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1979 COMMANDER 690B GRAND RENAISSANCE
Starts from the median asking price of 14 comparable COMMANDER Turboprop listings ($749,000), then adjusts for:
- Airframe time +3,904 hr vs comps -7.8%
- Engine time +148 hr vs comps -0.4%
- Garmin G600 glass (uncommon in comps) +3.0%
- FIKI (known-ice) (uncommon in comps) +2.0%
- Market supply: 9 for sale of 59 FAA-registered -5.0%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | COMMANDER 690B GRAND RENAISSANCE |
|---|---|
| Type | Turboprop |
| Airframe time | 11,377 hrs |
| Engine time | 2,585 SMOH |
| Prop blades | 3 |
| Avionics / flight deck | GARMIN G600 TXI |
| Avionics / Transponder | Garmin GTX 345R |
| Avionics / Other | Garmin GI 275, Garmin GDL 69A, Garmin GTN 750, Garmin GTN 650, Garmin G600 |
| ADS-B | Yes |
| Annual | June 2026 |
| Inspection | Annual |
Description
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. ---- This Turbo Commander has everything you could want. A Grand Renaissance airframe with the Supreme Commander mod, winglets installed, and the wing spar lower cap replacement (CK144 kit) complete. Upgrade Honeywell TPE331-10T engines that carry matched times, and Hartzell three-blade props fresh out of overhaul in February 2026. The panel stands up to anything in class: dual Garmin G600 TXi EFIS, GTN-750 and GTN-650 navigators, GTX-345R with ADS-B In/Out, GWX-75 color radar, GDL-69A datalink weather and SiriusXM, GI-275 standby, and Flight Stream 510. Pair that with the S-TEC 3100 autopilot with preselect and Keith Freon air conditioning, and this airplane is ready to go to work. The plane is cosmetically excellent. Matterhorn white paint laid over a full strip and prime in 2020, and an executive seven passenger interior refurbished in 2021 in Moore and Giles leather, sheepskin, and wool carpet. Complete logs throughout. Located in Conroe, TX (KCXO). Contact High Performance Aviation for full specifications or to arrange a viewing. 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.
Modifications
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 taxi
Avionics
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
General
| Year | 1979 |
|---|---|
| Manufacturer | COMMANDER |
| Model | 690B GRAND RENAISSANCE |
| Serial Number | 11522 |
| Condition | Used |
| Registration # | N84GU |
| FlightRules | IFR |
| Based at | CXO |
Airframe
| Total Time | 11,377 |
|---|---|
| Complete Logs | Yes |
| Winglets | Yes |
Engine 1
| Engine 1 Make/Model | HONEYWELL TPE331-10T-516K |
|---|---|
| Engine 1 Serial Number | P-79700C |
| Engine 1 Time | 2,585 SMOH |
| Engine 1 TBO | 5000 |
| Hot Section Time 1 | 2,585 |
Engine 2
| Engine 2 Make/Model | HONEYWELL TPE331-10T-516K |
|---|---|
| Engine 2 Serial Number | P-79496C |
| Engine 2 Time | 2,585 SMOH |
| Engine 2 TBO | 5000 |
| Hot Section Time 2 | 2,585 |
Props
| Prop 1 Manufacturer | HARTZELL |
|---|---|
| Prop 1 Model | HC-B3TN-5FL |
| Prop 1 Time | 21 SMOH |
| Prop 2 Manufacturer | HARTZELL |
| Prop 2 Time | 21 SMOH |
| Number of Blades | 3 |
Avionics
| Flight Deck Manufacturer/Model | GARMIN G600 TXI |
|---|---|
| Primary Flight Display 1 Manufacturer/Model | GARMIN G600 TXI |
| Primary Flight Display 2 Manufacturer/Model | GARMIN G600 TXI |
| GPS 1 Manufacturer/Model | GARMIN GTN 750 |
| GPS 2 Manufacturer/Model | GARMIN GTN 650 |
| Transponder 1 Manufacturer/Model | GARMIN GTX345R |
| Autopilot Manufacturer/Model | S-TEC 3100 |
| ADS-B Equipped | Yes |
| Avionics/Radios | 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
| Pressurized | Yes |
|---|---|
| Flight Into Known Icing (FIKI) | Yes |
| 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 taxi |
Interior
| Year Interior | 2021 |
|---|---|
| Number of Seats | 8 |
| Configuration | Passenger |
Exterior
| Year Painted | 2020 |
|---|
Inspection Status
| Inspection Status | Complete Logs No Damage History Annual: Due June 2026 IFR Checks: Due December 2027 5-Year Gear Inspection: Due May 2025 |
|---|
