# Accident 20210718022039A: Beech 35-C33, Longmont, CO, July 18, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 18, 2021, 08:55 local time
- Place: Longmont, CO
- Airport: Vance Brand
- Damage: Substantial damage
- Phase of flight: Takeoff: Climb Out
- Operating rules: General operating rules (Part 91)
- Location: 40.1706° N, 105.1770° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=40.1706&lon=-105.1770&mi=10
- Aircraft: N18AR, registered now (https://openairdocs.org/aircraft/N18AR) (OpenAirDocs)
- Registry model: Beech 35-C33 (registry code 1151408, https://openairdocs.org/model/beech-35-c33) (OpenAirDocs)
- Registry engine: Continental I0-470 series (registry code 17027, https://openairdocs.org/engine/continental-i0-470-series) (OpenAirDocs)
- Reported make and model: BEECH 35-C33
- Reported engine: CONT MOTOR I0-470 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- Pilot certificates: Private pilot
- Pilot flight hours: 1,290 total
- NTSB investigation: [NTSB CEN21LA325](https://openairdocs.org/ntsb/CEN21LA325) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210718022039A

## Narrative

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

AIRCRAFT DEPARTED FROM LONGMONT AIRPORT (LMO) RUNWAY 29 AT 0840. AIRCRAFT LANDED GEAR UP IN FIELD NORTH WEST OF THE AIRPORT SHORTLY AFTER TAKEOFF.  AIRCRAFT SUSTAINED MAJOR DAMAGE.  PILOT AND PASSENGER SUSTAINED MINOR INJURIES. PILOT SATED AIRCRAFT RUNUP WAS NORMAL AND MIXTURE WAS LEANED FOR THE AIRPORT ALTITUDE.  AIRCRAFT ROTATED AT 85 MPH AND BEGAN CLIMBOUT. PILOT STATED THAT SHORTLY AFTER TAKEOFF THE AIRCRAFT DID NOT MAINTAIN POWER TO CLIMB. HE ELECTED TO LAND THE AIRCRAFT GEAR UP IN AN OPEN FIELD.

## 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 CEN21LA325](https://openairdocs.org/ntsb/CEN21LA325), Jul 18, 2021: Beech 35-C33 (N18AR), Longmont, CO, substantial damage. Probable cause: The airplane’s lack of climb performance after takeoff in high density altitude conditions for reasons that could not be determined based on the available evidence.

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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