Hdh Instruments Lp is an active intrastate non-hazmat carrier based in Pattison, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 6 | ||
Distinct vehicles · 24 mo
vs 6 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 98% | 98% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 97% | 97% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 | 3 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 2, 2025 | TX | TRUCK TRACTOR | 7 | 2 |
| Nov 13, 2024 | TX | TRUCK TRACTOR | 4 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 7.50 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 23.25 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Unsafe Driving |
| 2 |
| 1 |
| 0 |
| Dec 2, 2025 |
| 3922LC |
| Improper lane change |
| Unsafe Driving |
| — |
| Dec 2, 2025 | 39282A1 | Using a hand-held mobile telephone while operating a CMV | Unsafe Driving | — |
| Dec 2, 2025 | 393106B | Cargo not immobilized or secured | Vehicle Maintenance | Yes |
| Dec 2, 2025 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Dec 2, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Dec 2, 2025 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Dec 2, 2025 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Nov 13, 2024 | 393209E | Power steering violations | Vehicle Maintenance | — |
| Nov 13, 2024 | 39345B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | Vehicle Maintenance | — |
| Nov 13, 2024 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |