Equipment unit · VIN-decoded · NHTSA vPIC

2008 Ic Bus PB305

4DRBWAAR08A503927 · Bus - School Bus · BUS
Carriers run under2
23 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMar 20, 2024
CA
Last seenFeb 23, 2026
CA
Inspected under 2 different carriers in 23 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4DRBWAAR08A503927
Make
Ic Bus
Model
PB305
Model year
2008
Body class
Bus - School Bus
Vehicle type
BUS
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 9, 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
4DR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BWAAR

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2008 or 2038

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

North American serial sequence
503927

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
IC BUS

Prefix basis · 394 decoded VINs at 100.0% prefix purity.

Model
PB305

Prefix basis · 394 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
2008

Observed directly for this VIN via NHTSA vPIC.

Observed make
IC BUS

Observed directly for this VIN via NHTSA vPIC.

Observed model
PB305

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Bus - School Bus

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
BUS

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Mar 20, 2024 – Feb 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 23, 2026CAV · Vehicle-only0AEROCOACH TRANSPORTATION LLC 27341568G51184/CA
Mar 5, 2025CAV · Vehicle-only0WESS TRANSPORTATION SERVICES INC 27132718G51184/CA
Mar 20, 2024CAV · Vehicle-only0WESS TRANSPORTATION SERVICES INC 27132718G51184/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AEROCOACH TRANSPORTATION LLC2734156Feb 23, 2026Feb 23, 20261CA
WESS TRANSPORTATION SERVICES INC2713271Mar 20, 2024Mar 5, 20252CA
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.
8G51184CAAEROCOACH TRANSPORTATION LLCFeb 23, 2026Feb 23, 20261
8G51184CAWESS TRANSPORTATION SERVICES INCMar 20, 2024Mar 5, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026