Accident: Robinson R44
Dec 14, 2019 · San Antonio, TX
NTSB numberERA20LA054Event id20191216X01351
- 0
- Fatalities
- 0
- Serious injuries
- 3
- Minor injuries
- 0
- Uninjured
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: National Transportation Safety Board. Record last changed Oct 28, 2026, 10:54 UTC.
Aircraft involved
- Aircraft
- Robinson R44
- Registration
- N440AH
- Year built
- 2010
- Category
- Helicopter
- Damage
- Substantial
- Operating rules
- Part 91: general aviation
- Defining event
- Enroute Loss of engine power (partial)
Source: National Transportation Safety Board aviation accident database. Counts only; Voydar holds no names.
Nearest airports
Airports with a Voydar profile closest to the recorded position. Proximity only.
- Stinson Municipal Airport (SSF)2 nm (5 km) south
- Lackland Air Force Base (SKF)5 nm (10 km) west
- San Antonio International Airport (SAT)9 nm (17 km) north
This page restates the NTSB's public record. Injury figures are counts; Voydar does not hold or publish the names of anyone involved.