Piper Cherokee PA-28-161 Weight and Balance Calculator

Piper Cherokee PA-28-161 historical N3044N historical example: empty weight 1464.69 lb at 85.95 in. Fuel arm 95 in; front 80.5, rear 118.1, baggage 142.8 in. Forward CG interpolates from 83 to 87 inches above 1950 lb; maximum 2325 lb. These records must not replace your aircraft's approved POH.

Piper Cherokee PA-28-161 Weight and Balance Calculator reference last updated · reference source

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Dated static reference; no live data is fetched. Verify current source values and assumptions before relying on results.

What this tool does

Piper Cherokee PA-28-161 historical N3044N historical example: empty weight 1464.69 lb at 85.95 in. Fuel arm 95 in; front 80.5, rear 118.1, baggage 142.8 in. Forward CG interpolates from 83 to 87 inches above 1950 lb; maximum 2325 lb. These records must not replace your aircraft's approved POH.

How to use the Piper Cherokee PA-28-161 Weight and Balance Calculator

  1. Check Stations: name, weight lb, moment arm inches (one per line): Empty aircraft (N3044N historical example),1464.69,85.95 Front occupants,340,80.5 Rear occupants,0,118.1 Baggage,20,142.8.
  2. Check Fuel onboard (US gallons): 30.
  3. Check Fuel density (lb/US gallon): 6.
  4. Check Fuel moment arm (inches): 95.
  5. Check Entered minimum CG (inches): 83.
  6. Check Entered maximum CG (inches): 93.
  7. Check Entered maximum weight (lb): 2325.
  8. Review the Piper Cherokee PA-28-161 Weight and Balance Calculator result and its exact-value comparison table.
  9. Verify assumptions before applying the result.

Formula

weight=sum station weights+fuel gallons×density; moment=sum(weight×arm); CG=total moment/total weight
stations
Stations: name, weight lb, moment arm inches (one per line)
fuel
Fuel onboard (US gallons)
density
Fuel density (lb/US gallon)
arm
Fuel moment arm (inches)
minCg
Entered minimum CG (inches)
maxCg
Entered maximum CG (inches)
maxWeight
Entered maximum weight (lb)

Generic editable example, NOT aircraft-certified data. Real CG envelopes often vary with weight; entered rectangular limits do not model a full envelope.

Worked example

Piper Cherokee PA-28-161 Weight and Balance Calculator: Stations: name, weight lb, moment arm inches (one per line) = Empty aircraft (N3044N historical example),1464.69,85.95 Front occupants,340,80.5 Rear occupants,0,118.1 Baggage,20,142.8; Fuel onboard (US gallons) = 30; Fuel density (lb/US gallon) = 6; Fuel moment arm (inches) = 95; Entered minimum CG (inches) = 83; Entered maximum CG (inches) = 93; Entered maximum weight (lb) = 2325. Piper Cherokee PA-28-161 historical N3044N historical example: empty weight 1464.69 lb at 85.95 in. Fuel arm 95 in; front 80.5, rear 118.1, baggage 142.8 in. Forward CG interpolates from 83 to 87 inches above 1950 lb; maximum 2325 lb. These records must not replace your aircraft's approved POH.

Inputs

  • Stations: name, weight lb, moment arm inches (one per line)Empty aircraft (N3044N historical example),1464.69,85.95 Front occupants,340,80.5 Rear occupants,0,118.1 Baggage,20,142.8
  • Fuel onboard (US gallons)30
  • Fuel density (lb/US gallon)6
  • Fuel moment arm (inches)95
  • Entered minimum CG (inches)83
  • Entered maximum CG (inches)93
  • Entered maximum weight (lb)2325

Result

  • Within reference envelope?Within reference limits — verify current aircraft POH
  • Total weight (lb)2,004.69
  • Total moment (lb-in)173,216.11
  • Center of gravity (inches)86.41
  • Weight-dependent forward CG limit (inches)83.58

Piper Cherokee PA-28-161 reference stations and envelope

ReferenceValue
RecordN3044N historical example
Empty weight lb1464.69
Empty arm in85.95
Front seats arm in80.5
Rear seats arm in118.1
Fuel arm in95
Baggage arm in142.8
Maximum weight lb2325
Aft CG in93

Results explained

Within entered rectangular limits?
Within entered rectangular limits? from the formula above. Generic editable example, NOT aircraft-certified data. Real CG envelopes often vary with weight; entered rectangular limits do not model a full envelope.
Total weight (lb)
Total weight (lb) from the formula above. Generic editable example, NOT aircraft-certified data. Real CG envelopes often vary with weight; entered rectangular limits do not model a full envelope.
Total moment (lb-in)
Total moment (lb-in) from the formula above. Generic editable example, NOT aircraft-certified data. Real CG envelopes often vary with weight; entered rectangular limits do not model a full envelope.
Center of gravity (inches)
Center of gravity (inches) from the formula above. Generic editable example, NOT aircraft-certified data. Real CG envelopes often vary with weight; entered rectangular limits do not model a full envelope.

Frequently asked questions

Historical N3044N historical example: 1464.69 lb, CG 85.95 inches; replace with current aircraft records.

At arm 95 inches; 30 US gallons at entered 6 lb/gal adds 180 lb and 17100 lb-in.

2325 lb normal-category takeoff reference; verify the actual model and serial number.

Yes. 83 inches up to 1950 lb, linearly to 87 inches at 2325 lb. Aft limit 93 inches.

No. This historical training reference is not flight authorization. Use current approved loading records, full POH limitations, seat positions, fuel and performance checks before flight.