Official Methodology of the “JETVIP Reliability Index”
Nov 29, 2025
What is the JETVIP Reliability Index?
JETVIP Reliability Index is a proprietary system developed by the JETVIP team to evaluate the operational reliability of private aircraft.
The Index helps clients quickly understand how stable, predictable, and dependable a specific aircraft model performs in real-world operations.
This is not a “safety rating.”
All certified aircraft meet strict safety standards.
This is a rating of operational reliability, a crucial factor in business aviation:
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frequency of AOG events,
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incident and failure rates,
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platform maturity,
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engineering quality,
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durability of avionics and engines.
All aircraft in our catalog will soon receive their individual JETVIP Reliability Index score.
This becomes the second unique rating system introduced by JETVIP:
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the model popularity score,
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the model reliability score.
Together, they allow our clients and partners to evaluate aircraft based on the perfect combination of price / reliability / popularity.
⭐ How the JETVIP Reliability Index is Calculated
Each aircraft model receives an individual score from 55 to 99, calculated using 24 parameters grouped into six core categories:
1. Platform Reliability (30%)
Based on the reputation and maturity of the aircraft family:
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stability of engineering solutions
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accumulated fleet experience
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manufacturer’s engineering quality
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known weak points of the model line
Example: Dassault Falcon and Pilatus platforms are traditionally among the most stable.
2. Operational Record & Failure Resistance (20%)
We analyze:
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MTBF (Mean Time Between Failures)
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average AOG downtime
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total fleet flight hours
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available operational reports
This category reflects how often the aircraft is prone to unplanned ground time.
3. Platform Age & Generation (15%)
Newer generations typically score higher:
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NG / Gen2 / neo / E2 / NGX versions
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modern avionics (G5000/G6000, ProLine Fusion, Honeywell Primus)
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updated engines (PW600, Williams FJ44, GE Passport)
Older versions receive a downward correction.
4. Manufacturer Reputation (15%)
A comprehensive assessment of the brand:
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consistency of engineering
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build quality
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avionics durability
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long-term operational statistics
Example: Dassault, Gulfstream, Embraer and Pilatus are historically industry leaders.
5. Aircraft Class & Mission Profile (10%)
Different classes naturally have different reliability profiles:
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long-range jets → highest reliability
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light jets → medium
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turboprops → very stable
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regional aircraft → slightly lower
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older Soviet/Russian platforms → below average
6. Model-Specific Parameters (10%)
Adjustments based on:
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specific series (e.g., Learjet 24 vs Learjet 75)
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engine version
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known operational quirks
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aggregated operator feedback
🎯 The Goal of the Rating
To help clients:
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choose an aircraft that will not let them down,
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minimize the risk of delays and rescheduling,
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understand the real operational performance of each model.
🔥 Why the Rating Is Unique
Because it is based on:
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real operator statistics
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engineering and maintenance data
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thousands of accumulated flight hours per platform
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JETVIP’s own extensive internal database (aircraft, operators, routes)
No similar rating exists anywhere in the CIS region.
📌 Score Interpretation
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95–99 → Benchmark reliability
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90–94 → Very high
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85–89 → Above average
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80–84 → Stable and good
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75–79 → Average
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70–74 → Below average but acceptable
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65–69 → Low
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55–64 → Weak (older/rare platforms)
🛩️ Universal “Model Reliability” Text Block
(for dynamic insertion inside each aircraft page)
Model Reliability
The {{Model Name}} has a reliability rating of {{Rating}} / 100 according to the JETVIP Reliability Index.
This score reflects the aircraft’s operational stability, fleet maturity, manufacturer reputation, avionics generation, and known characteristics of the model.
What this rating means:
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If Rating ≥ 90:
This aircraft belongs to the most reliable category in business aviation. The likelihood of unscheduled downtime is minimal. -
If 85–89:
A highly stable model with solid engineering and predictable performance. -
If 80–84:
A reliable and well-balanced aircraft suitable for regular charter operations. -
If 75–79:
A moderate reliability level. Suitable when balancing cost and mission profile. -
If 70–74:
A working platform that may be older or simpler. Occasional AOG events are possible. -
If <70:
A less reliable platform by modern standards. We recommend checking the condition of the specific aircraft before booking.
What influences the score:
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structural and engineering stability
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aircraft age and avionics generation
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engine reliability
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manufacturer reputation
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operational failure statistics
This rating helps clients choose an aircraft that will provide a comfortable, predictable, and disruption-free flight experience.
🚀 Stay Tuned
We are actively developing new features and soon will present a fully redesigned JETVIP website built on a new platform and modern architecture.
We never stand still — JETVIP grows and improves every day.
With respect,
The JETVIP Team