King Air 90
Introduction: The King Air 90 Buyer’s Guide
This guide is intended for prospective King Air 90 Turboprop buyers, whether private pilots, commercial operators, or businesses. You will find essential information to inform your acquisition decision. We will cover key aspects to help you navigate the market.
We will explore expected price ranges, direct and indirect operating costs, and the specifics of the pre-owned market and, where applicable, the new aircraft market. You will also benefit from a summary of professional and operator reviews on this robust and versatile aircraft.
This article focuses on factual elements to provide you with a solid foundation before investing. The following sections will detail each aspect mentioned, starting with an in-depth technical presentation of the King Air 90.
King Air 90 Market and Budget: Acquisition
What is the price of a new or pre-owned King Air 90?
The King Air 90, produced in various versions (C90, E90, F90, etc.), is no longer available for purchase as a new aircraft since the introduction of newer models like the King Air 260. The market is therefore exclusively focused on pre-owned aircraft, with prices varying considerably depending on the year of manufacture, the aircraft’s overall condition, maintenance history, flight hours, and the level of avionics modernization.
For a 1970s-1980s King Air C90, prices can start around 500,000 USD. For example, a 1993 King Air C90B with approximately 8,000 flight hours could be acquired for about 1.2 million USD on the current market, if the avionics have not been significantly updated. In parallel, a 2008 King Air C90GTe, with newer engines and an integrated avionics suite, can reach 3 million USD, as was the case for a reported sale in 2022 for an aircraft totaling less than 3,000 flight hours.
What is the availability and average transaction time?
The pre-owned King Air 90 market is active, but availability depends on the models and condition sought. Transaction times generally range from 3 to 6 months, including aircraft search, pre-purchase inspection, negotiations, and administrative finalization. Aircraft in excellent condition or with major upgrades sell more quickly.
What is the residual value of the King Air 90?
The residual value of the King Air 90 is generally good for an aircraft in its category, provided rigorous maintenance and regular updates, especially of the avionics. A well-maintained and modernized King Air retains a stable value.
| Value Factor | Positive Example | Negative Example |
|---|
| Maintenance | Meticulous tracking with history | Missing or irregular logbooks |
| Modernization | Glass cockpit avionics, GPWS, TCAS | Original instruments not updated |
| Flight Hours | Low airframe and engine hours | Engines approaching major overhaul |
What initial budget should be planned for acquisition?
For the acquisition of a pre-owned, airworthy King Air 90, it is reasonable to plan an initial budget (CAPEX) excluding operating costs.
| Expense Item | Estimates (USD) | Observations |
|---|
| Purchase Price | 500,000 - 3,000,000 | Varies by age, condition, and equipment |
| Inspection | 10,000 - 50,000 | Pre-acquisition, crucial for condition |
| Legal Fees | 5,000 - 15,000 | Sales contracts, registration |
| Ferry Fees | 5,000 - 20,000 (if applicable) | Transport of aircraft to operating location |
| Upgrades | 0 - 500,000+ | Avionics, interior if not included in price |
| Initial Insurance | 15,000 - 30,000 (first year) | Depends on experience and use |
| Estimated Total CAPEX | 535,000 - 3,500,000+ | Excludes operating and training costs |
King Air 90 Operating Costs (OpEx)
Owning a King Air 90 involves recurring operating costs, which are divided into fixed and variable charges. These costs must be rigorously anticipated to ensure smooth operation of the aircraft.
What are the annual fixed costs?
Fixed costs are independent of the number of flight hours. They encompass essential elements for aircraft ownership.
- Hangarage: The cost of parking the aircraft varies depending on location and type of facility. In the United States, it ranges from 500 to 2,000 USD per month.
- Insurance: Insurance covers the airframe, liability, and sometimes passengers. Annual premiums generally range from 15,000 to 30,000 USD, depending on crew experience, intended use (private or commercial), and aircraft value.
- Crew (if applicable): For private use, a professional pilot can cost between 70,000 and 150,000 USD per year (salary, benefits, training). For commercial use, two pilots are often required.
- FMS/Database Subscriptions: Updates to navigation databases (FMS, charts) represent approximately 2,000 to 5,000 USD per year.
