Equipment unit · VIN-decoded · NHTSA vPIC

1996 Blue Bird BB Conventional

1BAKGCSA1TF815959 · Bus - School Bus · BUS
Carriers run under2
10 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 15, 2025
CA
Last seenAug 5, 2026
CA
Inspected under 2 different carriers in 10 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
1BAKGCSA1TF815959
Make
Blue Bird
Model
BB Conventional
Model year
1996
Body class
Bus - School Bus
Vehicle type
BUS
GVWR
Not decoded
Decoded at
Aug 11, 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
1BA

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KGCSA

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1996 or 2026

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

North American serial sequence
815959

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
BLUE BIRD

Prefix basis · 195 decoded VINs at 100.0% prefix purity.

Model
BB Conventional

Prefix basis · 195 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
1996

Observed directly for this VIN via NHTSA vPIC.

Observed make
BLUE BIRD

Observed directly for this VIN via NHTSA vPIC.

Observed model
BB Conventional

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
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 · Oct 15, 2025 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026CAV · Vehicle-only0ANDERSON UNION HIGH SCHOOL DISTRICT 45191821714281/CA
Oct 15, 2025CAV · Vehicle-only0CASCADE UNION ELEMENTARY SCHOOL DISTRICT 26455241714281/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ANDERSON UNION HIGH SCHOOL DISTRICT4519182Aug 5, 2026Aug 5, 20261CA
CASCADE UNION ELEMENTARY SCHOOL DISTRICT2645524Oct 15, 2025Oct 15, 20251CA
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.
1714281CA1ANDERSON UNION HIGH SCHOOL DISTRICTAug 5, 2026Aug 5, 20261
1714281CACASCADE UNION ELEMENTARY SCHOOL DISTRICTOct 15, 2025Oct 15, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026