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1978 BEECHCRAFT KING AIR C90
Starts from the median asking price of 9 comparable Beechcraft KING AIR C90 listings ($775,000), then adjusts for:
- Airframe time -5,013 hr vs comps +10.0%
- Engine time -2,298 hr vs comps (twin turbine) +20.0%
- Modern GPS navigator (44% of comps) +2.6%
- Garmin G600 (22% of comps) +9.3%
- Autopilot (67% of comps) +0.6%
- No ADS-B (67% of comps have one) -1.7%
- Market supply: 17 for sale of 215 FAA-registered -1.6%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | Beechcraft KING AIR C90 |
|---|---|
| Type | Turboprop |
| Airframe time | 6,984 hrs |
| Engine time | 1,972 SNEW |
| Avionics / GPS | Garmin GNS 530, GNS 430 |
| Avionics / Transponder | Garmin GTX 330ES |
| Avionics / Primary flight display | GARMIN G600 |
| Avionics / Autopilot | GARMIN GFC 600 |
| Avionics / GPS / nav | GNS 530W, GNS 430W |
| Avionics / Weather radar | GWX 68 |
| Avionics / Terrain / EGPWS | TAWS |
| Avionics / Datalink weather | GDL 69A |
Description
Very low-time, professionally maintained King Air C90 with the upgraded Blackhawk -135 engines, great paint and interior and a full Garmin panel including the GFC 600 autopilot giving the airplane similar features of aircraft coming off the production line.
Modifications
• Aviation Fabricators pleated cabin window shades STC SA1672WI • PWI cabin LED downwash lights STC SA01748WI • Aviation Fabricators Inc. King Air cabin table and side panel upgrade • Aft cabin pocket dividers and side facing seat upgrade • Dynamic acoustic absorbers installation • Raisbeck lower aft fuselage strakes STC SA4010NM • Raisbeck Quiet Turbofan Propellers STC SA3593NM • Blackhawk PT6A-135A Engine STC SA10341SC
Avionics
• Garmin GFC 600 Autopilot STC SA01714WI (Upgraded 09/2022) • Garmin GTX330ES & GTX 345 Transponders SA01714WI • Dual Garmin G600 PFD/MFD Systems STC SA02153LA-D • Garmin GDL 69A XM Satelite Data Link System STC SA01487SE-D • Garmin GWX 68 Weather Radar System STC SA01670SE-D • Garmin GNS 530W Nav/Com/GPS w/ TAWS Option STC SA01933LA-D • Garmin GNS 430W Nav/Com/GPS STC SA01933LA-D
Recommended avionics upgrades
The GTN 750Xi is the upgrade from the GNS 530 — bigger touchscreen, WAAS/LPV, and modern nav/comm/MFD.
See prices & suppliers ›No ADS-B is listed — a GTX 345 delivers required ADS-B Out plus In (traffic & weather) in one transponder.
See prices & suppliers ›Suggestions are based on the panel described in this listing; verify STC approval for this make/model before any installation.
Service Difficulty Reports (SDRs)
Checking FAA service difficulty reports…
Airworthiness Directives (ADs)
Checking airworthiness directives…
How this aircraft compares
Where this Beechcraft KING AIR C90 lands versus other Beechcraft KING AIR C90 listings on fyiAero.
Price
median $799k of 12 comparable asking prices
Airframe time
25th pct6,984 hours total (TTAF) · 25th percentile of 24 listings
Engine time (Engine 1)
17th pct1,972 hours since new · 17th percentile of 23 listings
Engine time (Engine 2)
22nd pct1,972 hours since new · 22nd percentile of 23 listings
Percentile = share of comparable listings at or below this value. Lower airframe/engine hours are generally fresher; price reflects the asking price only.
