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Calcimator

Aircraft Annual Inspection Calculator

Estimate annual inspection costs based on aircraft age, engine hours, complexity, and historical findings. Plan your maintenance budget.

Inputs

years
hrs
years

Results

Total Estimate

$4,106.00

≈ 4 smartphones

Recommended Reserve

$6,159.00

≈ 6 smartphones

Base Inspection Cost$2,226.00
Est. Additional Findings$1,050.00
Est. Parts Cost$830.00
How to Use This Calculator
  1. Enter the aircraft age (years) and engine time since major overhaul (TSMOH in hours).
  2. Rate last inspection findings severity (0 = clean, higher = significant squawks found).
  3. Select aircraft complexity (simple fixed-gear to complex retractable with turbine) and avionics age.
  4. Review base inspection cost, estimated additional findings, parts cost, and total estimate.
  5. Use the recommended reserve per flight hour to budget for future unexpected maintenance.

How the result changes with Aircraft Age

Aircraft AgeTotal EstimateRecommended Reserve
8$3,436.00$5,155.00
28$4,385.00$6,578.00
52$4,385.00$6,578.00
72$4,385.00$6,578.00

What each input means

Aircraft Age
Years since the aircraft was manufactured.
Engine Hours (TSMOH)
Time since major overhaul in hours.
Last Inspection Findings
Number of discrepancies found during last annual.
Aircraft Complexity
Higher complexity aircraft have more systems to inspect.
Avionics Age
Age of the primary avionics suite.

What each result means

Base Inspection Cost
Labor cost for the inspection itself.
Est. Additional Findings
Estimated cost of fixing discrepancies.
Est. Parts Cost
Estimated parts and materials.
Total Estimate
Projected total annual inspection cost.
Recommended Reserve
Suggested budget reserve (1.5x estimate).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Aircraft Age = 20, Engine Hours (TSMOH) = 1200, Last Inspection Findings = 5, Aircraft Complexity = 1 = 5 input(s) provided
  2. Calculate Total Estimate
    Total Estimate
    4106 = $4,106
  3. Calculate Recommended Reserve
    Recommended Reserve
    6159 = $6,159
  4. Calculate Base Inspection Cost
    Base Inspection Cost
    2226 = $2,226
  5. Calculate Est. Additional Findings
    Est. Additional Findings
    1050 = $1,050

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