CEN17FA147 · Piper PA-28-180
Green Castle Aero Club Piper PA-28-180 · Accident: loss of control in flight while maneuvering
From Green Castle Airport (IA24) to Green Castle Airport (IA24)
Event
- NTSB case
- CEN17FA147
- 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
- API-reported fatalities
- 2 · all aircraft and ground
- 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
Piper PA-28-180
- Aircraft type
- Piper PA-28
- Category
- Airplane
- 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
- N9179J
- Operator
- Green Castle Aero Club
- Onboard fatalities
- Unknown
- Route
- From Green Castle Airport (IA24), Oxford, IATo Green Castle Airport (IA24), Oxford, IA
- Aircraft age
- About 51 years (built 1966)
- 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
- 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
- Destroyed
Cause areas
- Personnel issues › Action/decision
- Personnel issues › Psychological
- Personnel issues › Task performance
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
The private pilot had not flown in several years and was receiving instruction from a flight instructor. Radar data indicated that the pilots were performing ground reference maneuvers during the flight. The data showed that the airplane maintained an altitude of 3,400 ft mean sea level, about 2,600 ft above ground level, before it made a left turn and entered a rapid descent. A witness reported that he heard the engine popping and backfiring, and it appeared as if the airplane wasn't moving forward. According to the witness, the nose of the airplane then dropped, and the airplane entered a spiral and completed eight or nine rotations, before it entered a straight nose-down dive that continued to impact A postaccident examination of the airframe and engine did not reveal any anomalies consistent with a preimpact failure or malfunction. It is likely that the private pilot was practicing a stall from which he did not recover before the airplane entered a spin. In addition, had the instructor been appropriately monitoring the private pilot's actions he would have been able to provide remedial action to recover from the stall/spin.
Probable cause
The failure of the pilot receiving instruction to recover from the practice stall before the airplane entered a spin and the flight instructor's inadequate monitoring of the pilot receiving instruction and delayed remedial action to recover the airplane.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record CEN17FA147
- Event ID
- 20170407X85555
- Case number
- CEN17FA147
- 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. 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: 7bfbefe8f84fc52c7d12a94d6648c75849b2b57ea11f8f1f422b02d617af2125; retrieved 2026-09-15T06:00:58.194Z.