Monday, May 27, 2019

System / Component Malfunction / Failure (Non-Power): Cessna 337E Super Skymaster, N86507, accident occurred May 29, 2018 at DeKalb-Peachtree Airport (KPDK), Atlanta, Georgia

The National Transportation Safety Board did not travel to the scene of this accident.

Additional Participating Entity: 

Federal Aviation Administration / Flight Standards District Office; Atlanta, Georgia

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Atlanta, GA
Accident Number: ERA18LA176
Date & Time: 05/29/2018, 1345 EDT
Registration: N86507
Aircraft: CESSNA 337
Aircraft Damage: Substantial
Defining Event: Sys/Comp malf/fail (non-power)
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal 

On May 29, 2018, about 1345 eastern daylight time, a Cessna 337E, N86507, was substantially damaged during a gear-up landing at the DeKalb-Peachtree Airport (PDK), Atlanta, Georgia. The private pilot and the passenger were not injured. The airplane was co-owned and operated by the pilot as a Title 14 Code of Federal Regulations Part 91 personal flight. Visual meteorological conditions prevailed, and no flight plan was filed for the flight that departed North Perry Airport (HWO), Hollywood, Florida, about 0945.

The pilot stated that he was unable to extend the landing gear while on approach to the airport. He declared an emergency and flew north of the airport where he attempted to pump the landing gear down via the emergency gear-extension handle. The pilot was unable to pump the gear down and observed a large puddle of red hydraulic fluid on the floorboards near the hydraulic pump. The pilot realized that he would not be able to extend the gear and made a gear-up landing on runway 21R, which resulted in substantial damage to the lower fuselage.

A postaccident examination of the airplane revealed that when the emergency hydraulic pump actuator, located between the cockpit seats, was activated very little hydraulic resistance was noted when the emergency gear-extension handle was pumped. The hydraulic reservoir was nearly depleted. Further examination revealed that, as the emergency handle was activated, a stream of hydraulic fluid sprayed from the surface of the aluminum line connecting the emergency handle/pump to the electric hydraulic pump that was mounted under and behind the instrument panel of the pilot's side. The line was about 23 inches long. The plastic sheathing protecting the line was intact and removed to facilitate examination of the leaking area. There were no areas of line chafing noted on the line and no adjacent structure where chafing would occur. The leaking hydraulic line was removed and examined. A visual examination using 10x magnification revealed an area of corrosion and pitting on the aluminum surface. The affected area was about 0.75 inches long and covered about half the circumference of the tube.

The pilot held a private pilot certificate with a rating for airplane single-engine land. His last Federal Aviation Administration (FAA) second-class medical was issued on December 12, 2017.

Weather reported at the airport at 1359 included wind from 140° at 9 knots, visibility 10 miles, few clouds at 3,800 ft, scattered clouds at 4,900 ft, broken clouds at 6,000 ft, temperature 26° C, dew point 22° C, and an altimeter setting of 29.82 inHg.

Pilot Information

Certificate: Private
Age: 45, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 2 Without Waivers/Limitations
Last FAA Medical Exam: 12/12/2016
Occupational Pilot: No
Last Flight Review or Equivalent: 05/29/2018
Flight Time:  3087 hours (Total, all aircraft), 387 hours (Total, this make and model) 

Aircraft and Owner/Operator Information

Aircraft Make: CESSNA
Registration: N86507
Model/Series: 337 E
Aircraft Category: Airplane
Year of Manufacture: 1969
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 33701212
Landing Gear Type: Retractable - Tricycle
Seats: 6
Date/Type of Last Inspection: 06/01/2016, Annual
Certified Max Gross Wt.: 4440 lbs
Time Since Last Inspection:
Engines: 2 Reciprocating
Airframe Total Time: 1925.2 Hours as of last inspection
Engine Manufacturer: CONT MOTOR
ELT: Installed, not activated
Engine Model/Series: IO-360 SER
Registered Owner: On file
Rated Power: 210 hp
Operator: On file
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PDK, 998 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1359 EDT
Direction from Accident Site: 0°
Lowest Cloud Condition: Few / 3800 ft agl
Visibility:  10 Miles
Lowest Ceiling: Broken / 6000 ft agl
Visibility (RVR):
Wind Speed/Gusts: 9 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 140°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.82 inches Hg
Temperature/Dew Point: 26°C / 22°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Atlanta, GA (PDK)
Type of Flight Plan Filed: None
Destination: Atlanta, GA (PDK)
Type of Clearance: VFR
Departure Time:  EDT
Type of Airspace:Class D  

Airport Information

Airport: Dekalb-Peachtree (PDK)
Runway Surface Type: Asphalt
Airport Elevation: 998 ft
Runway Surface Condition: Dry
Runway Used: 21R
IFR Approach: None
Runway Length/Width: 3746 ft / 150 ft
VFR Approach/Landing: Full Stop

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 1 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude:  33.875556, -84.301944 (est)

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