Aircraft valuation · projection model

Estimated value $26.8M, likely between $24.5M and $29.1M.

2016 G550 · 3,600 hrs · on program

$26.8M

$24.5M$29.1M

In 2031: $21.2M
Value kept: 79%
Per year: −4.6%
Market-calibrated: $27.3M
Confidence: Medium

5-year projection

As of today, on and off an engine program, at 360 hrs a year

ProgramNo programRange

Market value, 2016$26.3M

Recent sales+$466.2K

Hours vs fleet$0

Records$0

Condition$0

Title and ADs$0

Off-program cost$0

Estimate$26.8M

Model disclosure · RV-1.2

How this valuation is built

A market value for the vintage, checked against recent sale evidence, then adjusted for this aircraft’s hours, maintenance position, records, condition and compliance. Every number is live for the 2016 G550.

Subject inputs

Aircraft: Gulfstream G550
Year: 2016
Airframe total time: 3,600 hrs
Future use: 360 hrs a year
Engine program: Enrolled
Engine life used: 58%model assumption
Logbooks: Complete back to birth
Life-limited parts: Fully traced
Airworthiness directives: All complied with
Damage history: None
Projection horizon: 5 years

Model calibration

Market basis: 2026-Q1 quarterly base-value curve
Market value for the vintage: $26.3M
Mature depreciation slope: 3.8% a yearsteeper while the aircraft is young
Fleet utilization: 360 hrs a year
Hourly adjustment: $720 per hour
Engine TBO: 8,000 hrsdrives the off-program cost to cure
Overhaul cost: $3.1M × 2
Published sales on file: 6

Current value bridge

Value = market value for the vintage, adjusted by recent sales, then by this aircraft’s utilization, records, condition, inspections, title and ADs, and the engine and APU position.

Input	Rule	Contribution
Market value for the vintage	Residual curve fitted to the type and year, steeper early in life	$26.3M
Recent sales	Sales adjusted to this aircraft, closer matches weighted more, capped in size	+$466.2K
Utilization vs fleet	3,600 hrs against the fleet norm at 360 hrs a year; the per-hour effect tapers at the extremes	$0
Records and LLP traceability	Graduated by completeness; major back-to-birth gaps compound	$0
Condition, inspections, compliance	Paint, interior, damage, how close the next major inspection is, AD status and title	$0
Off-program cost to cure	Market discount plus near-term engine and APU exposure; zero with verified program coverage	$0
Estimated value	On an engine program	$26.8M

Forward revaluation

Method: The full estimate re-runs for every year of the horizon
Market recalibration: Outlier-resistant fit across all salessale order has no effect
Aging: Residual curve that changes with agenot a fixed decay rate
Hours added: +360 airframe hrs a year
Maintenance position: Engine and APU life and inspection timing advance each year
Program treatment: Coverage removes a bounded discount; it does not change market depreciation
On program, yearly change: −4.6%
Off program, yearly change: −5.0%
Uncertainty today: ±8.6%widens with the horizon
Orderly liquidation value: $24.1M90% of fair market value
Forced liquidation value: $20.8M77.5% of fair market value

Continuous calibration

The curve runs from 2017 to 2031. Each signal is adjusted to this aircraft’s year, hours and program, the differences are capped and weighted by evidence quality, and they combine into one calibration of +1.9%. No single sale can replace the model.

Sold prices: 6weighted 24% to 34% each
Asking prices: 0weighted 10%; an ask is never treated as a sale
Illustrative signals: 5shown to demonstrate the method; never used for accuracy

Every signal, adjusted to this aircraft

Date	Aircraft	Price	Model before	Adjusted to yours	Difference	Weight
Jul 10, 2026	2014 G550Sold	$22M	$26.8M	$26.3M	−2.0%	24%
Jul 6, 2026	2012 G550Sold	$25.9M	$26.8M	$31.6M	+17.9%	24%
Jul 6, 2026	2006 G550Sold	$13M	$26.8M	$24M	−10.5%	24%
Jun 17, 2026	2015 G550Sold	$24.5M	$26.8M	$25.8M	−3.8%	24%
May 1, 2026	2008 G550Sold	$17M	$26.8M	$27.1M	+1.0%	24%
Apr 6, 2026	2015 G550Sold	$28M	$26.8M	$29.5M	+10.0%	24%
Sep 15, 2025	2020 G550Illustrative	$33.4M	$26.9M	$26.8M	−0.6%	10%
Sep 15, 2023	2019 G550Illustrative	$34.1M	$27.1M	$28.7M	+5.6%	10%
Sep 15, 2021	2018 G550Illustrative	$31.4M	$27.3M	$27.8M	+1.7%	10%
Sep 15, 2019	2015 G550Illustrative	$27.5M	$27.8M	$29M	+4.1%	10%
Sep 15, 2017	2014 G550Illustrative	$24.3M	$28.3M	$27M	−4.4%	10%

Evidence and limits

The one-time view is the projection as of today, with no later sales. The continuous view shows how sale evidence moves that curve. Only documented sale prices with a complete profile of the aircraft at the time count toward accuracy; asking prices and illustrative signals never do. This is a model estimate for planning. For a sale, financing or insurance, get an appraisal from a certified appraiser.