FUEL AND LUBRICANTS Cost/Hour
Fuel and oil consumption is estimated at 75% cruise power utilization and based on average prices.
Fuel 16.0 gal./hr. at $3.80 $60.80
Oil ¼ qt./hr. at $2.40 $0.60 $61.40

SCHEDULED AND UNSCHEDULED MAINTENANCE LABOR
Inspections include 50 and 100 hours and a reserve for unscheduled maintenance. $26.00
(40 hr. / 100 flt. hr. X $65 labor rate)

RESERVE FOR MAIN ROTOR GEARBOX OVERHAUL
Based on main rotor gearbox overhaul price of $14,900 at 1,200 hrs.
Fixed overhaul price. $13.23
(Includes $975 labor)

RESERVE FOR OVERRUNNING CLUTCH OVERHAUL/EXCHANGE
Based on overrunning clutch exchange price of $6,900 at 2,400 hrs. $ 3.01
(includes $325 labor)

RESERVE FOR TAIL ROTOR GEARBOX OVERHAUL
Based on tail rotor gearbox overhaul price of $4,700 at 1,200 hrs.
Fixed overhaul price. $ 4.31
(includes $228 labor)

RESERVE FOR ENGINE OVERHAUL
Based on engine overhaul price of $25,400 at 1,500 hrs. $24.70
(Includes $3900 labor)

RESERVE FOR AIRCRAFT SPARE PARTS
Scheduled and unscheduled parts consumption using average experience. $10.28

RESERVE FOR RETIREMENT ITEMS
Item Part No. Hours Unit Cost Total
Lamiflex Bearings 28-14320-15 *5 year 1550.00 4650.00 $ 3.88
Drive Belt Idler Bearings (2) ECD018-11 600 66.50 133.00 0.22
Flex Plate Elements (2) 28-01041-3 1,200 123.96 247.92 0.21
Tail Rotor Blades (2) 28-150002-1 3,100 3400.00 6800.00 2.19
Tail Rotor Spindle 28-150074-13 1,200 1850.00 1850.00 1.54
Turbocharger (OH) 3BT5EE10J2 1,000 3850.00 3850.00 3.85
Estimated total hourly retirement cost: $ 11.89
*(Lamiflex life is 5 years, 1200 hr. used for this calculation)

TOTAL DIRECT OPERATING COST PER HOUR: $154.82
Note: All hours and labor rates are based on field averages performed by experienced mechanics. Maintenance hours and costs to perform above noted tasks will vary due to operating conditions and the general care given the helicopter as well as the shop rate charged by the individual repair station."Preventive maintenance is the cheapest maintenance." Aircraft that are infrequently used will probably experience higher hourly operating costs. Jan 07


Veja o conteúdo em formato PDF
- ENSTROM 280FX SHARK, Standard Equipment
- 280FX / F28F / F28F-P Direct Operating Cost
- ENSTROM 280FX
- ENSTROM F28F
- ENSTROM F28F FALCON, Standard Equipment