Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding) · California

DFC, Inc dba Advanced Helicopter Services

Woodland, CA · ~54 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.9
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

DFC, Inc dba Advanced Helicopter Services runs at 41% of its industry's injury rate - far safer than the typical Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding) workplace, earning a grade A.

DFC, Inc dba Advanced Helicopter Services: 1.9 TCR = 41% of Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding) BLS 4.5 · 2y Form 300A (see methodology below)

DFC, Inc dba Advanced Helicopter Services safety composite

DFC, Inc dba Advanced Helicopter Services scores strongest on dart rate (safer than 81% of same-industry peers) and weakest on fatalities (safer than 50%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

C

70/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.85 per 100 workers

Safer than 72% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−3.7

2018→2021

DFC, Inc dba Advanced Helicopter Services injury rate improved

DFC, Inc dba Advanced Helicopter Services's TCR fell 3.7 from 3.7 in 2018 to 0.0 in 2021. Peak filing year was 2018 at 3.7 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2018=3.7 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 488190 · Woodland, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.9 · 41% of ind

  • DART 0.0 DART
  • RANK #27/120
  • PHOTO Textron Systems - AT…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~54 FTE

Nearest TCR peer: Textron Systems - ATAC ACE (0.0 TCR gap)

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DFC, Inc dba Advanced Helicopter Services in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows DFC, Inc dba Advanced Helicopter Services averages 1.9 TCR (41% of the Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding) BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

DFC, Inc dba Advanced Helicopter Services TCR series: 2018=3.7 · 2021=0 · BLS 4.5

Where DFC, Inc dba Advanced Helicopter Services falls in its industry

992 Aircraft maintenance and repai establishments

Safer than 72% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #27 safest of 120 Aircraft maintenance and repai employers in California.

DFC, Inc dba Advanced Helicopter Services (54 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 67 employees and a TCR of 3.2 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 05001,0001,500 05101520 Average employees Total Case Rate DFC, Inc dba Advanced Helicopter Services
DFC, Inc dba Advanced Helicopter Services (54 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 67 employees and a TCR of 3.2

DFC, Inc dba Advanced Helicopter Services has fewer employees than the Aircraft maintenance and repair services median and a lower injury rate than the industry's median TCR of 3.2. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2021 0.0 0.0 0 0 0
2018 3.7 1.9 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

488190 · CA · Woodland

992 Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding) employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 172 employers in Woodland, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Textron Systems - ATAC ACE 1.9 TCR
NAICS-TCR Textron Aviation- CSC Sacramento 1.9 TCR
NAICS-TCR ACS_OKC_OK 1.9 TCR
NAICS-TCR JFK 1.9 TCR
STATE-SIZE Sea Mist Farms 54 FTE
STATE-SIZE Harold E. Robben, Jr. 54 FTE
STATE-SIZE Jose Maria Perez 54 FTE
STATE-SIZE Pauma Valley 54 FTE
CITY-NEAR California Department of Transportation Facility 800 2,413 FTE
CITY-NEAR 0555 - Woodland CA DC 1,759 FTE
CITY-NEAR 0555 - Sacramento DC 1,196 FTE
CITY-NEAR 6403-64030173 820 FTE
NAT-TCR Graduate Ann Arbor 1.9 TCR
NAT-TCR Beck Suppliers, Inc. 1.9 TCR
NAT-TCR TMS Calvert 1.9 TCR
NAT-TCR Gold Metal Recyclers LTD 1.9 TCR
NAT-SIZE US7125: Milford 54 FTE
NAT-SIZE Deseret Cattle & Timber 54 FTE
NAT-SIZE Duval Cty #12 54 FTE
NAT-SIZE Peace River Center - Main Street 54 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2021, 2018. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.