Accident · 2019-12-14
What the record says
- Event date
- 2019-12-14
- Event type
- Accident
- Highest injury level
- Minor injury
- Aircraft
- Robinson R44 (N440AH)
- Operating rule
- Part 91
- Operator
- Alamo Helicopter Tours San Antonio, LLC Operator named in NTSB report
- Operated by (per NTSB report)
- Alamo Helicopter Tours San Antonio LLC
Probable cause
Maintenance personnel’s failure to complete all necessary steps of a service bulletin and subsequent failure to identify the loose lower actuator bearing support bracket during inspections, which resulted in the misalignment of the clutch actuator, resulted in a loss of belt tension on the main rotor drive system, and the subsequent forced landing.
Source: NTSB case ERA20LA054Flight crew
Certification and experience as recorded in the NTSB accident database for this event. The NTSB records these facts about the crew's flying history; GroundCheck shows them as filed, without names or identities.
| Role | Certificate | Instrument rating | Age | Medical | Flight hours |
|---|---|---|---|---|---|
| Pilot pilot flying | Flight instructor / Commercial | Helicopter | 33 | Class 2 (2019-06-18) | 1,391.3 total · 528.9 in this make/model · 763.5 as PIC · 179.3 last 90 days |
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.