# NTSB DEN86LA097: Mooney M20F, N3280F, Longmont, CO, March 10, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 10, 1986, 15:15 local (22:15 UTC)
- Place: Longmont, CO
- Coordinates: 40.169506, -105.110122 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.1695&lon=-105.1101&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16936
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA097
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16936/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA097

## Sequence of events

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

- Loss of control - in flight, landing - flare/touchdown
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

ACCORDING TO THE PLT, DURING THE FLARE TO TOUCHDOWN, THE ACFT STALLED AND THE LEFT WING CONTACTED THE GROUND ALONG WITH FOUR RUNWAY LIGHTS. THE PLT SAID THE ACCIDENT COULD HAVE BEEN PREVENTED BY MAINTAINING A HIGHER AIRSPEED ON APCH.

## Aircraft

- Registration: [N3280F](https://openairdocs.org/aircraft/N3280F), registered now, S/N 670373, built 1967 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 670373
- Airframe hours: 1752
- Engines: LYCOMING IO-360-A1A 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Orville G. Anderson, Jr.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 12, 1985, 72 hours before
- Departed: BJC, BROOMFIELD, CO
- Airport: 2V2, Longmont Municipal, runway 29, 4,200 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; private; airplane ratings: single-engine land, multi-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 908 total, 531 in this make and model, 800 as pilot in command, 26 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 54 °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 19860310007889A](https://openairdocs.org/incident/19860310007889A), Mar 10, 1986: Mooney M20F, Longmont, CO, Substantial damage. Stalled on level off for landing. Left wing and prop struck runway. Pilot then taxied to park. Altitude a factor.

## Other investigations on N3280F (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 DEN83LA225](https://openairdocs.org/ntsb/DEN83LA225), Sep 30, 1983: Mooney M20F (N3280F), La Junta, CO, substantial damage

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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