What are the variable costs per flight hour?
Variable costs are directly related to aircraft usage.
- Fuel (Jet-A): King Air 90 fuel consumption varies by model and altitude, but an average of 80 to 100 US gallons (300 to 380 liters) per hour is common. At 6 USD per gallon, this represents 480 to 600 USD per flight hour.
- Engine Maintenance: Pratt & Whitney PT6 engines are known for their reliability but require regular maintenance and costly major overhauls. An average cost of 150 to 250 USD per flight hour is a realistic estimate to cover inspections and component wear. Major engine overhauls (TBO - Time Between Overhaul) occur approximately every 3,600 flight hours. An overhaul can cost from 250,000 to 400,000 USD per engine.
- Airframe Maintenance: Includes periodic inspections of the structure, systems (hydraulic, electrical), and replacement of wear parts. Budget 75 to 150 USD per flight hour.
- Landing Fees and Navigation Charges: Variable depending on airports and countries. Estimated at 50 to 200 USD per landing.
- Avionics Updates and AD/SB: Service Bulletins (SB) and Airworthiness Directives (AD) sometimes require modifications or inspections. Budget 50 to 100 USD per flight hour for these unforeseen events and avionics software updates.
What are the major maintenance milestones?
King Air 90 maintenance is governed by periodic inspections essential for its airworthiness.
- Phase I to IV Inspections: Cycles of 200 hours or 12 months, alternating minor and major inspections.
- “Brake Overhaul” Inspection: Every 1,000 flight hours or 36 months.
- Engine Overhauls (Hot Section Inspection and Overhaul): Every 1,800-2,000 hours for HSI, and 3,600 hours (or 12 years) for a complete PT6 Overhaul. These deadlines are critical and represent significant costs. Adherence to deadlines is imperative.
Comparison of Annual Operating Costs
| Items | 150 hours/year (USD) | 300 hours/year (USD) | 500 hours/year (USD) |
|---|
| Hangarage | 6,000 - 24,000 | 6,000 - 24,000 | 6,000 - 24,000 |
| Insurance | 15,000 - 30,000 | 15,000 - 30,000 | 15,000 - 30,000 |
| Crew (1 pilot) | 70,000 - 150,000 | 70,000 - 150,000 | 70,000 - 150,000 |
| Subscriptions | 2,000 - 5,000 | 2,000 - 5,000 | 2,000 - 5,000 |
| Fuel | 72,000 - 90,000 | 144,000 - 180,000 | 240,000 - 300,000 |
| Engine Maintenance | 22,500 - 37,500 | 45,000 - 75,000 | 75,000 - 125,000 |
| Airframe Maintenance | 11,250 - 22,500 | 22,500 - 45,000 | 37,500 - 75,000 |
| Landing Fees | 7,500 - 30,000 | 15,000 - 60,000 | 25,000 - 100,000 |
| Upgrades | 7,500 - 15,000 | 15,000 - 30,000 | 25,000 - 50,000 |
| Total Annual (USD) | 213,750 - 404,000 | 334,500 - 609,000 | 495,500 - 860,000 |
Buy or Charter a King Air 90: Cost-Usage Arbitration
The decision to acquire a King Air 90 or opt for a charter solution depends heavily on the projected annual flight hours and the operator’s financial objectives. Buying represents a significant capital investment, while chartering offers more operational flexibility.
Buy a King Air 90: Investment Scenarios
Buying involves significant initial costs (CAPEX) and recurring operating costs (OPEX). The amortization of the initial investment occurs over the aircraft’s useful life.
| Cost (USD) | Scenario 1 (150h/year) | Scenario 2 (300h/year) | Scenario 3 (500h/year) |
|---|
| Average CAPEX | 1,500,000 | 1,500,000 | 1,500,000 |
| Annual OPEX | 260,000 | 470,000 | 680,000 |
| Total Cost over 5 years | 2,800,000 | 3,850,000 | 4,900,000 |
| Average Hourly Cost | 3,733 | 2,567 | 1,960 |
- Assumptions: Average CAPEX of 1.5 M USD for a pre-owned aircraft. Average annual OPEX from previous estimates. Total cost over 5 years includes unamortized initial investment and cumulative OPEX. Residual value not considered for simplified comparison.
