Support for Air transportation · Michigan

Signature Flight Support GRR MRO

Grand Rapids, MI · ~19 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.0
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

Signature Flight Support GRR MRO runs at 245% of its industry's injury rate - far more dangerous than the typical Support for Air transportation workplace, earning a grade F.

Signature Flight Support GRR MRO: 11.0 TCR = 245% of Support for Air transportation BLS 4.5 · 3y Form 300A (see methodology below)

Signature Flight Support GRR MRO safety composite

Signature Flight Support GRR MRO scores strongest on dart rate (safer than 81% of same-industry peers) and weakest on total case rate (tcr) (safer than 5%), 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).

D

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.02 per 100 workers

Safer than 5% 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

−9.7

2016→2020

Signature Flight Support GRR MRO injury rate improved

Signature Flight Support GRR MRO's TCR fell 9.7 from 15.4 in 2016 to 5.7 in 2020. Peak filing year was 2016 at 15.4 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2016=15.4 · 2018=12.0 · 2020=5.7

OSHA ITA Form 300A scorecard

Establishment book 488190 · Grand Rapids, MI ABOVE-IND · SMALL

Grade F · TCR 11.0 · 245% of ind

  • DART 0.0 DART
  • RANK #20/20
  • PHOTO 9215-ATLSKY
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~19 FTE

Nearest TCR peer: 9215-ATLSKY (0.0 TCR gap)

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

Signature Flight Support GRR MRO in the TCR neighbourhood

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

TCR

What this shows Signature Flight Support GRR MRO averages 11.0 TCR (245% of the Support for Air transportation BLS benchmark).

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

Signature Flight Support GRR MRO TCR series: 2016=15.4 · 2018=12 · 2020=5.7 · BLS 4.5

Where Signature Flight Support GRR MRO falls in its industry

992 Support for Air transportation establishments

Safer than 5% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #20 safest of 20 Support for Air transportation employers in Michigan.

Signature Flight Support GRR MRO (19 employees, TCR 11.0) 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 Signature Flight Support GRR MRO
Signature Flight Support GRR MRO (19 employees, TCR 11.0) among 29 same-industry peers, split at the industry median of 67 employees and a TCR of 3.2

Signature Flight Support GRR MRO has fewer employees than the Support for Air transportation median and a higher 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
2020 5.7 0.0 1 0 0
2018 12.0 0.0 2 0 0
2016 15.4 7.7 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

488190 · MI · Grand Rapids

992 Support for Air transportation employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 1,006 employers in Grand Rapids, MI · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR 9215-ATLSKY 11.0 TCR
NAICS-TCR Northeast Air 11.1 TCR
NAICS-TCR MINNEAPOLIS - ST. PAUL AIRPORT (MNMTP) 11.0 TCR
NAICS-TCR SPECTRA JET, INCORPORATED 10.9 TCR
STATE-SIZE Everbest 19 FTE
STATE-SIZE C3 Industries, Inc - Webberville (Greenhouse) 19 FTE
STATE-SIZE Rieth-Riley - Houghton Lake 19 FTE
STATE-SIZE Arenac County Road Commission 19 FTE
CITY-NEAR SHHG-GR BUTTERWORTH CA 9,012 FTE
CITY-NEAR SH Butterworth Hospital 7,397 FTE
CITY-NEAR Mercy Health Saint Mary's Hospital-MH-MI 2,914 FTE
CITY-NEAR Steelcase - Grand Rapids / Kentwood 2,817 FTE
NAT-TCR 450 Seaview Avenue 11.0 TCR
NAT-TCR Silver Creek Industries LLC 11.0 TCR
NAT-TCR 389 ABC Supply Co., inc 11.0 TCR
NAT-TCR Southern Lifestyle Senior Living Center 11.0 TCR

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: 2020, 2018, 2016. 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.