NORTHROP GRUMMAN
401 E. HENDY AVE, SUNNYVALE, CA 94088 · NAICS 336411 Aircraft Manufacturing
Having inspection records is common for businesses in regulated industries. Data and methodology
Inspection records
Oct 20, 2025#348559816Oct 20, 2025OpenAccident (A) · Partial scope, SafetyOpen#348559816$50,5004 viol.4 violations$50,500 in penalties
Inspection #348559816
Dates
- Opened
- Oct 20, 2025
- Closing Conference Date
- Feb 3, 2026
- Closed
- Open
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 100
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 4
- Violation Types
- 2 serious, 2 other-than-serious
- Initial Penalties
- $50,500
- Penalties on Record
- $50,500
- Site Address
- 401 East Hindy Avenue, Sunnyvale, CA 94086
- Industry
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Violations
Violation list (4 of 4 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 542(A) Warning Signs | Other | 1 | 1 | $5,000 | $5,000 | - | - | |
| 01002 | 4300.29 OSHA citation code: 43000029 B03 | Other | 1 | 1 | $500 | $500 | Mar 3, 2026 | - | - |
| 02001 | 342(A) Reporting Work-Connected Fatalities and Serious Injuries | Serious | 1 | 2 | $22,500 | $22,500 | - | - | |
| 03001 | 3203(A)(7)(D) Injury and Illness Prevention Program | Serious | 2 | 2 | $22,500 | $22,500 | - | - |
Aug 7, 2013#315776468Aug 7, 2013Accident (A) · Partial scope, Safety#315776468$5,6203 viol.3 violations$5,620 in penalties
Inspection #315776468
Dates
- Opened
- Aug 7, 2013
- Closing Conference Date
- Nov 6, 2013
- Closed
- Dec 14, 2013
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 50,000
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 3
- Violation Types
- 1 serious, 2 other-than-serious
- Initial Penalties
- $5,620
- Penalties on Record
- $5,620
- Site Address
- 401 East Hendy Ave., Sunnyvale, CA 94088
- Industry
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Incident Investigation Summaries
Incident investigation summaries linked to this inspection through OSHA's accident and injury enforcement data. These summaries describe the reported incident. The enforcement outcome for the linked inspection is in the inspection details above.
Employee fractures thumb when caught by crane rope
Violations
Violation list (3 of 3 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 5021 Equipment over Three Tons Rated Capacity OSHA citation code: 5021 A01 | Other | 1 | 2 | $560 | $560 | Nov 12, 2013 | - | - |
| 01002 | 5022 Proof Load Test and Examination of Cranes and Their Accessory Gear OSHA citation code: 5022 A02 | Other | 1 | 2 | $560 | $560 | Nov 12, 2013 | - | - |
| 03001 | 3328 Machinery and Equipment OSHA citation code: 3328 B | Serious | 1 | 1 | $4,500 | $4,500 | Nov 12, 2013 | - | - |
Feb 29, 2008#119692960Feb 29, 2008Accident (A) · Partial scope, Safety#119692960$00 viol.0 violations$0 in penalties
Inspection #119692960
Dates
- Opened
- Feb 29, 2008
- Closing Conference Date
- Jun 3, 2008
- Closed
- Jun 3, 2008
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 1,100
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 336611 Ship Building and Repairing
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Incident Investigation Summaries
Incident investigation summaries linked to this inspection through OSHA's accident and injury enforcement data. These summaries describe the reported incident. The enforcement outcome for the linked inspection is in the inspection details above.
Employee suffers burns while carbon arc welding
Sep 19, 2007#311154900Sep 19, 2007Accident (A) · Partial scope, Safety#311154900$00 viol.0 violations$0 in penalties
Inspection #311154900
Dates
- Opened
- Sep 19, 2007
- Closing Conference Date
- Nov 28, 2007
- Closed
- Nov 28, 2007
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 100
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Incident Investigation Summaries
Incident investigation summaries linked to this inspection through OSHA's accident and injury enforcement data. These summaries describe the reported incident. The enforcement outcome for the linked inspection is in the inspection details above.