Charter a King Air 90: Available Solutions
Chartering can take several forms: dry lease, wet lease (or charter), or fractional ownership.
1. Dry Lease
- Definition: Lease of the aircraft only; the operator provides its own crew, fuel, maintenance, and insurance.
- Cost: Monthly rent depends on the aircraft’s age and contract duration. An average estimate is 15,000 to 30,000 USD per month. OPEX remains the operator’s responsibility.
- Usage Scenario: Ideal for operators needing a flexible fleet or not wishing to tie up capital.
2. Charter (Wet Lease / Charter)
- Definition: The operator charters an aircraft with crew, fuel, maintenance, and insurance included.
- Cost: Billed per flight hour. Rates range from 1,800 to 3,000 USD per flight hour for a King Air 90, including most operational costs. Fixed costs are absorbed by the aircraft owner.
- Usage Scenario: Suitable for occasional needs or for low to moderate flight hour volumes, without the constraints of ownership.
| Option (USD) | Scenario 1 (150h/year) | Scenario 2 (300h/year) | Scenario 3 (500h/year) |
|---|
| Dry Lease | 180,000 - 360,000 | 180,000 - 360,000 | 180,000 - 360,000 |
| Additional OPEX | 260,000 | 470,000 | 680,000 |
| Charter (Hourly Cost at 2,400) | 360,000 | 720,000 | 1,200,000 |
- Assumptions: Dry lease at 15,000 USD/month (180,000/year), with OPEX similar to buying for the variable portion. Charter at a fixed cost of 2,400 USD/hour.
Cost-Usage Arbitration Analysis
The comparison shows that for very low usage (less than 100 hours per year), chartering is often the most economical solution, avoiding initial investment and fixed costs.
Between 100 and 300 hours per year, dry lease or fractional ownership can become advantageous. Dry lease amortizes fixed costs over a larger number of operators but requires managing OPEX.
Beyond 300 annual flight hours, buying generally becomes more cost-effective in the long term. The initial investment is amortized over a larger number of operations, reducing the effective hourly cost. Ownership also offers total control over the aircraft, its scheduling, and customization.
Source: Data is based on estimates from general aviation market reports and average operating costs of similar business aircraft. These should be refined by a specific case study.
If you want to learn more about King Air 90 Charter
Where to Buy a King Air 90?
The acquisition of a pre-owned King Air 90 goes through specialized channels, ranging from online platforms to professional broker services. Each option offers advantages in terms of visibility, support, and transaction security.
These sites aggregate a large number of listings and allow for extensive searching.
| Platform Name | URL | Offer Types / Services |
|---|
| Controller.com | https://www.controller.com | Vast inventory of business aircraft |
| | Listings by dealers and sellers |
| | Advanced filtering by model, year, hours |
| Trade-a-Plane.com | https://www.trade-a-plane.com | Listings of various aircraft, parts, services |
| | Offers from individuals and professionals |
| | Print and online magazine options |
| AvBuyer.com | https://www.avbuyer.com | Specialized in business aviation |
| | News, market analysis, and listings |
| | International, with many brokers |
| AircraftDealer.com | https://www.aircraftdealer.com | Aircraft listings, including turboprops |
| | Simple search interface |
Brokerage Houses and Aviation Consultants
Brokers offer a more personalized service and in-depth market expertise.
- International Jet Brokers: Act as intermediaries, finding “off-market” aircraft or opportunities not publicly advertised. They manage negotiation, pre-purchase inspections, and administrative procedures. Useful for inexperienced buyers or those seeking a very specific model.
- Aero Asset: Specializes in market analysis and brokerage for business aviation. They provide precise data on past transactions and trends.
- Independent Consultants: Experts acting for the buyer, without conflicts of interest. They can oversee the entire process, from defining needs to delivery.
Online platforms offer direct access to a wide range of listings, allowing for independent searching. They are ideal for initial market exploration and for buyers with good technical and legal knowledge. However, they require time and increased due diligence to verify information.
