WPR25LA306 · Temco GC-1B
Temco GC-1B · Accident: loss of control on ground during takeoff
From an unrecorded airport to Grants Pass Airport (3S8)
Event
- NTSB case
- WPR25LA306
- 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
Temco GC-1B
- Aircraft type
- Temco GC-1
- 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
- N78316
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From not recordedTo Grants Pass Airport (3S8), Grants Pass, OR
- Aircraft age
- About 78 years (built 1947)
- 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
- Takeoff
- 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 on ground
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial
Cause areas
- Aircraft › Aircraft oper/perf/capability
- Environmental issues › Conditions/weather/phenomena
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
The pilot reported that as he prepared for takeoff in the tailwheel equipped airplane, he did not observe any movement of grass or trees due to wind. During the takeoff roll, the right wing rose suddenly, which the pilot counteracted with aileron inputs. The airplane bounced, and the right wing rose a second time, which the pilot counteracted. Subsequently, the airplane banked steeply to the left, exited the runway, and impacted the ground. The airplane sustained substantial damage to the fuselage, right aileron, and the elevator. Prior to taxiing to and departing runway 24, the pilot observed a windsock, which indicated the wind was from about 260° at 2 to 6 knots. The airport manager reported there was a 20 knot crosswind at the time of the accident. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Probable cause
The pilot’s failure to maintain control of the airplane during takeoff in crosswind conditions..
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record WPR25LA306
- Event ID
- 20251008201817
- Case number
- WPR25LA306
- 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, 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: 822e760ba54fb5530b9a64fbe45a313705cd1ef30f6b1cbc916ca57c0113d489; retrieved 2026-09-16T20:26:49.996Z.