1979 Commander 690B
Multi Engine Turboprop
Aircraft Details
Seller reportedAvionics & Equipment
BTH10.6") GPS/COM/NAV: Garmin GTN-750 and Garmin GTN-650 Transponder: Garmin GTX-345R (ADS-B Out/In) Weather Radar: Garmin GWX-75 (color) Audio Panel: Garmin GMA-35R (remote) Radar Altimeter: Collins AA-215 Datalink Weather: Garmin GDL-69A SXM (weather SiriusXM radio) Standby: Garmin GI-275 Connectivity: Garmin Flight Stream 510 w/ Bluetooth Additional Equipment Winglets Grand Renaissance mod w/ Supreme Commander mod (c/w 10/1999) Wing spar mod
lower spar cap replaced (CK144 Kit) Keith Freon air conditioning LEMO-style jacks USB ports (2021) Lights: pulsating nose recognition
recognition strobes optional taxiDescription
Modernized 1979 Twin Commander 690B with dual Garmin G600 TXi glass, GTN-750/650 navigators, and ADS-B In/Out. Grand Renaissance airframe with Supreme Commander mod, winglets, and CK144 spar cap complete. Matched engine times, fresh 2026 prop overhauls, complete logs. Logbooks and Video Tours are available upon request. Please call for the password. All Specifications Subject to Verification Upon Inspection. Availability Subject to Prior Lease, Sale, or Withdrawal from Market Without Notice.
Engine
Engines Make: Honeywell Model: TPE331-10T-516K LH Engine SMOH: 2585 RH Engine SMOH: 2585 LH Engine TSHSI: 2585 RH Engine TSHSI: 2585 LH Engine Serial: P-79700C RH Engine Serial: P-79496C Propellers Make: Hartzell Model: HC-B3TN-5FL 3-blade LH Prop Serial: BVA7823 RH Prop Serial: BVA6116 LH Prop SMOH: 21 RH Prop SMOH: 21 Both Propellers Overhauled February 2026 by New Mexico Aircraft Propeller
Propeller
Airframe AFTT: 11,377 Grand Renaissance / Supreme Commander Conversion
Interior
Exterior Matterhorn white with red black stripes Completely stripped, etched, alodined, primed, and repainted on September 2020 Interior Number of Seats: 7 passengers and 1 pilot Executive configuration Refurbished June 2021 Re-foamed and recovered pilot, copilot, and cabin seats in Moore and Giles Leather and sheepskin. Installed new 100% wool carpet, new Ultrasuede headliner, repaired eyebrow panels, and installed LED cabin/baggage lighting
Description and equipment details provided by the seller. AeroGurus does not verify seller-provided information.
Price Comparison
| Source | Price | Location | Listed | Days on Market | Status | Action |
|---|---|---|---|---|---|---|
|
High Performance Aviation
trade-a-plane.com
|
$775,000
|
Conroe, TX | Jun 22, 2026 | 25 days | Active |
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Commander 690B loan calculator
AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Commander 690B
This 1979 Commander 690B (N84GU) is a 7-seat multi engine turboprop with 11,377 hours on the airframe. There are currently 6 690B aircraft listed for sale with asking prices ranging from $595,000 to $1,025,000. This aircraft is priced above the market average at $775,000.
The 690B cruises at 283 kts (524 km/h) with a range of 1,467 nm (2,717 km) — suitable for regional and medium-distance travel. Service ceiling of 31,000 ft allows operation above most weather.
Operating costs: Fuel burn is 70 GPH (265 L/h), which at current Jet-A prices (~$5.50/gal) means approximately $385/hr in fuel alone. Total variable cost including maintenance reserves is approximately $375/hr.
NTSB records show 0 incidents for this airframe — a clean safety record. There are 1 airworthiness directive applicable to this aircraft type — review AD compliance carefully before purchase.
Pre-Purchase Checklist
Commander 690B — Model Specs
Model specificationStandard specs for this model. Actual aircraft may differ.
Estimated Cost of Ownership
AeroGurus estimateCOMMANDER 690B
AeroGurus estimates based on industry averages for the COMMANDER 690B. Actual costs vary by location, usage, maintenance history, and configuration. Not a financial quote.
Ownership & Registration
FAA registration data pending for N84GU.
Location & Ownership
Title Status
No FAA title records
Available for US-registered aircraft only
Source: FAA Aircraft Registry, FAA Civil Aviation Registry (DocIndex). Title data may be delayed. Always verify with an aviation attorney before purchase.
Safety Record
NTSB safety data coming soon.
We'll check N84GU against the NTSB accident database.
Airworthiness Directives — Commander 690B
ADs are mandatory safety instructions issued by the FAA. 1 recent AD found for this aircraft type.
Twin Commander Aircraft Corporation Models 690, 690A, and 690B Airplanes
View full AD →Source: FAA Airworthiness Directives database. Showing most recent ADs for this aircraft type.
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