Mission Mountain Helicopters LLC

Part 135 operator · designator 3MMA

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: LONE MOUNTAIN HELICOPTERS, LONE MOUNTAIN HELICOPTERS LLC, Mission Mountain Helicopters, Mission Mountain Helicopters LLC

Accident & enforcement record

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

NTSB accidents & incidents

Accident · 2019-04-30 Operator named in NTSB report
Aerospatiale AS350 (N350DL) No injuries Part 137

Operated by Mission Mountain Helicopters (per NTSB report)

The pilot's failure to maintain adequate clearance from ground equipment, which resulted in a tail rotor blade impact.

Source: NTSB case GAA19CA238
Accident · 2008-06-14 Operator named in NTSB report
Robinson R44 II (N272SW) Minor injury Part 91

Operated by Mission Mountain Helicopters (per NTSB report)

The student's inadvertent control interference, which the flight instructor was unable to overcome. A contributing factor was the instructor's poor crew coordination in his failure to verbally command the student to relinquish the controls and his inadequate supervision of the flight.

Source: NTSB case LAX08CA182

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
N272SWTEXTRON AVIATION INC 7002019Valid RegistrationOperator named in NTSB report
N350DLAMERICAN EUROCOPTER LLC AS350B32008Valid RegistrationMatched by certificate designatorOperator 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.

  • N272SW (TEXTRON AVIATION INC 700) — records 2008 · registered to STEDMAN WEST INTERESTS INC (owner ≠ operator)