Monday, June 21, 2021

Abnormal Runway Contact: Cirrus SR22, N727HG; accident occurred June 21, 2019 at Groton-New London Airport (KGON), New London County, Connecticut

Aviation Accident Final Report - National Transportation Safety Board

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Enfield, Connecticut

Investigation Docket - National Transportation Safety Board:

Location: Groton, CT

Accident Number: GAA19CA379
Date & Time: 06/21/2019, 1130 EDT
Registration: N727HG
Aircraft: Cirrus SR22
Aircraft Damage: Substantial
Defining Event: Abnormal runway contact
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 


The pilot reported that, while landing with gusting winds, the airplane porpoised on touchdown, so he chose to go around and "shoot the approach again." During the second landing, the airplane porpoised on touchdown. The pilot regained control of the airplane and taxied to the ramp without further incident.

The airplane sustained substantial damage to the firewall.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The airport's automated weather observation station reported that, about 26 minutes after the accident, the wind was from 360° at 5 knots. The pilot reported that the wind was from 020° at 8 knots, gusting to 14 knots. The pilot was landing the airplane on runway 5. 

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's improper landing flare and failure to maintain pitch control, which resulted in a porpoised landing.


Aircraft Pitch control - Not attained/maintained
Aircraft Landing flare - Not attained/maintained
Personnel issues Aircraft control - Pilot

Factual Information

History of Flight

Landing Abnormal runway contact (Defining event)
Landing Attempted remediation/recovery

Pilot Information

Certificate: Private
Age: 48, Male 
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 11/01/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 03/26/2019
Flight Time:  (Estimated) 180 hours (Total, all aircraft), 80 hours (Total, this make and model), 104 hours (Pilot In Command, all aircraft), 25 hours (Last 90 days, all aircraft), 8 hours (Last 30 days, all aircraft), 4 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Cirrus
Registration: N727HG
Model/Series: SR22 Undesignated
Aircraft Category: Airplane
Year of Manufacture: 2017
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 4489
Landing Gear Type: Tricycle
Seats: 5
Date/Type of Last Inspection: 06/18/2019, Annual
Certified Max Gross Wt.: 3600 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 882.9 Hours as of last inspection
Engine Manufacturer: Continental
ELT: Installed, not activated
Engine Model/Series: IO 550K
Registered Owner: Hannibal Aviation Llc
Rated Power: 310 hp
Operator: Performance Flight
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KGON, 10 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1556 UTC
Direction from Accident Site: 234°
Lowest Cloud Condition: Few / 1200 ft agl
Visibility:  9 Miles
Lowest Ceiling: Broken / 4000 ft agl
Visibility (RVR):
Wind Speed/Gusts: 5 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 360°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.52 inches Hg
Temperature/Dew Point: 21°C / 17°C
Precipitation and Obscuration: Light - Rain
Departure Point: White Plains, NY (HPN)
Type of Flight Plan Filed: IFR
Destination: Groton, CT (GON)
Type of Clearance: IFR
Departure Time: 1030 EDT
Type of Airspace: Class D

Airport Information

Airport: Groton-New London (GON)
Runway Surface Type: Asphalt
Airport Elevation: 9 ft
Runway Surface Condition: Dry
Runway Used: 05
IFR Approach: Visual
Runway Length/Width: 5000 ft / 150 ft
VFR Approach/Landing: Full Stop

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A 
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 41.330000, -72.045278 (est)

No comments:

Post a Comment