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Up to four models side by side. Everything here is true of every aircraft of the type, not of any one aircraft.
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- Cessna M337B
- Grumman G-44A
- Piper PA-34
- Piper PA-23-160
Comparison
4 models side by side: scroll sideways to see them all. The attribute names stay on the left.
| Cessna M337B | Grumman G-44A | Piper PA-34 | Piper PA-23-160 | |
|---|---|---|---|---|
| What it is | ||||
| Seats | 6 | 6 | 6 | 5 |
| Landing gear | tricycle | tricycle | tricycle | tricycle |
| Engines | 2 | 2 | 2 | 2 |
| Engine | Continental IO-360-C/D | Ranger L-440C-5 (inline) | Lycoming IO-360-A1A / LIO-360-A1A (counter-rotating) | Lycoming O-320-B |
| Horsepower | 210 hp | 200 hp | 200 hp | 160 hp |
| Fuel | 100LL | 100LL | 100LL | 100LL |
| Certification basis | military-surplus | CAR3 | FAR23 | CAR3 |
| Production start | 1967 | 1945 | 1972 | 1958 |
| Production end | 1970 | 1949 | 1974 | 1962 |
| Endorsements required | complex;high-performance;multi-engine | complex;multi-engine | complex;multi-engine | complex;multi-engine |
| Performance | ||||
| Cruise (75 % power) | 125 KTAS | 120 KTAS | 162 KTAS | 149 KTAS |
| Range (75 %, standard fuel, 30-min reserve) | 920 nm | 700 nm | 685 nm | — |
| Service ceiling | 19,800 ft | 14,600 ft | 20,000 ft | 18,000 ft |
| Climb rate | 1,180 ft/min | 1,000 ft/min | 1,460 ft/min | 1,350 ft/min |
| Stall speed (Vso) | — | 58 KCAS | 58 KCAS | 58 KCAS |
| Takeoff over 50 ft | — | — | 1,140 ft | 1,600 ft |
| Landing over 50 ft | — | — | 1,335 ft | 1,600 ft |
| Load and fuel | ||||
| Seats | 6 | 6 | 6 | 5 |
| Useful load | — | 1,225 lb | 1,414 lb | 1,480 lb |
| Full-fuel payload | — | 577 lb | 814 lb | 1,048 lb |
| Max takeoff weight | — | 4,525 lb | 4,000 lb | 3,800 lb |
| Empty weight | 2,848 lb | 3,300 lb | 2,586 lb | 2,320 lb |
| Usable fuel | — | 108 gal | 100 gal | 72 gal |
| Fuel burn at cruise | — | 22.4 gal/h | 22.4 gal/h | 18.8 gal/h |
| Cost of ownership | ||||
| Price, low | — | $300,000 | $85,000 | $45,000 |
| Price, high | — | $785,000 | $160,000 | $110,000 |
| Prices as of | — | 2026 | 2026 | 2026 |
| Engine TBO | — | 1,000 h | 2,000 h | 2,000 h |
| Overhaul cost, low | — | $40,000 | $34,000 | $28,000 |
| Overhaul cost, high | — | $72,000 | $48,000 | $40,000 |
| The fleet and its record | ||||
| Registered, all time | 65 | 77 | 19 | 747 |
| Active fleet | 34 | 29 | 5 | 188 |
| Median year built | 1967 | 1946 | 1987 | 1959 |
| NTSB events, last 10 years | 1 | 2 | 0 | 4 |
| Fatal events, last 10 years | 0 | 0 | 0 | 0 |
| Events per 1,000 active, last 10 years1 | 29.41 · thin base (low) | 68.97 · thin base (low) | — | 21.28 |
| Personal-flying events per 1,000 active2 | 29.41 · thin base (low) | 34.48 · thin base (low) | — | 15.96 |
| Ownership transfers, last 24 months | 10 | 9 | 2 | 33 |
| Transfers per 100 active3 | 29.41 · thin base (low) | 31.03 · thin base (low) | — | 17.55 |
| Airworthiness directives | 6 | 4 | 2 | 6 |
| Directives, last 5 years | 0 | 0 | 0 | 0 |
| Rate confidence | low | low | none | ok |
| Peer scores | ||||
| Peer class | Fixed wing multi-engine, piston, 2 engines, 5-6 seats | Fixed wing multi-engine, piston, 2 engines, 5-6 seats | Fixed wing multi-engine, piston, 2 engines, 5-6 seats | Fixed wing multi-engine, piston, 2 engines, 5-6 seats |
| Accident record4 | — | — | — | 6.6 of 10 · scored on 21 years of events (fewer than 10 in the last 10) |
| Severity5 | — | — | — | 7.9 of 10 · scored on 21 years of events (fewer than 10 in the last 10) |
| Access6 | 6.7 of 10 | 1.7 of 10 | — | 1.5 of 10 |
| Support7 | 2.8 of 10 | 2.1 of 10 | 1 of 10 | 8.5 of 10 |
| Liquidity8 | 8 of 10 | 8.8 of 10 | — | 3 of 10 |
| Overall (sum of the categories shown)9 | Partial: 17.5 out of 30 (safety not scored, too few records)not comparable: partial score | Partial: 12.6 out of 30 (safety not scored, too few records)not comparable: partial score | — | 27.5 out of 50not comparable: partial score |
- Events per 1,000 active, last 10 years: Cessna M337B, per 1,000 active aircraft · base 34 active; Grumman G-44A, per 1,000 active aircraft · base 29 active; Piper PA-23-160, per 1,000 active aircraft · base 188 active.
- Personal-flying events per 1,000 active: Cessna M337B, per 1,000 active aircraft · base 34 active; Grumman G-44A, per 1,000 active aircraft · base 29 active; Piper PA-23-160, per 1,000 active aircraft · base 188 active.
- Transfers per 100 active: Cessna M337B, per 100 active aircraft · base 34 active; Grumman G-44A, per 100 active aircraft · base 29 active; Piper PA-23-160, per 100 active aircraft · base 188 active.
- Accident record: Cessna M337B, class median 29.1 · 57 models in class; Grumman G-44A, class median 29.1 · 57 models in class; Piper PA-34, class median 29.1 · 57 models in class; Piper PA-23-160, class median 29.1 · 57 models in class.
- Severity: Cessna M337B, class median 33.33; Grumman G-44A, class median 33.33; Piper PA-34, class median 33.33; Piper PA-23-160, class median 33.33.
- Access: Cessna M337B, class median 2,924.5; Grumman G-44A, class median 2,924.5; Piper PA-34, class median 2,924.5; Piper PA-23-160, class median 2,924.5.
- Support: Cessna M337B, class median 55; Grumman G-44A, class median 55; Piper PA-34, class median 55; Piper PA-23-160, class median 55.
- Liquidity: Cessna M337B, class median 21.95; Grumman G-44A, class median 21.95; Piper PA-34, class median 21.95; Piper PA-23-160, class median 21.95.
- Each of the five categories places the model within its peer class, from 0 (the worst of the class) to 10 (the best): a position among comparable models, not a grade. The overall score is the sum of the categories shown that are scored, out of 10 for each (50 when all five are); it is given only when at least 4 of the five are scored, and it can be set against another model's only when both are in the same peer class and scored on the same categories. When accident record and severity cannot be scored because the model has too few records, the other three give a partial score out of 30, labelled as such; it is never set against a full score.