DFW08FA153 · Cessna 310Q
Cessna 310Q · Accident: controlled flight into terrain/object (CFIT) en route
From Yampa Valley Airport (HDN) to Northern Colorado Regional Airport (FNL)
Event
- NTSB case
- DFW08FA153
- 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
Cessna 310Q
- Aircraft type
- Cessna 310
- 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
- N8187Q
- Operator
- Levi Joseph Klapperich
- Onboard fatalities
- Unknown
- Route
- From Yampa Valley Airport (HDN), Hayden, COTo Northern Colorado Regional Airport (FNL), Fort Collins, CO
- Aircraft age
- Not recorded
- 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
- En route · cruise
- 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
- Controlled flight into terrain/object (CFIT)
- 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
- Environmental issues › Physical environment
- 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 commercial pilot departed on a cross-country flight over mountainous terrain in day, visual meteorological conditions. The pilot had filed a flight plan but it was never activated and an Alert Notification (ALNOT) was issued when the airplane did not reach its destination. The airplane struck trees in a shallow descent into slightly rising terrain at an elevation of 9,800 feet mean sea level, approximately 27 miles east of the departure airport. Examination of the airplane and both engines revealed no mechanical discrepancies. Postaccident toxicology testing was consistent with impairment of the pilot due to his use of marijuana within three hours of the accident. The Federal Aviation Administration was aware of multiple convictions of the pilot for alcohol-related offenses, but did not request any documentation of those convictions or additional evaluation prior to issuing the pilot a second-class medical certificate.
Probable cause
The pilot's failure to maintain clearance from mountainous terrain in day visual conditions. Contributing to the accident was the pilot's impairment due to marijuana and inadequate medical oversight of the pilot by the Federal Aviation Administration.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record DFW08FA153
- Event ID
- 20080605X00793
- Case number
- DFW08FA153
- 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. 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: f1450c836a41645e4c44c06d51efbf392b9cebcc7db3c7b9ee19943b97387683; retrieved 2026-09-13T19:06:05.861Z.