Brokers, on the other hand, provide significant added value through their expertise and network. They facilitate the acquisition process, from aircraft selection to sale completion. Their services are particularly recommended for complex transactions, buyers seeking informed advice, or those with less time. Broker compensation is generally a percentage of the sale price or a fixed commission.
King Air 90 Owner Reviews
King Air 90 owners share varied experiences, reflecting the versatility and specific characteristics of this aircraft. Their opinions range from satisfaction with performance to considerations regarding operating costs.
« My 1995 C90B is a true workhorse. We primarily use it for regional business flights, often on short runways. The reliability of the PT6s is legendary, and the aircraft is very forgiving. It’s comfortable for our passengers, and the payload capacity is excellent for our use. Maintenance costs are certainly present but predictable if you follow the program: it’s a worthwhile investment given the service it provides us daily. »
— Pierre, Logistics Director, France
« We have a 1970s E90 that we’ve fully modernized with new avionics. It’s great for its range and ability to operate on unprepared fields. However, the scarcity of certain original parts is starting to be an issue, and the cost of PT6 engine overhauls is a major factor to consider. My main complaint would be the cabin noise compared to more modern jets, a point to consider for long flights with sensitive passengers. It remains an excellent aircraft, but you have to be prepared to invest in its maintenance. »
— Carlos, Charter Operator, Brazil
Discover many reviews on the King Air 90
Buy a King Air 90: Transactional Conclusion
The acquisition of a King Air 90 represents a strategic decision, combining proven performance and versatile use for various missions. Whether for regional business flights, light cargo transport, or specialized needs, this turboprop aircraft offers a reliable and recognized solution.
To realize your project, a thorough analysis of your operational needs and budget is essential. We invite you to consider the detailed financial elements – acquisition costs, fixed and variable operating costs, as well as purchase or charter options – to determine the most advantageous formula for your activities.
To refine your decision and obtain a personalized quote, we strongly recommend:
- Contacting a specialized business aviation broker: Their expertise and market knowledge will help you identify the King Air 90 that precisely matches your criteria and navigate the complexities of acquisition.
- Requesting a comprehensive pre-purchase evaluation: Before any commitment, a detailed technical inspection of the envisioned aircraft is imperative to ensure its compliance and anticipate any potential upgrade costs.
The King Air 90 is a lasting investment. Rigorous planning and the support of qualified professionals are the keys to a successful acquisition and serene operation.
What are the common financing methods for a King Air 90?
Loans are available from specialized lenders, commercial banks, or through OEM financing subsidiaries. Conditions depend on the aircraft’s age (often less than 20 years), its use (private or commercial), and adherence to an engine maintenance program.
Is an engine maintenance program mandatory for financing?
Most lenders require the aircraft to be enrolled in an approved hourly engine maintenance program. This ensures residual value and ease of resale, acting as a form of insurance for the investment.
Is the King Air 90 suitable for short runways?
Yes, the King Air 90 is renowned for its excellent short-field performance. Its turboprop configuration allows it to operate from airfields with limited infrastructure, thus increasing its versatility.
How to manage commercial operations (Part 135) with a King Air 90?
Commercial operations (charter) under Part 135 involve strict requirements for maintenance, personnel, and regulations. It is often recommended to use an aircraft management company to ensure compliance and operational efficiency.
What technical pitfalls should be watched for during purchase?
Pitfalls include poorly installed avionics upgrades, incomplete maintenance records, and non-compliance with Airworthiness Directives (ADs). These issues can devalue the aircraft, make financing difficult, or even ground it.
What about parts availability for older models?
For older King Air 90s, the availability of certain original parts can be a challenge. It is crucial to ensure parts traceability and consider the impact on future maintenance costs.
Should the aircraft be registered on the international registry?
In addition to national registration, registering the King Air 90 on the international registry is suggested for asset protection. This provides additional security in case of disputes or future financing needs.
Are maintenance costs a significant factor?
Yes, maintenance costs, particularly for PT6 engine overhauls, are a major financial factor. Rigorous preventive maintenance and adherence to an engine program can help smooth these expenses and preserve the aircraft’s value.
