USDA APHIS WS ATOC

Certificate type not established

Data confidence: Records are linked by certificate number, aircraft registration, or a name match that a reviewer has confirmed. Each record below shows how it was linked.

Also recorded as: USDA APHIS WS ATOC

Accident & enforcement record

Events that happened, regardless of the operator's own reporting. Each links to its public source.

NTSB accidents & incidents

Accident · 2025-02-16 Operator named in NTSB report
MD HELICOPTERS INC 369FF (N6100N) No injuries PUBU

Operated by USDA APHIS WS ATOC (per NTSB report)

The pilot’s failure to maintain adequate clearance from a tree during the low altitude operation.

Source: NTSB case CEN25LA098
Accident · 2021-02-05 Operator named in NTSB report
HUGHES OH-6A (N6639R) Serious injury PUBU

Operated by USDA APHIS WS ATOC (per NTSB report)

A partial loss of engine power due to a leak in the fuel cell outlet valve.

Source: NTSB case WPR21LA107
Accident · 2017-02-08 Operator named in NTSB report
HUGHES OH 6A (N6640Z) No injuries PUBU

Operated by USDA APHIS WS ATOC (per NTSB report)

The fuel truck driver’s failure to stop before impacting the helicopter’s main rotor blades.

Source: NTSB case GAA17CA135
Accident · 2014-04-29 Operator named in NTSB report
HUGHES OH 6 (N37929) Serious injury PUBU

Operated by USDA APHIS WS ATOC (per NTSB report)

A loss of engine power while the helicopter was hovering for reasons that could not be determined because postaccident examination of the engine and rotor drive system revealed no evidence of a mechanical malfunction or failure that would have precluded normal operation.

Source: NTSB case WPR14GA176

FAA enforcement actions

No FAA enforcement actions linked to this operator.

Maintenance disclosure history

No maintenance difficulty reports on file. Note: SDR filing is largely voluntary, so absence is not evidence of a clean maintenance history.

Linked aircraft

N-numberMake / modelYearStatusLink basis
N37929Operator named in NTSB report
N6100NMD HELICOPTERS INC 369FFValid RegistrationOperator named in NTSB report
N6639ROperator named in NTSB report
N6640ZHUGHES OH-6AValid RegistrationOperator named in NTSB report

Aircraft with earlier records under this certificate

Maintenance and accident records on this page also cover aircraft that are not in this operator's current FAA fleet list. Charter and management fleets change — owners switch management companies, sell, or export aircraft. Where the registry shows what became of a tail, it is noted below.

1 aircraft filed records under this certificate within the last two years but are not in the fleet list we hold — fleet lists can lag actual operations.

  • N6639R — records 2021 · no longer on the FAA registry
  • N6640Z (HUGHES OH-6A) — records 2017 · registered to USDA APHIS WS ATOC (owner ≠ operator)
  • N37929 — records 2014 · no longer on the FAA registry