# Accident 20191212018529A: Cessna 182P, Carlsbad, CA, December 12, 2019

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 12, 2019, 19:07 local time
- Place: Carlsbad, CA
- Airport: Mc Clellan-Palomar
- Damage: Substantial damage
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 33.1464° N, 117.3336° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.1464&lon=-117.3336&mi=10
- Aircraft: N182EF, registered now (https://openairdocs.org/aircraft/N182EF) (OpenAirDocs)
- Registry model: Cessna 182P (registry code 2075816, https://openairdocs.org/model/cessna-182p) (OpenAirDocs)
- Registry engine: Continental O-470 series (registry code 17026, https://openairdocs.org/engine/continental-o-470-series) (OpenAirDocs)
- Reported make and model: CESSNA 182P
- Reported engine: CONT MOTOR O-470 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 1,454 total, 1,400 in this make and model, 45 in the last 90 days
- NTSB investigation: [NTSB WPR20LA042](https://openairdocs.org/ntsb/WPR20LA042) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20191212018529A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT STATED THAT ON SLOW DESCENT INTO KCRQ, HIS ENGINE STARTED RUNNING ROUGH.  HE CHECKED MIXTURE AND THROTTLE SETTINGS.  HE THEN CHECKED HIS ENGINE MONITORING SYSTEM, ALL TEMPS NORMAL, AND CHECKED THE MAGNETOS.  NO IMPROVEMENT IN ENGINE PERFORMANCE.  A MINUTE LATER ENGINE ROUGHNESS INCREASED AND PILOT RADIOED KCRQ TOWER AND REPORTED ROUGH RUNNING ENGINE.  ALTERNATOR LOW VOLTAGE INDICATOR LIT UP.  PILOT RESET ALTERNATOR TWICE, INDICATOR STILL LIT, ENGINE IS STILL PRODUCING POWER BUT GETTING WORSE.  PILOT SAW TWO FLASH EXPLOSIONS FROM LEFT PROP AREA, LIGHT OIL MIST ENTERS CABIN, NONE ON WIND SCREEN.  ENGINE SHUTS DOWN COMPLETELY, PILOT LANDED ON SOUTHBOUND 5 FREEWAY.  PILOT TOUCHED DOWN HARD COLLAPSING THE NOSE GEAR.  PILOT AND PASSENGER SUSTAINED NO INJURIES.  AIRCRAFT HAD SIGNIFICANT DAMAGE.  NOSE GEAR WAS COMPLETELY COLLAPSED, PROPELLER WAS SIGNIFICANTLY DAMAGED, ENGINE HAD 2 HOLES IN THE TOP, UNABLE TO SEE BOTTOM OF ENGINE, FUSELAGE WAS BENT, AND FIRE WALL WAS BREACHED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR20LA042](https://openairdocs.org/ntsb/WPR20LA042), Dec 13, 2019: Cessna 182 (N182EF), Carlsbad, CA, substantial damage. Probable cause: The fatigue failure of the crankshaft. Contributing to the accident was the undocumented installation of the supercharger, which resulted in increased stress on the crankshaft.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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