Employee gets fractured foot from falling shelf
Aug 18, 2006#309896777Aug 18, 2006Accident (A) · Partial scope, Safety#309896777$02 viol.2 violations$0 in penalties
Inspection #309896777
Dates
- Opened
- Aug 18, 2006
- Closing Conference Date
- Nov 13, 2006
- Contested
- Dec 11, 2006
- Final Order
- Sep 4, 2008
- Closed
- Sep 4, 2008
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 100
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 2
- Violation Types
- 1 serious, 1 other-than-serious
- Initial Penalties
- $18,560
- Penalties on Record
- $0
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 332510 Hardware Manufacturing
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Incident Investigation Summaries
Incident investigation summaries linked to this inspection through OSHA's accident and injury enforcement data. These summaries describe the reported incident. The enforcement outcome for the linked inspection is in the inspection details above.
Employee is injured when struck by grinding wheel fragment
Violations
Violation list (2 of 2 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 3328 Machinery and Equipment OSHA citation code: 3328 A | Other | 1 | 1 | $560 | $0 | Dec 18, 2006 | Dec 11, 2006 | Sep 4, 2008 |
| 02001 | 3328 Machinery and Equipment OSHA citation code: 3328 E | Serious | 1 | 1 | $18,000 | $0 | Dec 18, 2006 | Dec 11, 2006 | Sep 4, 2008 |
Jun 16, 2006#309895878Jun 16, 2006Accident (A) · Partial scope, Safety#309895878$1,5001 viol.1 violation$1,500 in penalties
Inspection #309895878
Dates
- Opened
- Jun 16, 2006
- Closing Conference Date
- Sep 28, 2006
- Contested
- Oct 19, 2006
- Final Order
- Oct 12, 2007
- Closed
- Oct 23, 2008
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 1,100
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 1
- Violation Types
- 1 other-than-serious
- Initial Penalties
- $18,000
- Penalties on Record
- $1,500
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Violations
Violation list (1 of 1 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 3384 Hand Protection OSHA citation code: 3384 B | Other | 1 | 1 | $18,000 | $1,500 | Oct 31, 2006 | Oct 19, 2006 | Oct 12, 2007 |
Nov 16, 2005#125568303Nov 16, 2005Complaint (B) · Partial scope, Health#125568303$00 viol.0 violations$0 in penalties
Inspection #125568303
Dates
- Opened
- Nov 16, 2005
- Closing Conference Date
- Nov 21, 2006
- Closed
- Nov 21, 2006
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 1,100
- Related Activity
- 1 complaint
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 336411 Aircraft Manufacturing
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Sep 16, 2003#119692382Sep 16, 2003Complaint (B) · Partial scope, Health#119692382$00 viol.0 violations$0 in penalties
Inspection #119692382
Dates
- Opened
- Sep 16, 2003
- Closing Conference Date
- Mar 11, 2004
- Closed
- Mar 11, 2004
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 1,000
- Related Activity
- 2 complaints
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Feb 6, 2003#119690857Feb 6, 2003Accident (A) · Partial scope, Safety#119690857$3001 viol.1 violation$300 in penalties
Inspection #119690857
Dates
- Opened
- Feb 6, 2003
- Closing Conference Date
- May 20, 2003
- Closed
- Feb 27, 2006
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Yes
- Number of Employees
- 1,000
- Related Activity
- 1 accident
Violations and Penalties
- Total Violations
- 1
- Violation Types
- 1 other-than-serious
- Initial Penalties
- $300
- Penalties on Record
- $300
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
Accident Inspection: This inspection record is categorized as an accident inspection in the U.S. Department of Labor OSHA enforcement data. Employers must report work-related fatalities within 8 hours, and work-related inpatient hospitalizations, amputations, or losses of an eye within 24 hours. An accident-related inspection does not by itself determine fault.
