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One Engine Inoperative MDA/DA calculator
Your adjusted MDA/DA is:
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Comparison of achieved vs required gradient and climb rates
Calculation Details
Enter valid positive numbers in all fields (groundspeed > 0).
Disclaimer:
This tool is a planning aid and applies standard climb-gradient maths to help plan OEI minima. It does not replace the AFM/POH, the published procedure, CASA/PANS-OPS criteria, or company SOPs. Verify inputs (especially groundspeed, OEI ROC, and any published higher missed-approach gradient) and confirm that any adjusted MDA is compatible with the procedure’s segments and notes. The pilot/operator remains responsible for compliance and operational decisions.

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