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Multi-Engine Piston

1986 GULFSTREAM GIII

$1,100,000 fyiEstimate $3,470,500–$3,558,000 ⓘ How this estimate is built

Starts from the median asking price of 22 comparable GULFSTREAM Multi-Engine Piston listings ($5,197,500), then adjusts for:

Year -18 vs comparable listings -20.0%
Airframe time +3,796 hr vs comps -7.6%
Engine time +4,788 hr vs comps -12.0%
Autopilot (uncommon in comps) +2.0%
Market supply: 1 for sale of 32 FAA-registered +1.9%

Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.

Contact Seller

Year1986

Total time (TTAF)10,623 hrs

RegistrationN388MM

Serial #490

EngineROLLS ROYCE SPEY MK511-8

Engines2

Prop—

Based at—

Jan Mann

📞 (602) 757-1234

📍 Franklin, Tennessee

Ac Travel LLC

Per the FAA aircraft registry (public record)

📍 6723 Pleasantview St NE, Rockford, MI 49341, USA

Overview

Make / Model	GULFSTREAM GIII
Type	Multi-Engine Piston
Airframe time	10,623 hrs
Engine time	10,250 SNEW
Annual	Year 2000

Autopilot

Description

This G3 truly stands out in both condition and upgrades. It features extensive interior enhancements and an impressively equipped cockpit for an aircraft in its class. Privately owned and meticulously cared for, this aircraft reflects pride of ownership throughout. (Note: All Specifications subject to verification).

Modifications

GoGo Advance L3 Wifi (2025) Artex 406 MHz Hubbard Hush Kit Installation!

Avionics

Universal EFIS-890 Glass Cockpit Upgrade. Dual Universal UNS-1 Ew WAAS LPV "FMS". Universal Unilink - FANS 1/A+. Universal Vision-1 Synthetic Vision System. Sperry 880 Color Radar Sperry SPZ-800 Autopilot TAWS. Universal USB Data-loader. Dual Honeywell Laser IRU.

General

Year	1986
Manufacturer	GULFSTREAM
Model	GIII
Serial Number	490
Registration #	N388MM
Condition	Used

Airframe

Total Time	10,623
Total Landings	4,901
Maintenance Tracking	CAMP

Engine 1

Engine 1 Make/Model	ROLLS ROYCE SPEY MK511-8
Engine 1 Serial Number	S/N: 11403
Engine 1 Time	10,250 SNEW

Engine 2

Engine 2 Make/Model	ROLLS ROYCE SPEY MK511-8
Engine 2 Serial Number	S/N: 11413
Engine 2 Time	10,289 SNEW

Avionics

WAAS	Yes
LPV	Yes
SVT	Yes
Avionics/Radios	Universal EFIS-890 Glass Cockpit Upgrade. Dual Universal UNS-1 Ew WAAS LPV "FMS". Universal Unilink - FANS 1/A+. Universal Vision-1 Synthetic Vision System. Sperry 880 Color Radar Sperry SPZ-800 Autopilot TAWS. Universal USB Data-loader. Dual Honeywell Laser IRU.

Additional Equipment

Wifi	Yes
Additional Equipment	GoGo Advance L3 Wifi (2025) Artex 406 MHz Hubbard Hush Kit Installation!

Inspection Status

Inspection Status	Engine Life Extension 5Y2K (5 Year 2000 Hour) completed by Dallas Airmotive Feb 2025. Landing Gear OH due @ 5000 cycles. Noise Compliance QS-3 Hush-kit (Stage 3 Compliance). Hubbart QS-3 Hush-kits (Stage 3 Compliant).