# Accident 20050821029309A: Beech A36, Healdsburg, CA, August 21, 2005

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 21, 2005, 15:40 local time
- Place: Healdsburg, CA
- Airport: Healdsburg Airport
- Damage: Substantial damage
- Phase of flight: Takeoff Ground Roll
- Operating rules: General operating rules (Part 91)
- Location: 38.6533° N, 122.8992° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.6533&lon=-122.8992&mi=10
- Aircraft: N7226M, registered now (https://openairdocs.org/aircraft/N7226M) (OpenAirDocs)
- Registry model: Beech A36 (registry code 1151604, https://openairdocs.org/model/beech-a36) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: BEECH A36
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 70 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB LAX05CA274](https://openairdocs.org/ntsb/LAX05CA274) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20050821029309A

## Narrative

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

(-23) LEFT WING TIP STRUCK THE GROUND DURING ROTATION PHASE OF TAKE OFF. CONTACT WAS MADE ON THE BOTTOM LEFT WING TIP TANK DRAIN BUNG AND CONTACT CONTINUED AFT ON THE TIP TANK TO THE AFT TANK TIP. THE GROUND STRIKE STRIATIONS ON THE TIP TANK ARE ANGLED APPROXIMATELY 13 DEGREES IN NOSE NOSE LEFT YAW. UPPER LEFT WING SURFACE FROM THE TIP TANK ATTACH FLANGE AT THE MAIN SPAR AND CONTINUING IN A DIAGONAL DIRECTION TO THE WING TRAILING EDGE AT THE LEFT AILERON AND MID POINT IS HEAVILY CREASED. LOWER WING EXHIBITS SKIN WAVINESS BUT TO A MUCH LESS DEGREE. THE TRAILING EDGE SPAR BEGINNING AT THE MOST L/H OUTBOARD POINT AND CONTINUING INBOARD TO THE INBOARD AILERON HINGE IS DISTORTED, BOTH SPAR WEB AND LOWER AND UPPER SPAR CAP. THE MAIN SPAR OUTBOARD TIP AFT EDGE FLANGE WHICH ATTACHES THE AFT WING SECTION IS DISTORTED AT THE LAST OUTBOARD 6 INCHES. THE LAST FOUR OUTBOARD RIBS AND ASSOCIATED LONGERON WING STRINGERS ARE HEAVILY DISTORTED. LEFT WING TIP TANK ATTACH FLANGE IS DISTORTED AT THE MAIN SPAR AREA, TIP TANK IS HEAVILY DENTED AND HEAVILY ABRADED AT THE CONTACT POINTS.

## 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 LAX05CA274](https://openairdocs.org/ntsb/LAX05CA274), Aug 21, 2005: Beech A36 (N7226M), Healdsburg, CA, substantial damage. Probable cause: the pilot's failure to maintain lateral aircraft control during takeoff.

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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