# NTSB CHI06CA001: Pyramid Aventura II, N9696K, Lake City, MI, October 4, 2005

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: October 4, 2005, 11:15 local (15:15 UTC)
- Place: Lake City, MI
- Coordinates: 44.361946, -85.207221
- Nearby events: https://openairdocs.org/map.md?lat=44.3619&lon=-85.2072&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 28, 2006
- Report: Approved by Office Director
- NTSB case key (mKey): 62795
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI06CA001
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/62795/pdf
- Page: https://openairdocs.org/ntsb/CHI06CA001

## Probable cause

The pilot's failure to obtain or maintain airspeed which resulted in the encountered stall/mush.  An additional cause was the pilot's failure to maintain clearance from trees during his precautionary landing.  The trees were a factor.

## Sequence of events

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

- Loss of control - in flight, emergency landing after takeoff
  - airspeed - not obtained/maintained, pilot in command (cause)
  - stall/mush - encountered, pilot in command (cause)
  - precautionary landing - initiated, pilot in command
- On ground/water collision with object, emergency landing after takeoff
  - clearance - not maintained, pilot in command (cause)
  - object - tree(s) (contributing factor)

## Analysis

The amateur-built airplane was damaged during a precautionary landing after takeoff.  The pilot stated that the airplane lifted off about 2/3 of the way down the 2,700 foot turf runway and reached an altitude of 80 to 100 feet upon reaching the end of the runway.  He stated that as he passed over the displaced threshold and a group of trees, the airplane started to descend.  He stated "the lift for the plane ceased".  He elected to land the airplane and struck a tree with the right wing.  A postaccident examination of the airplane, which included an engine run, failed to reveal any pre-impact anomalies.  About 20 minutes prior to the accident, the recorded winds 11 nautical miles west of the accident site were 200 degrees at 8 knots.

## Factual narrative

The amateur-built airplane was damaged during a precautionary landing after takeoff.  The pilot stated that the airplane lifted off about 2/3 of the way down the 2,700 foot turf runway and reached an altitude of 80 to 100 feet upon reaching the end of the runway.  He stated that as he passed over the displaced threshold and a group of trees, the airplane started to descend.  He stated "the lift for the plane ceased".  He elected to land the airplane and struck a tree with the right wing.  A postaccident examination of the airplane, which included an engine run, failed to reveal any pre-impact anomalies.  About 20 minutes prior to the accident, the recorded winds 11 nautical miles west of the accident site were 200 degrees at 8 knots.

This report is based on information received by the NTSB.  Additional details may be found in the NTSB's public docket for this case.  For further information, please contact the NTSB Office of Public Inquiries.

## Aircraft

- Registration: [N9696K](https://openairdocs.org/aircraft/N9696K), registered now, S/N AP2A0046 (OpenAirDocs)
- Reported make and model: Pyramid Aventura II
- Registry model: [Sarver Ronald DBA Pyramid Avn AVENTURA II](https://openairdocs.org/model/sarver-ronald-dba-pyramid-avn-aventura-ii) (registry code 05605T2) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: AP2A0046
- Engines: 2SI 70 70 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Dennis R. Daniels
- Airworthiness certificate: Special, Experimental (Special)
- Departed: Y91, Lake City, MI

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; injuries: none; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3; flight hours: 1,166 total, 0 in this make and model

## Weather

- Conditions: Visual (VMC), Day

## 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 20051004026499A](https://openairdocs.org/incident/20051004026499A), Oct 4, 2005: Sarver AVENTURAII, Lake City, MI, Substantial damage. (-23) This subject experimental aircraft was flown by the pilot [privacy data omitted] and with one passenger [privacy data omitted], also a pilot. The…

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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