CEN09LA170 · Beech B35
Beech B35 · Accident: loss of engine power (total) while maneuvering
From Alamogordo White Sands Regional Airport (ALM) to Alamogordo White Sands Regional Airport (ALM)
Event
- NTSB case
- CEN09LA170
- 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
Beech B35
- Aircraft type
- Beechcraft 35
- 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
- N8799A
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From Alamogordo White Sands Regional Airport (ALM), Alamogordo, NMTo Alamogordo White Sands Regional Airport (ALM), Alamogordo, NM
- 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
- 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 engine power (total)
- 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 systems
- Environmental issues › Physical environment
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
The pilot was receiving an "initial aircraft familiarization" from the designated pilot examiner. As they were returning to the airport, the engine lost power and the examiner noticed that the fuel pressure had dropped. The electric boost pump was switched on, and the examiner directed the pilot to start pumping the warbler pump. Fuel pressure rose slightly to 2.5 pounds per square inch and the engine restarted and ran for about 20 seconds. Gliding towards an open field, the examiner lowered the landing gear and raised the nose to clear some power lines. He felt "a snag" on the left main gear "which diverted our flight path slightly to the left." The airplane touched down and, during the landing roll, it struck a dirt berm that collapsed the nose gear and spun the airplane around. The right wing was bent and the left wing sustained spar damage when it struck mesquite bushes. The airplane was later examined by the pilot's mechanic. In an e-mail to the pilot, the mechanic reported finding "what appeared to be a dirt doppler nest in the right fuel tank vent," causing a vacuum and preventing fuel from flowing.
Probable cause
A loss of engine power due to fuel starvation as a result of a blockage in the right fuel tank vent.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record CEN09LA170
- Event ID
- 20090221X93659
- Case number
- CEN09LA170
- 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: e8025eb7892f4a34dbd07f5ed952e1d156556e82c4fe5ba4e751e67fee950370; retrieved 2026-09-15T10:46:05.627Z.