# Incident 20040511007979I: Cessna 172N, Denver, CO, May 11, 2004

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 11, 2004, 12:25 local time
- Place: Denver, CO
- Airport: Jeffco Airport
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 39.7392° N, 104.9847° W: Placed by OpenAirDocs: center of Denver, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7392&lon=-104.9847&mi=10
- Aircraft: N4978G, registered now (https://openairdocs.org/aircraft/N4978G) (OpenAirDocs)
- Registry model: Cessna 172N (registry code 2072434, https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Reported engine: LYC O320*
- People aboard: 2
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040511007979I

## Narrative

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

(-23) AIRCRAFT WAS BEING VECTORED TO A PRACTICE ILS APPROACH TO RUNWAY 29R AT JEFFERSON COUNTY AIRPORT. ONCE THE AIRCRAFT HAD BEEN CLEARED FOR APPROACH, THE PILOT REPORTED A KNOCKING NOISE IN THE ENGINE AND THE LOSS OF OIL PRESSURE. THE AIRCRAFT LANDED IN A FIELD 5 MILES EAST OF THE AIRPORT. THE AIRCRAFT MADE A GOOD LANDING WITH NO INJURIES AND NO DAMAGE TO THE AIRCRAFT. A CREW FROM MOUNTAIN AVIATION AT JEFFERSON COUNTY AIRPORT REMOVED THE WINGS FROM THE AIRCRAFT AND TRANSPORTED THE AIRCRAFT ON A TRAILER TO JEFFERSON COUNTY AIRPORT.

## Other reports on N4978G (1)

Matched to the same aircraft by N-number and date.

- [Incident 19890624038119I](https://openairdocs.org/incident/19890624038119I), Jun 24, 1989: Cessna 172N (N4978G), Fairmount, KS, Minor damage. Pilot flying in intense turbulence hail and lightning was unable to maintain altitude. Forced landing in a field.

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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