CEN10WA150 · Cessna 421 B
Cessna 421 B · Accident: loss of engine power (partial) en route
From Toncontín Airport (MHTG) to San Pedro Sula
Narrative check · The NTSB narrative appears to contradict this record's fatalities. Values are shown as recorded, not corrected; compare with the narrative.
Event
- NTSB case
- CEN10WA150
- 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
- Unknown · led by another country; figures from NTSB notifications
- API-reported fatalities
- 3 · all aircraft and ground Possible conflict
- 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 421 B
- Aircraft type
- Cessna 421
- 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
- TG-JYM
- Operator
- Corpreca
- Onboard fatalities
- Unknown
- Route
- From Toncontín Airport (MHTG), TegucigalpaTo San Pedro Sula
- 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
- Non-U.S., Non-Commercial
- 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 · climb to 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
- Loss of engine power (partial)
- 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
- Not determined › Not determined
Approximate · Coordinates from the NTSB case API, which marks them as estimated or does not say; no uncertainty radius is established.
NTSB narrative
On March 10, 2010, at 2006 coordinated universal time, a Cessna Aircraft Company 421B, Guatemalan registered TG-JYM, owned and operated by Copreca S.A., was destroyed when it impacted terrain near Toncontin International Airport (MHTG), Tegucigalpa, Honduras. A post impact fire ensued. Visual meteorological conditions prevailed at the time of the accident. The pilot and one passenger were fatally injured. The flight was originating at the time of the accident and was en route to Moral Ramon Villeda Airport, San Pedro Sula, Honduras.
The Honduran investigators reported that shortly after departure the pilot reported a mechanical problem and was returning to the airport when the airplane impacted terrain one mile to the west of the airport.
The accident investigation is under the jurisdiction and control of the Honduran government. This report is for informational purposes only and contains only information released by or obtained from the Honduran government. Further information pertaining to this accident may be obtained from:
SECRETARÌA DE OBRAS PÙBLICAS, TRANSPORTE Y VIVIENDA DIRECCIÓN GENERAL DE AERONAUTICA CIVIL Apartado Postal 30145 Tegucigalpa, M. D. C., Honduras, C. A.
Probable cause
This investigation is under the jurisdiction and control of the Honduran government.
Verbatim NTSB factual narrative and probable cause from the NTSB dataset
Sources
NTSB record CEN10WA150
- Event ID
- 20100311X50619
- Case number
- CEN10WA150
- 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: 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: bace1288e608b8b9cd1f47177240c731f9692a63bcbea0ca52354d725a5681de; retrieved 2026-09-13T20:42:11.279Z.