Equipment unit · VIN-decoded · NHTSA vPIC

2014 Chart, Inc.

1C9ST4820ET792051 · Trailer · TRAILER
Carriers run under1
17 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 4, 2024
US
Last seenSep 12, 2025
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1C9ST4820ET792051
Make
Chart, Inc.
Model
Chart, Inc.
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1C9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ST482

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1984 or 2014

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
792051

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
CHART, INC.

Prefix basis · 5 decoded VINs at 100.0% prefix purity.

Model
Chart, Inc.

Prefix basis · 5 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
CHART, INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Chart, Inc.

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 4, 2024 – Sep 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 12, 2025AZI · Full0SAPPHIRE GAS SOLUTIONS LLC 3161362121B015/TX
Jun 18, 2025AZIII · Driver-only0SAPPHIRE GAS SOLUTIONS LLC 316136221B015/TX
Oct 18, 2024AZII · Walk-around0SAPPHIRE GAS SOLUTIONS LLC 3161362121B015/TX
Apr 4, 2024USI · Full1SAPPHIRE GAS SOLUTIONS LLC 3161362121B015/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAPPHIRE GAS SOLUTIONS LLC3161362Apr 4, 2024Sep 12, 20254TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
121B015TX2SAPPHIRE GAS SOLUTIONS LLCApr 4, 2024Sep 12, 20253
21B015TX2SAPPHIRE GAS SOLUTIONS LLCJun 18, 2025Jun 18, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026