Wednesday, July 13, 2022

Loss of Control in Flight: Piper PA-34-220T Seneca III, N4299C; accident occurred March 29, 2022 at Slidell Municipal Airport (KASD), St. Tammany Parish, Louisiana

Aviation Accident Final Report - National Transportation Safety Board

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

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Baton Rouge, Louisiana

Investigation Docket - National Transportation Safety Board:

Air Reldan Inc

Location: Slidell, Louisiana
Accident Number: CEN22LA162
Date and Time: March 29, 2022, 14:15 Local
Registration: N4299C
Aircraft: Piper PA-34-220T
Aircraft Damage: Substantial
Defining Event: Loss of control in flight
Injuries: 2 None
Flight Conducted Under: Part 91: General aviation - Instructional


The flight instructor reported that they were conducting a simulated single-engine approach in the multiengine airplane when the airplane began to yaw to the left. In an effort to regain directional control, he took control of the airplane from the student, and increased power on the left engine while simultaneously decreasing power on the right engine. Although both engines were still operating, he did not apply full power to both engines. The airplane impacted the ground, resulting in substantial damage to the fuselage. The pilot did not report any mechanical malfunctions or anomalies that would have precluded normal operation.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The flight instructor’s failure to adequately correct for a loss of directional control during a simulated single engine approach.

Personnel issues Aircraft control - Instructor/check pilot
Personnel issues Decision making/judgment - Instructor/check pilot
Personnel issues Incorrect action selection - Instructor/check pilot

Factual Information

History of Flight

Approach Loss of control in flight (Defining event)

Flight instructor Information

Certificate: Commercial; Flight instructor 
Age: 38
Airplane Rating(s): Single-engine land; Multi-engine land
Seat Occupied: Right
Other Aircraft Rating(s): None 
Restraint Used: 3-point
Instrument Rating(s): Airplane 
Second Pilot Present: Yes
Instructor Rating(s): Airplane multi-engine; Airplane single-engine; Instrument airplane
Toxicology Performed:
Medical Certification: Class 2 None
Last FAA Medical Exam: August 25, 2021
Occupational Pilot: Yes 
Last Flight Review or Equivalent: July 9, 2020
Flight Time: 1603 hours (Total, all aircraft), 1379 hours (Total, this make and model), 1501 hours (Pilot In Command, all aircraft), 266 hours (Last 90 days, all aircraft), 52 hours (Last 30 days, all aircraft), 2 hours (Last 24 hours, all aircraft)

Student pilot Information

Commercial Age: 48
Airplane Rating(s): Single-engine land 
Seat Occupied: Left
Other Aircraft Rating(s): None 
Restraint Used: 3-point
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): None 
Toxicology Performed:
Medical Certification: Class 1 With waivers/limitations 
Last FAA Medical Exam: May 3, 2021
Occupational Pilot: Yes 
Last Flight Review or Equivalent: November 16, 2021
Flight Time: 441 hours (Total, all aircraft), 6 hours (Total, this make and model), 338 hours (Pilot In Command, all aircraft), 14 hours (Last 90 days, all aircraft), 12 hours (Last 30 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Piper 
Registration: N4299C
Model/Series: PA-34-220T
Aircraft Category: Airplane
Year of Manufacture: 1983 
Amateur Built:
Airworthiness Certificate: Normal 
Serial Number: 34-8333086
Landing Gear Type: Retractable - Tricycle 
Seats: 7
Date/Type of Last Inspection: March 17, 2022 Annual 
Certified Max Gross Wt.: 4750 lbs
Time Since Last Inspection: 18.9 Hrs
Engines: 2 Reciprocating
Airframe Total Time: 11100 Hrs at time of accident 
Engine Manufacturer: Continental
ELT: C91A installed, not activated
Engine Model/Series: TSIO360KB
Registered Owner: 
Rated Power: 220 Horsepower
Operating Certificate(s) Held: On-demand air taxi (135), Commercial air tour (136), Pilot school (141), Certificate of authorization
or waiver (COA)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual (VMC)
Condition of Light: Day
Observation Facility, Elevation: KASD,25 ft msl 
Distance from Accident Site: 5 Nautical Miles
Observation Time: 14:53 Local
Direction from Accident Site: 334°
Lowest Cloud Condition: Scattered / 3900 ft AGL
Visibility: 10 miles
Lowest Ceiling: Visibility (RVR):
Wind Speed/Gusts: 19 knots / 24 knots
Turbulence Type Forecast/Actual:  /
Wind Direction: 180° 
Turbulence Severity Forecast/Actual:  /
Altimeter Setting: 30.01 inches Hg 
Temperature/Dew Point: 27°C / 17°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Slidell, LA
Type of Flight Plan Filed: None
Destination: Slidell, LA
Type of Clearance: None
Departure Time:
Type of Airspace: Class G

Airport Information

Airport: Slidell Municipal Airport KASD
Runway Surface Type: Asphalt
Airport Elevation: 28 ft msl
Runway Surface Condition: Dry
Runway Used: 18 
IFR Approach: Global positioning system; Practice
Runway Length/Width: 5002 ft / 100 ft 
VFR Approach/Landing: Full stop; Straight-in

Wreckage and Impact Information

Crew Injuries: 2 None
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries:
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 30.272472,-89.782554(est)

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