Data Sheet · Rev A
TECHNICALSPECIFICATIONS
PLR-19 EXPRESS · POLAR AIRCRAFT DESIGN GROUP · 2025/2026
Max Range1,330 NMDesign mission radius
Payload5,000 LBS19 passengers max
Cruise Speed190 KTASAt cruise altitude
Cruise Altitude10,000 FTStandard atmosphere
Flight Envelope
PERFORMANCE
Max Range
1,330 NM
Cruise Speed
190 KTAS
Cruise Altitude
10,000 ft
Stall Speed (clean)
84 KIAS
Stall Speed (landing config)
67 KIAS
Rate of Climb (SL)
2400 ft/min
Takeoff Distance (SL, ISA)
1650 ft
Landing Distance
1850 ft
Endurance
7 hrs
At cruise, max fuel
Mass Properties
WEIGHTS
Max Takeoff Weight (MTOW)
16384 lbs
Operating Empty Weight (OEW)
9365 lbs
Passenger Configuration
Operating Empty Weight (OEW)
8795 lbs
Cargo Configuration
Max Payload
5,000 lbs
Max Passengers
19 PAX
Max Fuel Weight
4600 lbs
Payload Fraction
57 %
Geometry
DIMENSIONS
Overall Length
50 ft 9 in
Wingspan
64 ft 3 in
Wing Area
428 ft²
Aspect Ratio
10
Overall Height
19 ft 1 in
Cabin Length
20 ft 9 in
Cabin Width (interior)
5 ft 10 in
Cabin Height (interior)
5 ft 8 in
Cargo Door (W × H)
85 in × 68 in
Emergency Exits (W x H)
24 in x 32 in
2 exits
Powerplant
PROPULSION
Engine Model
PT6A-60A
Number of Engines
2
Takeoff Power (per engine)
1050 SHP
Max Power
1050 SHP
Specific Fuel Consumption
0.537 lb/hr/SHP
Fuel Type
Jet-A
Fuel Capacity (total)
660 USG
Propeller Diameter
110 in
Aero Analysis
AERODYNAMICS
Wing Loading (MTOW)
40 lbs/ft²
Power Loading (MTOW)
0.128 SHP/lbs
Max Lift-to-Drag Ratio (L/D)
11.27
Cruise L/D
9.2
CLmax (clean)
1.6
CLmax (landing)
2.5
Zero-Lift Drag Coefficient (CD0)
0.0370
Oswald Efficiency Factor (e)
0.60
Wing Taper Ratio
0.7
NACA 24012
Onboard Systems
SYSTEMS
Avionics Suite
G1000 NXi
Hydraulic System
TBD psi
Electrical System
TBD V / TBD A
De-icing / Anti-icing
Pneumatic Boots
Landing Gear Type
Fixed Tricycle
Operations
NAVIGATION & OPS
Certification Basis
14 CFR Part 23
Crew
1 or 2
Design Mission
Cargo + Passenger
Required Runway Environment
Prepared or Unprepared
RVSM Capable
Yes
Structural Limits
LOAD & ENVIRONMENT
Design Load Factor (n+)
+3 g
Design Load Factor (n−)
-1.2 g
Max Operating Speed (VMO)
250 KIAS
Never-Exceed Speed (VNE)
225 KIAS
Maneuvering Speed (VA)
141 KIAS
Max Flap Extension Speed (VFE)
TBD KIAS
Primary Structure Material
TBD
Aluminum / composite TBD
Design Life
TBD hrs / cycles
NOTE: Values marked "TBD" will be populated as the design matures through preliminary and detailed design phases. All data is preliminary and subject to revision. This document represents conceptual-level estimates only. PLR-19 Express is a student conceptual design project — not a certified aircraft.