Scheduled air passenger transportation · Washington

Seattle Maintenance Horizon

Seattle, WA · ~33 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.4
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Seattle Maintenance Horizon runs at 31% of its industry's injury rate - far safer than the typical Scheduled air passenger transportation workplace, earning a grade A.

Seattle Maintenance Horizon: 1.4 TCR = 31% of Scheduled air passenger transportation BLS 4.5 · 3y Form 300A (see methodology below)

Seattle Maintenance Horizon safety composite

Seattle Maintenance Horizon scores strongest on total case rate (tcr) (safer than 90% 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

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 1.41 per 100 workers

Safer than 90% of industry peers

DART rate
D 4.24 per 100 workers

Safer than 51% 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%).

Rising injury rate

Seattle Maintenance Horizon: 0.0 → 4.2 TCR

Peak year 2024 @ 4.2 TCR · DART/TCR 3.01× in 2024

Seattle Maintenance Horizon's TCR rose 4.2 from 0.0 in 2022 to 4.2 in 2024. In 2024, DART was 3.01× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 481111 · Seattle, WA AT/BELOW-IND · SMALL

Grade A · TCR 1.4 · 31% of ind

  • DART 4.2 DART
  • RANK #5/39
  • PHOTO Delta Air Lines - SDF
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~33 FTE

Nearest TCR peer: Delta Air Lines - SDF (0.0 TCR gap)

Read with this employer → · Industry book → · Washington employers → · Look up another →

Seattle Maintenance Horizon in the TCR neighbourhood

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

TCR

What this shows Seattle Maintenance Horizon averages 1.4 TCR (31% of the Scheduled air passenger transportation BLS benchmark).

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

Seattle Maintenance Horizon TCR series: 2022=0 · 2023=0 · 2024=4.2 · BLS 4.5

Where Seattle Maintenance Horizon falls in its industry

1,568 Scheduled air passenger transp establishments

Safer than 90% of graded establishments in this industry, whose median TCR is 6.1.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 39 Scheduled air passenger transp employers in Washington.

Seattle Maintenance Horizon (33 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 102 employees and a TCR of 6.1 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 01,0002,0003,000 0102030 Average employees Total Case Rate Seattle Maintenance Horizon
Seattle Maintenance Horizon (33 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 102 employees and a TCR of 6.1

Seattle Maintenance Horizon has fewer employees than the Scheduled air passenger transportation median and a lower injury rate than the industry's median TCR of 6.1. 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
2024 4.2 4.2 1 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

481111 · WA · Seattle

1,568 Scheduled air passenger transportation employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 1,279 employers in Seattle, WA · 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 Delta Air Lines - SDF 1.4 TCR
NAICS-TCR DAL - Flight Ops 1.4 TCR
NAICS-TCR BWI-FLIGHT OPS 1.4 TCR
NAICS-TCR 4795-PS-PNS-PENSACOLA-PNS-PSAA 1.4 TCR
STATE-SIZE Olsen Ag Inc 33 FTE
STATE-SIZE Diamondback Acres Inc. 33 FTE
STATE-SIZE Washington 33 FTE
STATE-SIZE Trout Lake Farm West Farm 33 FTE
CITY-NEAR UW Seattle 32,378 FTE
CITY-NEAR The United States of America 25,000 FTE
CITY-NEAR Starz Entertainment 25,000 FTE
CITY-NEAR UW Medical Center - Montlake and NW 11,307 FTE
NAT-TCR Simone Construction Services 1.4 TCR
NAT-TCR Pave-Rite, Inc. 1.4 TCR
NAT-TCR Specialty Pharmacy 1.4 TCR
NAT-TCR Tennalum, A Division of Kaiser Aluminum LLC 1.4 TCR
NAT-SIZE Premier Building Restoration Inc 33 FTE
NAT-SIZE Warner Robins 33 FTE
NAT-SIZE Allegheny Structural Components 33 FTE
NAT-SIZE Hampton Inn & Suites Tallahassee 33 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: 2024, 2023, 2022. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.