# Accident 20040417007049A: Cessna 150H, Boulder, CO, April 17, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 17, 2004, 19:20 local time
- Place: Boulder, CO
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 40.0394° N, 105.2258° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=40.0394&lon=-105.2258&mi=10
- Aircraft: N105DP, registered now (https://openairdocs.org/aircraft/N105DP) (OpenAirDocs)
- Registry model: Cessna 150H (registry code 2071818, https://openairdocs.org/model/cessna-150h) (OpenAirDocs)
- Registry engine: Continental 0-200 series (registry code 17020, https://openairdocs.org/engine/continental-0-200-series) (OpenAirDocs)
- Reported make and model: CESSNA 150H
- Reported engine: CONT O200A
- Fatal injuries: 0
- Pilot flight hours: 350 total, 8 in this make and model, 3 in the last 90 days
- NTSB investigation: [NTSB DEN04FA064](https://openairdocs.org/ntsb/DEN04FA064) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040417007049A

## Narrative

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

(-23) ON APRIL 17, 2004, AT 1920 MDT, CESSNA N105DP, A CESSNA 150H, WAS SUBSTANTIALLY DAMAGED WHEN IT IMPACTED INTO A LAKE, 1/2 MILE EAST OF THE BOULDER MUNICIPAL AIRPORT (1V5), BOULDER, COLORADO. THE LOCAL FLIGHT WAS BEING CONDUCTED UNDER THE PROVISIONS OF TITLE 14 CFR PART 91 WITHOUT A FLIGHT PLAN. IT WAS VFR AT THE TIME OF THE ACCIDENT. THE PILOT SAID THAT HE HAD JUST COMPLETED HIS SECOND TOUCH AND GO LANDING. HE WAS APPROXIMATELY 300 FT. AGL WHEN HIS ENGINE STARTED TO RUN ROUGH. THE PILOT SAID THAT HE "PUT A LITTLE MIXTURE IN" AND THE ENGINE STARTED TO RUN FINE FOR ABOUT 5 SECONDS. THEN THE ENGINE DIED. THE PILOT SAID THAT THE ONLY PLACE HE COULD LAND WAS IN THE LAKE. HE TOUCHED DOWN AND SKIMMED FOR A FEW SECONDS AND THEN NOSED OVER ON HIS BACK. THE PILOT SAID HE GOT OUT THROUGH THE WINDSCREEN, WHICH HAD BEEN SHATTERED ON IMPACT. HE SAID HE GOT TO THE TOP OF THE BOTTOM OF THE WING AND THEN SWAM TO SHORE. HE SAID THAT THE AIRPLANE SANK NOSE FIRST ABOUT 30 SECONDS LATER.

## 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 DEN04FA064](https://openairdocs.org/ntsb/DEN04FA064), Apr 18, 2004: Cessna 150H (N105DP), Boulder, CO, substantial damage. Probable cause: the failed magneto and the lack of suitable terrain (lake) for a forced landing.

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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