# Accident 19910501013889A: Cessna 421, Denver, CO, May 1, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 1, 1991, 06:00 local time
- Place: Denver, CO
- Airport: Centennial Airport
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 39.6400° N, 104.9897° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.6400&lon=-104.9897&mi=10
- Aircraft: N18DF, a cancelled registration (https://openairdocs.org/deregistered/N18DF-1991-08-09) (OpenAirDocs)
- Registry model: Cessna 421 (registry code 2076010, https://openairdocs.org/model/cessna-421) (OpenAirDocs)
- Reported make and model: CESSNA 421
- Reported engine: CONT GTSIO520D
- People aboard: 4
- Fatal injuries: 0
- Pilot flight hours: 9,600 total, 300 in this make and model, 220 in the last 90 days
- NTSB investigation: [NTSB DEN91LA066](https://openairdocs.org/ntsb/DEN91LA066) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910501013889A

## Narrative

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

LOST BOTH ENGINES ON INITIAL CLIMBOUT. COLLAPSED GEAR LANDING IN A FIELD. BOTH EXHAUST PIPES FAILED AT WELDS.

## 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 DEN91LA066](https://openairdocs.org/ntsb/DEN91LA066), May 1, 1991: Cessna 421 (N18DF), Englewood, CO, substantial damage. Probable cause: POWER LOSS ON BOTH ENGINES AS A RESULT OF EXHAUST SYSTEM FAILURE.

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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