General
| Year | 1978 |
|---|---|
| Manufacturer | BEECHCRAFT |
| Model | KING AIR C90 |
| Serial Number | LJ-750 |
| Condition | Used |
| Registration # | N70FE |
Airframe
| Total Time | 6,984 |
|---|
Engine 1
| Engine 1 Make/Model | PRATT & WHITNEY PT6A-135A |
|---|---|
| Engine 1 Serial Number | PCE-PZ1125 |
| Engine 1 Time | 1,972 SNEW |
| Engine 1 TBO | 3600 |
| Engine 1 Cycles | 1,976 |
| Hot Section Time 1 | 177 |
Engine 2
| Engine 2 Make/Model | PRATT & WHITNEY PT6A-135A |
|---|---|
| Engine 2 Serial Number | PCE-PZ1126 |
| Engine 2 Time | 1,972 SNEW |
| Engine 2 Cycles | 1,976 |
| Hot Section Time 2 | 177 |
Props
| Prop 1 Time | 2458 SNEW |
|---|---|
| Prop 2 Time | 2458 SNEW |
Avionics
| Avionics/Radios | • Garmin GFC 600 Autopilot STC SA01714WI (Upgraded 09/2022) • Garmin GTX330ES & GTX 345 Transponders SA01714WI • Dual Garmin G600 PFD/MFD Systems STC SA02153LA-D • Garmin GDL 69A XM Satelite Data Link System STC SA01487SE-D • Garmin GWX 68 Weather Radar System STC SA01670SE-D • Garmin GNS 530W Nav/Com/GPS w/ TAWS Option STC SA01933LA-D • Garmin GNS 430W Nav/Com/GPS STC SA01933LA-D |
|---|
Additional Equipment
| Additional Equipment | • Aviation Fabricators pleated cabin window shades STC SA1672WI • PWI cabin LED downwash lights STC SA01748WI • Aviation Fabricators Inc. King Air cabin table and side panel upgrade • Aft cabin pocket dividers and side facing seat upgrade • Dynamic acoustic absorbers installation • Raisbeck lower aft fuselage strakes STC SA4010NM • Raisbeck Quiet Turbofan Propellers STC SA3593NM • Blackhawk PT6A-135A Engine STC SA10341SC |
|---|
Interior
| Year Interior | 2007 |
|---|
Exterior
| Year Painted | 2007 |
|---|
Operating costs & specifications — Beechcraft King Air C90
Typical model-level figures for the Beechcraft King Air C90 (not this specific airframe).
Annual cost breakdown
| Low use | High use | |
|---|---|---|
| Hours / year | 200 | 325 |
| Fuel | $106,560 | $173,160 |
| Fixed | $241,976 | $241,976 |
| Variable | $316,760 | $514,735 |
| Total / hour | $2,794 | $2,328 |
Performance & dimensions
| Range | 900 nm |
|---|---|
| Cruise speed | 195 kts · 224 mph |
| Seating | 1 crew + 5 passengers |
| Cabin H × W × L | 4' 9" × 4' 6" × 12' 4" |
| Interior volume | 268 ft³ |
| Takeoff / landing | 5200 ft / 2300 ft |
About this plane
The Beechcraft King Air C90 has a variable operating cost of $1,514 per hour and remains a trusted choice in the light turboprop category. Offering a range of 850 nautical miles and a normal cruise speed of 221 knots (254 mph), the C90 is well-equipped for short-haul and regional travel. With an average fuel burn of just 74 gallons per hour, it stands out for its cost-efficiency and operational reliability. The cabin of the Beechcraft King Air C90 measures 4'9" high, 4'6" wide, and 12'4" long, totaling 268 cubic feet of interior space. It comfortably accommodates up to 7 passengers in a practical and well-designed layout that balances space and functionality. Requiring 5,200 feet for takeoff and just 2,300 feet for landing, the King Air C90 is capable of operating from short runways and unimproved airstrips, making it a versatile option for corporate, charter, and medical missions. Get a Personalized Demo See AviaCost in action with a tailored walkthrough of Beechcraft King Air C90's full ownership model — including trip costs, depreciation, and branded PDF reports.
Range from base
Still-air range ring — type an aircraft to change it. Compare aircraft on the Range tool ›
Last flight
Actual flight path from FlightAware for N70FE. More flight tracking ›