Incident Investigation Summaries
Incident investigation summaries linked to this inspection through OSHA's accident and injury enforcement data. These summaries describe the reported incident. The enforcement outcome for the linked inspection is in the inspection details above.
Employee injured when struck by steel plate
Violations
Violation list (1 of 1 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 342 Reporting Work-Connected Fatalities and Serious Injuries OSHA citation code: 342 A | Other | 1 | 1 | $300 | $300 | Jun 11, 2003 | - | - |
Jan 29, 2003#125565382Jan 29, 2003Complaint (B) · No Inspection scope, Health#125565382$00 viol.0 violations$0 in penalties
Inspection #125565382
Dates
- Opened
- Jan 29, 2003
- Closing Conference Date
- Jan 29, 2003
- Closed
- Mar 20, 2003
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- Not recorded
- Number of Employees
- Not recorded
- Related Activity
- 1 complaint
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- 401 E. Hendy Ave, Sunnyvale, CA 94088
- Industry
- 336411 Aircraft Manufacturing
Complaint Inspection: This inspection record is categorized as a complaint inspection in the DOL OSHA enforcement data. OSHA can open complaint-driven inspections after receiving safety or health complaints from workers or their representatives.
Penalty amounts may differ from final amounts after settlement or judicial review. How to read these records
About these records
A company page groups inspections with the same normalized employer name, city and state; it is not a legal-entity identifier (how pages are grouped).
This page displays public OSHA enforcement data. Status text follows the DOL inspection record first and may include citation-level context when the inspection feed and citation records are out of sync. Penalty amounts shown reflect the latest penalty amounts on record in the DOL database and may differ from initial assessments or final amounts. This is not an official OSHA resource.
OSHA's public enforcement data does not publish a "guilty" or "not guilty" field for inspections. The closest outcome fields available are the citation counts, penalty amounts, contest dates, final-order dates, and the inspection close date shown on this page. How to interpret these status fields. How initial and current penalties are recorded.
OSHA may publish multiple citation rows in the same inspection with the same standard and penalty fields. Separate rows can still differ in OSHA metadata such as citation identifier, recorded instance count, exposed workers, or gravity value. Contest and Final Order columns show citation-level dates from OSHA's enforcement record. A dash means OSHA's record does not currently show that activity for the citation.
Source: U.S. Department of Labor OSHA incident investigation data (`osha_accident` + `osha_accident_injury`). Linked via `rel_insp_nr` to the inspection activity number (exact government key). Injury, body part, source and event values are OSHA's own codes. OSHA states that these fields are not coded according to the requirements under the Occupational Injury and Illness Classification System (OIICS). Only the values present in the OSHA record are listed; an incident with no value that resolves in OSHA's code table shows "Injury details not recorded". Where a record covers several people, each field lists every value recorded across them.
Understanding These Penalties
The maximum penalty for a serious violation in 2025 is $16,550 per violation. For willful violations, the range is $11,823 to $165,514. The current penalty column shows the latest amount on record in OSHA's database for each citation. When the current penalty differs from the initial penalty, OSHA's records show that the amount changed during the enforcement process, but this page does not determine the specific reason for each change. Penalty amounts are set by OSHA and adjusted annually for inflation.
11 inspections, 1998 to 2025. Each row is one inspection; point at or tap a row for its dates and totals.
Source: DOL OSHA enforcement data (inspections and violations), linked via activity_nr (exact government key).
Penalty changes: Amounts shown reflect what OSHA's enforcement record publishes. The reason for any change is not stated unless OSHA's record explicitly says so.
Short cases: When a case closed soon after it opened, the closed marker is drawn slightly to the right so both markers stay visible. Each row's card shows the exact dates.
Standards cited
Industry comparison
Transportation Equipment Manufacturing, 16,540 employers with OSHA inspections. Arithmetic from DOL records.