Aircraft assemblies, subassemblies, and parts (except engines) manufacturing · California
Hammerhead Aviation LLC
El Cajon, CA · ~42 workers · 5 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 6.3
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Hammerhead Aviation LLC runs at 191% of its industry's injury rate - more dangerous than the typical Aircraft assemblies, subassemblies, and parts (except engines) manufacturing workplace, earning a grade D.
Hammerhead Aviation LLC: 6.3 TCR = 191% of Aircraft assemblies, subassemblies, and parts (except engines) manufacturing BLS 3.3 · 5y Form 300A (see methodology below)
Hammerhead Aviation LLC safety composite
Hammerhead Aviation LLC scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 7%), 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).
22/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 6.29 per 100 workers
Safer than 7% of industry peers
- DART rate
- F 2.41 per 100 workers
Safer than 19% 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
−7.5
2020→2024
Hammerhead Aviation LLC injury rate improved
Hammerhead Aviation LLC's TCR fell 7.5 from 9.9 in 2020 to 2.4 in 2024. Peak filing year was 2020 at 9.9 TCR. In 2024, DART was 0.38× this establishment's average TCR (severity share of cases).
2020=9.9 · 2021=2.5 · 2022=7.4 · 2023=9.2 · 2024=2.4
OSHA ITA Form 300A scorecard
Establishment book 336413 · El Cajon, CA ABOVE-IND · SMALL
Grade D · TCR 6.3 · 191% of ind
- DART 2.4 DART
- RANK #91/104
- PHOTO Whitcraft Eastford
- BOOK 5y book
- INJ 10 inj
- SIZE ~42 FTE
Nearest TCR peer: Whitcraft Eastford (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Hammerhead Aviation LLC in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- LMI - Savannah
LMI - Savannah
6.5 TCR
- This site
Hammerhead Aviation LLC
6.3 TCR
- Whitcraft East
Whitcraft Eastford
6.3 TCR
- Ashley Machine
Ashley Machine & Tool
6.3 TCR
- Applied Compos
Applied Composites - Indy
6.2 TCR
What this shows Hammerhead Aviation LLC averages 6.3 TCR (191% of the Aircraft assemblies, subassemblies, and parts (except engines) manufacturing BLS benchmark).
Hammerhead Aviation LLC TCR series: 2020=9.9 · 2021=2.5 · 2022=7.4 · 2023=9.2 · 2024=2.4 · BLS 3.3
Where Hammerhead Aviation LLC falls in its industry
650 Aircraft assemblies, subassemb establishmentsSafer than 7% of graded establishments in this industry, whose median TCR is 1.9.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #91 safest of 104 Aircraft assemblies, subassemb employers in California.
Hammerhead Aviation LLC has fewer employees than the Aircraft assemblies, subassemblies, and median and a higher injury rate than the industry's median TCR of 1.9. 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 | 2.4 | 2.4 | 0 | 1 | 0 |
| 2023 | 9.2 | 4.6 | 4 | 0 | 0 |
| 2022 | 7.4 | 2.5 | 2 | 1 | 0 |
| 2021 | 2.5 | 2.5 | 1 | 0 | 0 |
| 2020 | 9.9 | 5.0 | 3 | 1 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
336413 · CA · El Cajon
650 Aircraft assemblies, subassemblies, and parts (except engines) manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 236 employers in El Cajon, 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 | Whitcraft Eastford | 6.3 TCR |
| NAICS-TCR | Ashley Machine & Tool | 6.3 TCR |
| NAICS-TCR | Applied Composites - Indy | 6.2 TCR |
| NAICS-TCR | LMI - Savannah | 6.5 TCR |
| STATE-SIZE | Quad H | 42 FTE |
| STATE-SIZE | CJJ Farming, Inc | 42 FTE |
| STATE-SIZE | Oceano Packing Company LLC | 42 FTE |
| STATE-SIZE | Connell Ranch | 42 FTE |
| CITY-NEAR | SOUTHERN REGION : SDU | 1,176 FTE |
| CITY-NEAR | California Department of Transportation Facility 370 | 1,148 FTE |
| CITY-NEAR | GKN Aerospace Chem-tronics | 1,059 FTE |
| CITY-NEAR | GKN Aerospace Chem Tronics | 938 FTE |
| NAT-TCR | Rapak- Indianapolis | 6.3 TCR |
| NAT-TCR | Gristedes #545 | 6.3 TCR |
| NAT-TCR | 2123 - South Jordan | 6.3 TCR |
| NAT-TCR | 0888 - Victoria | 6.3 TCR |
| NAT-SIZE | 106-George West | 42 FTE |
| NAT-SIZE | NFI Interactive Logistics LLC-4330 20th Street | 42 FTE |
| NAT-SIZE | Northern Contours Veneer | 42 FTE |
| NAT-SIZE | Savare Specialty Adhesives LLC | 42 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.