# NTSB CHI07CA142: Canadian Car & Foundry Harvard MK IV, N7757, Peachtree City, GA, May 10, 2007

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: May 10, 2007, 14:50 local (18:50 UTC)
- Place: Peachtree City, GA
- Coordinates: 33.357223, -84.571945
- Nearby events: https://openairdocs.org/map.md?lat=33.3572&lon=-84.5719&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 27, 2007
- Report: Approved by Office Director
- NTSB case key (mKey): 65890
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI07CA142
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/65890/pdf
- Page: https://openairdocs.org/ntsb/CHI07CA142

## Probable cause

The pilot's failure to maintain directional control during the landing roll, resulting in a ground loop and subsequent left main gear collapse.

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
- Main gear collapsed, landing - roll
  - ground loop/swerve - encountered, pilot in command
  - landing gear,main gear - collapsed
  - terrain condition - runway
- Fire, standing - engine(s) not operating

## Analysis

The airplane was substantially damaged following a loss of directional control and subsequent ground loop upon landing. The pilot stated that he made a "good" wheel landing on runway 31 (5219 feet by 100 feet, asphalt), but while the tail wheel was still in the air the airplane started to veer to the left. He corrected to the right but could not re-correct to the left before the aircraft ground looped and the left main landing gear collapsed. After the airplane was shut down, a small fire was observed near the accessory section of the engine which was extinguished by the pilot and bystanders with fire extinguishers.

## Factual narrative

The airplane was substantially damaged following a loss of directional control and subsequent ground loop upon landing. The pilot stated that he made a "good" wheel landing on runway 31 (5219 feet by 100 feet, asphalt), but while the tail wheel was still in the air the airplane started to veer to the left. He corrected to the right but could not re-correct to the left before the aircraft ground looped and the left main landing gear collapsed. After the airplane was shut down, a small fire was observed near the accessory section of the engine which was extinguished by the pilot and bystanders with fire extinguishers.

## Aircraft

- Registration: [N7757](https://openairdocs.org/aircraft/N7757), registered now, S/N CCF4-171, built 1952 (OpenAirDocs)
- Reported make and model: Canadian Car & Foundry Harvard MK IV
- Registry model: [Canadian Car & Foundry HARVARD MK IV](https://openairdocs.org/model/canadian-car-foundry-harvard-mk-iv) (registry code 1922828) (OpenAirDocs)
- Registry engine: [Pratt & Whitney W-S1H&S3H](https://openairdocs.org/engine/pratt-whitney-w-s1h-s3h) (registry code 52012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: CCF4-171
- Airframe hours: 9212
- Engines: Pratt & Whitney W-S1H&S3H 600 horsepower reciprocating
- Damage: Substantial damage
- Fire: On-Ground
- Flight: Personal, Part 91
- Registered owner: Japanese Zero LLC
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Condition, February 1, 2007
- Departed: FFC, ATLANTA, GA
- Airport: FFC, Peachtree City-Falcon Field, runway 31, 5,219 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 58; injuries: none; commercial, airline transport; airplane ratings: single-engine land, multi-engine land; medical: class 2, with waivers/limitations; last flight review April 1, 2006; seat: front; flight hours: 15,904 total, 113 in this make and model, 12,000 as pilot in command, 12 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 290° at 4 knots, gusting 16
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point 55 °F
- Altimeter: 29.95 inHg
- Observed at: KFFC

## 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 20070510009029A](https://openairdocs.org/incident/20070510009029A), May 10, 2007: Namer HARVARDMK4, Atlanta, GA, Substantial damage. (-23) On 05/10/2007, the pilot [privacy data omitted] was flying aircraft, N7757 a canadian car & foundry, harvard mk iv, serial number CCF4-171 at Falcon…

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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