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$_________
Scheduled (Inspection) Parts …………………………………………………………… $_________
On-Condition/Unscheduled Part ……………………………………………………….. $_________
Reserves: Component Overhaul (TBO) ……………………………………………….. $_________
Reserves: Limited-Life Parts ……………………………………………………………. $_________
Total Airframe Maintenance and Spares Cost……………………………………... $_________(B)
Engine
Scheduled maintenance labor rate @ $ _______ per hour
(Maintenance man-hour/flight hour=$ _______ ) ………………………….....
$_________
Unscheduled maintenance labor rate @ $ _______ per hour
(Maintenance man-hour/flight hour=$ _______ ) __ …………………………..
$_________
Reserves for engine overhaul and spares …………………………………………...... $_________
Total Engine Cost ………………………………………………………………………. $_________(C)
TOTAL DIRECT OPERATING COST (A+B+C) …………………………………. $_________(D)
FIXED OPERATING COST FIXED OPERATING COST
Depreciation
Hull insurance …………………………………………………………………………….. $_________
Liability insurance ………………………………………………………………………… $_________
Pilot salary ………………………………………………………………………………… $_________
Hangar rental …………………………………………………………..…………………. $_________
Total Annual Fixed Operating Cost …………………………………….…………… $_________(E)
Total Hours ( _____________ ) flown annually (F) ………………………….………. $_________(F)
TOTAL FIXED OPERATING COST PER HOUR (E+F) ………………………….…. $_________(G)
Total Direct Operating Cost Per Hour (from above) ………………….…..……….. $_________(D)
TOTAL HOURLY FIXED OPERATING COST (D+G)………………………………... $_________
COMPONENT MAINTENANCE SCHEDULE
30
5.0 Component Maintenance Schedule
Limited-Life Parts
Component Finite Time (hr)
Main Rotor Blade 3,530
Blade Pin 7,600
Main Rotor Hub 8,900
Pitch Housing/MR 9,100
Retention Strap/MR 2.770
Bolt-Lead Lag/Mr 6,120
Lead Lag Link/MR 11,080
Drive Shaft 5,020
Mast 10,450
Transmission Coupling 4,300
T/R Drive Shaft 13,900
T/R Transmission Input Shaft 12,000
T/R Transmission Output Shaft 7,290
T/R Blade 5,140
T/R Hub 3,450
T/R Retention Strap 5,100
Tail Boom Bolts 21,950
Tail Boom 10,300
Vertical Stabilizer 12,700
Horizontal Stabilizer 7,700
Idler Bellcrank 6,500
Overhaul Systems
Component Finite Time (hr)
Transmission/MR 5,000
M/R Swashplate 2,770
M/R Hub 2,770
Overrunning Clutch 1,800
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MD500 Series TechDescription Feb09(8)
