# NTSB DEN85LA158: Mooney M20K, N5764N, Lafayette, CO, June 8, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 8, 1985, 10:10 local (16:10 UTC)
- Place: Lafayette, CO
- Coordinates: 39.989315, -105.090171 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.9893&lon=-105.0902&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16698
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN85LA158
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16698/pdf
- Page: https://openairdocs.org/ntsb/DEN85LA158

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Overrun, landing - roll
  - airspeed - excessive, pilot in command (cause)
  - proper touchdown point - exceeded, pilot in command (cause)
  - flare - improper, pilot in command (cause)
  - go-around - not performed, pilot in command (cause)
  - planned approach - not attained, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command

## Analysis

ON JUNE 8, 1985, A MOONEY M20K, IMPACTED THE GROUND OFF THE RWY WHILE LANDING AT ALEXANDER DAWSON ARPT, LAFAYETTE, O. THE PLT SAID HE WAS ATTEMPTING TO MAKE A SHORT FIELD APCHTO THE PLT, THE APCH WAS HIGH AND FAST. THE ACFT LANDED, PORPOISED, AND DEPARTED THE END OF THE RWY. THE PLT WAS NOT INJURED.

## Aircraft

- Registration: [N5764N](https://openairdocs.org/deregistered/N5764N-1991-09-16), registration cancelled 1991-09-16, S/N 250830 (OpenAirDocs)
- Reported make and model: MOONEY M20K
- Registry model: [Mooney M20K](https://openairdocs.org/model/mooney-m20k) (registry code 5870220) (OpenAirDocs)
- Category: Airplane
- Serial number: 250830
- Airframe hours: 90
- Engines: CONTINENTAL TSIO-360 LB 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Denver Air Center
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 19, 1984, 90 hours before
- Departed: BJC, BROOMFIELD, CO
- Airport: Alexander Dawson

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 420 total, 43 in this make and model, 348 as pilot in command, 10 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 75 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19850608023529A](https://openairdocs.org/incident/19850608023529A), Jun 8, 1985: Mooney M20K, Lafayette, CO, Substantial damage. Bounced on fast long landing. Added some power then full power and finally aborted. Ran thru fence into swampy area

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.

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