Aircraft Operating Cost and Performance Guide

Grumman G73 Mallard

Free Sample Multi Piston
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  • Summary
  • Cost
  • Performance
  • Weight/Payload
  • Range
  • Interior
  • Exterior
  • Equipment
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Summary

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Grumman G73 Mallard
Range:
635 nm
Speed:
187 kts
Passengers:
10 people

Cost

Estimated Purchase Price:
$1,000,000
Annual Cost:
$427,884
Variable Cost:
$1,038/hr
Fixed Cost:
$150,792

Specifications

Max Payload:
3,400 lb
Engines:
Pratt & Whitney P&W S3H1 Radial 2
Total Cabin Volume:
Avionics:
Wingspan:
66.67 ft
APU:

Production Information

Production:
1946 - 1951
IFR Certified:
Yes
Produced / In Service:
Regulatory Certification:
Serial Numbers:
Certification Basis:
Meets Stage 3 Noise Levels:
Yes

Assumption

ANNUAL UTILIZATION (DISTANCE):
45,000 nm
FUEL PRICE (JET A):
$237
ANNUAL UTILIZATION (HOURS):
267 hrs
LABOR COST:
$87/hr
AVERAGE SPEED (STANDARD TRIP):
168 kts
AVERAGE LENGTH (STANDARD TRIP):
200 nm

Understand how these values are calculated in Report Methodology & Glossary.

Cost

Total Annual Cost With Market Depreciation

$489,884
57% - Variable Cost - $277,092
31% - Fixed Cost - $150,792
13% - Market Depreciation - $62,000
  • Total Annual Cost:
    $427,884
    • Variable Cost:
      $277,092
    • Fixed Cost:
      $150,792
    • Per Hour:
      $1,603
    • Per Nautical Mile:
      $10
    • Per Seat Per Nautical Mile:
      $1
  • Total Annual Cost with Market Depreciation:
    $489,884
    • Market Depreciation:
      $62,000
    • Per Hour:
      $1,835
    • Per Nautical Mile:
      $11
    • Per Seat Per Nautical Mile:
      $1

Hourly Variable Cost

Per flight hour:
$1,038/hr
  • Fuel:
    $249
    • Fuel:
      $237
    • Lubricants:
      $12
  • Maintenance:
    $678
    • Maintenance Labor:
      $310
    • Parts Airframe/Engine/Avionics:
      $341
    • Propeller Allowance:
      $27
  • Engine Reserves:
    $89
  • Miscellaneous Reserves:
    $23
    • Landing/Parking:
      $16
    • ATC Navigation:
    • Crew Expenses:
    • Supplies/Catering:
      $7

Annual Fixed Cost

Annual cost:
$150,792
  • Crew:
    $72,500
    • Captain:
      $58,000
    • Copilot:
    • Benefits:
      $14,500
  • Hangar:
    $40,000
  • Insurance:
    $8,850
    • Hull:
      $7,500
    • Single Limit Liability:
      $1,350
  • Aircraft Modernization:
    $3,100
  • Training:
    $15,200
  • Miscellaneous:
    $11,142
    • Navigation Chart Service:
      $1,742
    • Refurbishing:
      $8,700
    • Computer Maintenance Program:
    • Weather Service:
      $700
    • Other:

Costs are forward looking estimates based on Conklin & de Decker Research. For comparison purposes only.

Understand how these values are calculated in Report Methodology & Glossary.

Performance

Normal cruise:
157 kts
Long-Range cruise:
Maximum cruise:
187 kts
Rate of climb:
1,290 ft/min
Max cert. altitude:
Initial cruise altitude:
Time to cruise altitude:
Service Ceiling:
23,000 ft
Engine out rate of climb:
298 ft/min
Engine out ceiling:
8,200 ft

Field Length

  • FAR-91

    2,340 ft

  • FAR-135

    2,925 ft

  • FAR-121

    3,900 ft

  • Balanced Field Length

    1,920 ft

Speeds

VMC (Ground):
VMC (Air):
V2 (Max. Takeoff Gross Wt.):
VREF (BOW + Pax + NBAA Res.):

FAR 36 Noise Levels

Flyover:
Sideline:
Approach:

Weight/Payload

Weight Breakdown

With Max Payload

With Max Fuel

With Max Payload

Maximum payload:
3,400 lb
Range at max payload:

With Max Fuel

Available payload:
1,120 lb
Passenger capacity:
6 people
Ramp Weight:
12,750 lb
Max Gross Takeoff Weight:
12,750 lb
Max Landing:
Zero Fuel:
12,750 lb
Basic Operating:
9,350 lb
Useful Load:
3,400 lb
Usable Fuel:
2,280 lb

Range

Long-Range Cruise

Range:
Average speed:
Endurance:
Passengers:
2 people

Maximum Cruise

Range:
Average speed:
Endurance:
Passengers:
2 people
Seats full range (30 min reserve):
635 nm
Ferry range (30 min reserve):
1,200 nm

Interior

Passengers:
10 people
Crew:
1 person
Typical Volume Per Passenger:

Cabin volume breakdown:

Total cabin volume:
Passenger area:
Misc space (galley, lav, etc.):
Cabin width:
5 ft
Cabin length:
20 ft
Cabin height:
5.8 ft
Total baggage volume:
Internal:
External:
Door:
Width (door):
Length (door):
Pressure Differential:
Sea Level Cabin to:
Cabin Alt at Max Cert Alt:

Exterior

Wingspan:
66.67 ft
Fuselage:
48.33 ft
Powerplant:
Pratt & Whitney P&W S3H1 Radial 2

Equipment

Avionics

Cockpit Voice Recorder:
Flight Data Recorder:
EICAS:
Ground Warning System:
Traffic Warning System:
Maint Diag Sys:
VHF 8Khz Spacing:

Auxiliary Power Unit

Meets Stage 3 Noise Levels:
Yes
Regulatory Certification:
IFR Certified:
Yes
Production:
1946 - 1951
Single Point Refuel:
External Lav. Service:
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