picked up so that a further 1400 had been built by 1978.


A downturn in sales led to production ceasing in 1986 by which time a total of 1,540 Cessna 402 variants had been built, including 12 delivered to the Royal Malaysian Air Force in 1975.

 

Scenic Air Lines, in 1977, acquired from American Jet Industries engineering and manufacturing rights for turboprop conversions of Cessna Models 402 and 414, now known as Turbo Star 402 and Turbo Star Pressurised 414.

CE-402B
Engine: 2 x TSIO-520-E, 300 hp.
Seats: 10.
Wing loading: 32.2 lb/sq.ft.
Pwr loading: 10.5 lb/hp.
Gross wt: 6300 lb.
Empty wt: 3864 lb.
Equipped useful load: 2066 lb.
Payload max fuel: 848 lb.
Range max fuel 75% pwr: 1132nm/5.3hr.
Range max fuel 55% pwr: 1206nm/7.1hr.
Service ceiling: 26,180 ft.
75% cruise: 210 kt.
55% cruise: 171 kt.
Vmc: 83 kt.
Stall: 73-83 kt.
1.3 Vso: 95 kt.
ROC: 1610 fpm.
SE ROC: 225 fpm @ 103 kt.
SE service ceiling; 11,320 ft.
Min field length: 2220 ft.
Fuel cap: 600/1218 lb.

CE-402C
Engines: Continental TSIO-520-VB, 325 hp each.
TBO: 1600 hrs.
Props: McCauley 3-blade, 76.5-in.
Seats: 6/8.
Length: 36.4 ft.
Height: 11.5 ft.
Wingspan: 44.1 ft.
Wing area: 226 sq.ft.
Wing aspect ratio: 8.7.
Maximum ramp weight: 6885 lbs.
Maximum takeoff weight: 6850 lbs.
Standard empty weight: 4077 lbs.
Maximum useful load: 2805 lbs.
Zero-fuel weight: 6515 lbs.
Maximum landing weight: 6850 lbs.
Wing loading: 30.3 lbs/sq.ft.
Power loading: 11.1 lbs/hp.
Maximum usable fuel: 1236 lbs.
Best rate of climb: 1,450 fpm @ 109 kts.
Climb gradient: 817 ft/nm.
Rate of climb @ 8,000 ft: 1325 fpm.
Service ceiling: 26,900 ft.
Maximum single-engine rate of climb: 301 fpm @ 104 kts.
Single-engine climb gradient: 176 ft/nm.
Single-engine service ceiling: 14,800 ft.
Maximum speed: 231 kts.
Cruise @ 65% pwr @ 8,000ft: 181 kts.
Cruise @ 65% power @ 18,000ft: 196 kts.
Fuel flow @ 65% pwr @ 18,000 ft: 196 pph.
Endurance at 65 % pwr @ 18,000 ft: 6.1 hrs:
Stalling speed clean: 78 kts.
Stalling speed gear/flaps down: 68 kts.
Turbulent-air penetration speed: 147 kts.

1979 402C Utililiner
Engines: 2 x Continental TSIO-520-VB, 325 hp.
Max speed: 231 kts.
Max cruise speed: 213 kts.
Max range: 1,234 nm.
Max usable fuel: 204 USG.
ROC: 1,450 fpm.
ROC SE: 301 fpm.
Service ceiling: 26,900 ft.
Service ceiling SE: 14,800 ft.
Takeoff dist 50 ft obstacle: 2,195 ft.
Landing dist 50 ft obstacle: 2,485 ft.
Max ramp wt: 6885 lbs.
Max zero fuel wt: 6,515 lbs.
Max useful load: 2,808 lbs.
Seats: 8.

1979 402C Businessliner
Engines: 2 x Continental TSIO-520-VB, 325 hp, 242kW.
Max Take-off weight: 3107 kg / 6850 lb
Empty weight: 1845 kg / 4068 lb
Wingspan: 13.45 m / 44 ft 2 in
Length: 11.09 m / 36 ft 5 in
Height: 3.49 m / 11 ft 5 in
Wing area: 20.98 sq.m / 225.83 sq ft
Max speed: 231 kts / 266 mph.
Max cruise speed: 213 kts / 191 mph.
Max range: 1,234 nm.
Max usable fuel: 204 USG.
ROC: 1,450 fpm.
ROC SE: 301 fpm.
Service ceiling: 26,900 ft / 8200 m.
Service ceiling SE: 14,800 ft.
Takeoff dist 50 ft obstacle: 2,195 ft.
Landing dist 50 ft obstacle: 2,485 ft.
Max ramp wt: 6,885 lbs.
Max zero fuel wt: 6515 lb.
Max useful load: 2,780 lbs.
Seats: 10.

CIDC Turbo Star 402 / CE-402
Engines: 2 x Allison 250-B17B, 420 hp.
Seats: 6/10.
Wing loading: 33.5 lb/sq.ft.
Pwr loading: 7.7 lb/hp.
Max TO wt: 6525 lb.
Empty wt: 3414 lb.
Equipped useful load: 2783 lb.
Payload max fuel: 1043 lb.
Range max fuel/cruise: 1050 nm/4.6 hr.
Range max fuel /range: 1459 nm/ 7 hr.
Service ceiling: 25,000 ft.
Max  cruise: 228 kt.
Max range cruise: 210 kt.
Vmc: 81 kt.
Stall: 70-84 kt.
1.3 Vso: 91 kt.
ROC: 2180 fpm.
SE ROC: 510 fpm @ 86 kt.
SE ceiling: 13,800 ft.
Min field length: 1290 ft.
Fuel cap: 1344/1740 lb.

 


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