ERA21LA272 · Bell 47G-2A-1
Bell 47G-2A-1 · Accident: loss of control in flight while maneuvering
Narrative check · The NTSB narrative appears to contradict this record's damage. Values are shown as recorded, not corrected; compare with the narrative.
Event
- NTSB case
- ERA21LA272
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Completed
- Event fatalities
- Unknown
- Ground fatalities
- Unknown
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- General aviation
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Bell 47G-2A-1
- Aircraft type
- Bell 47
- Category
- Helicopter
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- N147AH
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From not recordedTo not recorded
- Aircraft age
- About 53 years (built 1968)
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Part 91: General Aviation
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Maneuvering · hover
- Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Loss of control in flight
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial Possible conflict
Cause areas
- Aircraft › Aircraft oper/perf/capability
- Personnel issues › Task performance
Approximate · Coordinates from the NTSB case API, which marks them as estimated or does not say; no uncertainty radius is established.
NTSB narrative
The non-helicopter rated pilot reported that he had departed from a stationary trailer and hover taxied in ground effect. Upon reaching a taxiway that was parallel to the runway, he lost control of the helicopter and it impacted the ground multiple times before coming to rest on its side. A post-crash fire ensued and the helicopter was destroyed. The pilot stated that he believed he lost control of the helicopter and it had been “running fine” before the accident.
Witnesses stated they observed the helicopter lift off from the transport trailer and that once the helicopter cleared the trailer, “it got real wobbly.” The main rotor blades struck the ground two or three times and while continuing forward, the right landing gear skid tube “hit the ground pretty hard”. They said, “the helicopter then bounced back into the air, spun to the right (clockwise) and landed on its left side.”
Probable cause
The pilot’s inflight loss of control while conducting a hovering maneuver.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record ERA21LA272
- Event ID
- 20210629103367
- Case number
- ERA21LA272
- Dataset
- full-current
- Source SHA-256
- 5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: investigation status, coordinates, cause areas. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: c04107f711c2be0ae064b4d4ab1484848944d242f69e7ae399199c1addddd42b; retrieved 2026-09-16T14:13:52.323Z.