Manual flight computer
CIRCULAR SLIDE RULE
Digital flight computer
DIGITAL FLIGHT COMPUTER
N2134Y · 1963 CESSNA 172D
Weight & Balance

Load Configuration

Front left seat · Station 36.0" (POH)
Front right seat · Station 36.0" · Leave 0 if solo
Rear seats combined · Station 70.0" · Leave 0 if empty
Baggage shelf · Station 95.0" · Max 120 lbs
42 gal total · 38 gal usable · 4 unusable · 6 lb/gal · Station 48.0" · = 228.0 lbs  ⚠ verify vs POH

W&B Results

Item Weight (lbs) Arm (in) Mom/1000
Licensed Empty Wt (ACE WO-1725 · incl. oil)
Pilot 170 36.0 6.12
Co-Pilot / Pax 0 36.0 0.00
Rear Passengers 0 70.0 0.00
Baggage 0 95.0 0.00
Fuel 216.0 48.0 10.37
GROSS WEIGHT
WITHIN LIMITS
Useful load used: Remaining: Total: 797.1 lbs

CG Envelope Position

33.6"
32.20" 34.10" 36.00"

CG Within Limits

Normal flight characteristics. Predictable handling.

Maneuvering Speed (Va)

122 MPH

Va = 122 × √(Gross Wt ÷ 2300) · Reduces with lighter loads

V-Speeds · N2134Y — All speeds at 2,300 lbs gross

Va at current wt:
Vr — Rotation 60 MPH
Vx — Best Angle 65 MPH
Vy — Best Rate 80 MPH
Va — Maneuvering 122 MPH (2300 lbs)
Vfe — Max Flaps 100 MPH
Vno — Max Structural 140 MPH
Vne — Never Exceed 174 MPH
VGlide — Best Glide 80 MPH
Vs1 — Stall Clean 57 MPH
Vso — Stall Dirty 49 MPH
Fuel — Usable 38 gal · 228 lbs
Fuel — Total Cap. 42 gal · 252 lbs

⛽ Fuel Endurance & Range

Usable: 38 gal max · Synced with W&B above
N2134Y · C172D / O-300-D · Standard atmosphere · Verify against POH
True degrees
0 = no wind

Performance Readout — 75% Power

Safe Endurance
Safe Range
Raw Endurance
Raw Range
VFR Reserve
Cruise TAS
Amber = safe range (30-min VFR reserve per FAR 91.151) Green dashed = absolute max (tanks dry) Distances in nautical miles · Wind-corrected teardrop when wind > 0 ⚠ Planning tool only · PIC responsible for fuel reserves

⚠ Important Disclaimer

Designed for N2134Y — 1963 Cessna 172D. Empty weight and CG must be entered from N2134Y's actual weight & balance record. Verify all values against the aircraft POH before flight.

The pilot in command is solely responsible for ensuring the aircraft is loaded within approved limits before every flight.