GAA18CA227 · Irvin Stephen D RUTAN LONG E Z
Irvin Stephen D RUTAN LONG E Z · Accident: runway excursion during landing
From Chino Airport (CNO) to Ryan Field (RYN)
Event
- NTSB case
- GAA18CA227
- 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
- 0 · 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
Irvin Stephen D RUTAN LONG E Z
- Aircraft type
- Irvin Stephen RUTAN LONG
- 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
- N8714S
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From Chino Airport (CNO), Chino, CATo Ryan Field (RYN), Tucson, AZ
- Aircraft age
- About 31 years (built 1987)
- 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
- Landing · landing roll
- 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
- Runway excursion
- Also codedOther events the NTSB coded in the sequence, such as a wire strike after a loss of power. Flight Findings uses them for its kinds of event. Glossary
- Tree(s)
- 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
- 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
According to the pilot in the retractable-nosewheel airplane, he landed about midfield on the 4,000-ft-long runway, and his approach speed was about 10 knots too fast. During the landing roll, the pilot started a right turn to exit his approaching taxiway and pressed the brakes hard because the ground speed was too fast. He reported that he heard a "small pop" and that he had "no braking control," and the airplane veered left. He released the brake pressure and retracted the nose landing gear to slow the airplane. The airplane skidded off the left side of the runway and collided with trees.
The airplane sustained substantial damage to the left canard and right wing.
A Federal Aviation Administration aviation safety inspector who examined the airplane after the accident reported that the right brake fluid line failed at the brake caliper. He asserted that the brake line failure was not a material failure, rather it was the result of the airplane's collision with trees.
Probable cause
The pilot’s excessive ground speed and loss of directional control while exiting the taxiway.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record GAA18CA227
- Event ID
- 20180424X14101
- Case number
- GAA18CA227
- 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: local date, investigation status, coordinates. Values present in the bulk record are kept.
- The date is the local date; the NTSB stores the UTC date 2018-04-22.
- API snapshot SHA-256: cbdcf184e934e5eaa35159494645c759f40d8b4a514596bb0a730d59ac6ac8c5; retrieved 2026-09-16T06:55:15.281Z.