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1976 Beechcraft King Air C90Turboprop Aircraft

This 1976 Beechcraft King Air C90 (N683MG, S/N LJ-683) presents as a well-maintained turboprop with 9,338 total airframe hours and 9,104 cycles. The aircraft has undergone recent Phase 1-4 inspections completed in March 2025, along with a six-year gear overhaul in April 2025. Powered by Pratt & Whitney PT6A-21 engines (2,702 hours SMOH left, 2,147 hours SMOH right) and Hartzell three-blade Quiet Turbofan propellers, it features a comprehensive Garmin glass cockpit upgrade including a G600 PFD/MFD system with synthetic vision, GTN 750/650 WAAS GPS/Nav/Comms, ADS-B In/Out, and an S-TEC 65 autopilot with Genesys flight director.

The 2021...

Year
1976
Make
Beechcraft
Series
King Air
Model
KING Air C90
Tail #
N683MG
Serial #
LJ-683

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Specifications

Category
Turboprop
Intended Use
Business, Recreational
Flight Rules
IFR
Useful Load
3,512 lbs
Seats
10

Hours, Logs & Inspections

Engine 1 Time
2,702 hrs (SMOH)
Engine 2 Time
2,147 hrs (SMOH)
Inspection Status
Phase 1-4 Inspections: Completed March 2025, Landing Gear Overhauled: April 2025 (6-year gear inspection)

Avionics

GPS

Garmin GTN 750 - GTN WAAS GPS/Nav/Comm w/ TAWS-B, GTN WAAS GPS/Nav/Comm

Comms

Garmin GTN 750 - GTN WAAS GPS/Nav/Comm, GTN WAAS GPS/Nav/Comm

Autopilot

S-TEC 65 - S-TEC Autopilot System w/ Flight Director

Audio

PMA 8000BT - PMA Bluetooth Audio Panel

Weather

Garmin GDL 88 - GDL ADS-B w/ Datalink (Integrated to G600/750/650)

ADS-B Out

Garmin GTX 330ES - ADS-B Out (GTX

ADS-B In

Garmin GDL 88 - ADS-B (GDL

PFD

Garmin G600 - PFD/MFD with Synthetic Vision

MFD

Garmin G600 - PFD/MFD with Synthetic Vision

EMS/EIS

Garmin GRS77 - AHRS, GAD Interface, GMU Magnetometer, GDC ADC

Additional Equipment

Flight Director

Genesys ST-670 - Flight Director (Single Cue)

Standby Instrument

ESI-500 - Electronic Standby Instrument (with Backup Battery)

Wireless Connectivity

Garmin Flight Stream 210 - Wireless Connectivity

Air Conditioning

Pressurized & Environmental Control with A/C

Interior Lighting

LED lighting

Cabinetry

Refinished cabinetry with wood trim

Interior & Exterior

Interior Year
2021
Paint Year
2018
Interior Notes
Refurbished executive interior (2021) in tan leather, dual seating configurations (8-place club or 10-place w/ aft bench), LED lighting, dual executive tables, belted lav seat, and wood cabinetry
Exterior Notes
Matterhorn White with Blue & Silver Metallic Striping (2018), glossy finish, no corrosion or hail, always hangered

Engine & Propeller

Engine Type
Turboprop
Engine Count
2
Engine Make
Pratt & Whitney
Engine Model
PT6A-21
Propeller Model
Hartzell 3-blade Quiet Turbofan Props

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