Beechcraft 76 Duchess vs Piper PA-44-180 Seminole

Head-to-head — specs, at a glance.

Seats
4 · 4
Engine
piston twin · piston twin
Gear
Retract · Retract
Beechcraft 76 DuchessPiper PA-44-180 Seminole
Cruise speedKTAS
158
162
Stall speed (Vs0)lower is betterKIAS
60
55
Rangenm
720
681
Useful loadlbs
1,454
1,394
Full-fuel payloadlbs
854
734
Service ceilingft
19.6k
17.1k
Fuel burnlower is bettergph
22
22
Cruise MPGmpg
8.3
8.5
Typical pricelower is betterUSD
$130k
$175k

Beechcraft 76 Duchess

The Beechcraft Model 76 Duchess is a 4-seat, twin-engine, T-tail, retractable-gear light trainer produced by Beech Aircraft Corporation from 1978 to 1982. Conceived as Beechcraft's answer to the Piper Seminole and Grumman Cougar in the late-1970s flight-school twin trainer market, the Duchess was designed explicitly as a low-cost entry point into multi-engine flying — simple systems, counter-rotating props to eliminate the critical engine, and commonality with the Beechcraft Sundowner/Sierra single-engine line to reduce parts costs.

  • +Purpose-built multi-engine trainer with counter-rotating props (no critical engine)
  • +Simple, conventional systems; excellent A&P support for Lycoming O-360 engines
  • +Significantly lower acquisition cost than comparable Seminole or Cougar
  • !Only 437 built; out of production since 1982 — long lead times for Beech-specific parts
  • !Main landing gear A-frame cracking is recurring and critical inspection item
  • !Bonded aluminum honeycomb wing subject to delamination in humid/coastal exposure
See the full 76 profile →

Piper PA-44-180 Seminole

The Piper PA-44-180 Seminole is the dominant multi-engine flight trainer in American general aviation and arguably the world. Introduced as a 1979 model year following FAA type certification on March 10, 1978 (first flight May 1976), it was conceived as an accessible, affordable twin that flight schools could operate in high-cycle training environments. Piper has sold well over 900 units across three production runs — 1979–1982, 1989–1990, and 1995 to the present — and new examples continue rolling off the Vero Beach line with Garmin G1000 NXi glass panels.

  • +Purpose-built multi-engine trainer with counter-rotating props (no critical engine)
  • +Excellent parts availability and A&P familiarity across flight schools
  • +Honest 162 KTAS cruise performance with straightforward Lycoming IO-360 powerplants
  • !High fuel burn (~22 GPH combined) makes per-hour operating cost steep (~$132/hr)
  • !Training-oriented design limits useful load and cross-country range vs. faster singles
  • !Landing gear system prone to maintenance costs; trunnion inspection/replacement expensive
See the full PA-44 profile →

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