# Accident 20110928022269A: Mitsubishi MU-2B-25, Kennesaw, GA, September 28, 2011 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: September 28, 2011, 17:15 local time - Place: Kennesaw, GA - Airport: Mccollum Field - Damage: Substantial damage - Phase of flight: Landing: Touchdown - Operating rules: General operating rules (Part 91) - Location: 33.0139° N, 84.6122° W: From the FAA - Nearby events: https://openairdocs.org/map.md?lat=33.0139&lon=-84.6122&mi=10 - Aircraft: N344KL, a cancelled registration (https://openairdocs.org/deregistered/N344KL-2012-06-15) (OpenAirDocs) - Registry model: Mitsubishi MU-2B-25 (registry code 5780409, https://openairdocs.org/model/mitsubishi-mu-2b-25) (OpenAirDocs) - Registry engine: AiResearch TPE331-5&6SER (registry code 01515, https://openairdocs.org/engine/airesearch-tpe331-5-6ser) (OpenAirDocs) - Reported make and model: MITSUBISHI MU-2B-25 - Reported engine: AIRESEARCH TPE331-5&6SER - People aboard: 3 - Fatal injuries: 0 - Other injuries: 0 - Pilot certificates: Airline transport, commercial pilot, flight instructor - Pilot flight hours: 11,100 total, 1,500 in this make and model, 40 in the last 90 days - NTSB investigation: [NTSB ERA11LA507](https://openairdocs.org/ntsb/ERA11LA507) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20110928022269A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. ON SEPTEMBER 28, 2011 AIRCRAFT N344KL SUSTAINED DAMAGE WHILE LANDING AT COBB COUNTY- MCCOLLUM FIELD DUE TO THE COLLAPSE OF THE NOSE GEAR. THIS OFFICE WAS CONTACTED ON THE SAME DATE AT APPROXIMATELY 1730 LOCAL BY THE LOCAL AUTHORITIES AND THE REGIONAL OPERATIONS CENTER (ROC). THE COORDINATION BETWEEN THE FSDO INSPECTOR AND NTSB LUKE DUTY PERSON AGREED TO RELEASE THE AIRCRAFT TO BE RECOVERED FROM RUNWAY 27. THE AIRCRAFT WAS RECOVERED BY TECHNICIANS FROM CORPORATE JET AND BROUGHT TO THE RAMP. ON SEPTEMBER 29 AT 1215PM INSPECTORS FROM THIS OFFICE ARRIVED TO INST THE AIRCRAFT AND INTERVIEW PIC ^PRIVACY DATA OMITTED^. ^PRIVACY DATA OMITTED^ STATEMENT IS AS FOLLOWS. "AT APPROXIMATELY 1715 LOCAL TIME WE ARRIVED AT KRYY FROM KHSV. I ENTERED RIGHT HAND TRAFFIC FOR RUNWAY 27 AND WAS INSTRUCTED TO FOLLOW A CESSNA ON A 1 MILE FINAL. I LOCATED THE TRAFFIC, RECEIVED LANDING CLEARANCE, AND COMPLETED THE BEFORE LANDING CHECKS PER THE MANUFACTURERS CHECKLIST. NO ABNORMALITIES WERE OBSERVED DURING THE LANDING GEAREXTENSION, AND 3 GREEN LIGHTS INDICATING ALL GEAR DOWN AND LOCKED WERE OBSERVED. AFTER A SMOOTH TOUCH DOWN ON THE MAIN LANDING GEAR, THE NOSE LANDING GEAR TOUCHED DOWN AND A SEVERE VIBRATION WAS NOTED MOMENTARILY BEFORE THE NOSE LANDING GEAR COLLAPSED. I BEGAN THE EMERGENCY SHUTDOWN AND EMERGENCY EVACUATION PROCEDURES AS THE AIRCRAFT SKIDDED TO A STOP. MY 2 PASSENGERS AND MYSELF EVACUATED THE AIRCRAFT INTO THE GRASS ABEAM THE RUNWAY. THE RUNWAY WAS CLOSED FOR APPROXIMATELY 1 HOUR BEFORE THE AIRCRAFT WAS MOVED."A CLOSE EXAMINATION OF THE AIRCRAFT REVEALED THAT THE AIRCRAFT NOSE AND STRUCTURE AFT OF THE PRIMARY BULKHEAD HAD SUFFERED EXTENSIVE DAMAGE DUE TO THE COLLAPSE OF THE NOSE GEAR. THE FORWARD STRUT ON THE RIGHT SIDE (PN 010A-39117-4) WAS PULLED OFF OF THE NOSE GEAR ATTACHMENT POINT. THE DRAG STRUT BEARING PN AVG 10 WAS STILL ATTACHED TO THE NOSE GEAR. THE LEFT AND RIGHT ENGINES WERE FEATHERED. THE CONTROLS IN THE AIRCRAFT WERE SECURED AS PER THE CHECK LIST AND THE ENGINES WERE SELECTED TO FEATHER. THE CHECK LIST AND AFM WERE IN THE AIRCRAFT AS REQUIRED. FLIGHT CONTROL CONTINUITY WAS VERIFIED AND FOUND CORRECT. THE FLAPS WERE STILL AT 20 DEGREES HOWEVER THE SELECTOR WAS UP. ACCORDING TO THE PIC HE DID NOT WAIT LONG ENOUGH TO GET THE FLAPS ALL THE WAY UP WHEN THE POWER WAS TURNED OFF. THE LANDING LIGHTS ON THE NOSE HAD ABRASION DAMAGE. THE PRESSURE VESSEL WAS COMPROMISED. THE FAILED COMPONENTS WERE IDENTIFIED AND WILL BE RE-INSPECTED WHEN THE AIRCRAFT IS SECURED IN A LOCATION TO WORK ON THE AIRCRAFT.THE INTERVIEW WITH THE PILOT IN COMMAND ^PRIVACY DATA OMITTED^ REVEALED THE FOLLOWING:-^PRIVACY DATA OMITTED^ HOLDS AN FAA ATP PILOT CERTIFICATE AND HAS 1500 HOURS IN THIS MAKE AND MODEL AIRCRAFT. THE SFAR CHECK RIDE WAS ACCOMPLISHED ON 07/27/2010 AND HE HAS 11100 HOURS TOTAL TIME. ^PRIVACY DATA OMITTED^ HOLDS A VALID FIRST CLASS MEDICAL CERTIFICATE THAT WAS ISSUED ON 08/18/2011.-^PRIVACY DATA OMITTED^ HAS LOGGED 40 HOURS IN THE LAST 90 DAYS AND 250 HOURS IN THE LAST 12 MONTHS. -AT THE TIME OF THE ACCIDENT THE WEATHER WAS VMC WITH WINDS CALM. -THE AIRCRAFT SUSTAINED EXTENSIVE STRUCTURAL DAMAGE AS IT SLID ON THE NOSE SECTION OF THE AIRCRAFT. THE AREA AFT OF THE NOSE PRESSURE BULKHEAD APPROXIMATELY 18 INCHES AFT WAS GROUND AWAY. THIS AREA IS STRUCTURAL AS WELL AS A PRESSURIZED AREA. -THE AIRCRAFT SUSTAINED DAMAGE TO THE NOSE SECTION DURING THE RECOVERY OPERATION ON EACH SIDE.-THE LAST 100 AND 200 HOUR INSPECTION WAS COMPLIED WITH ON JULY 11, 2011 BY ^PRIVACY DATA OMITTED^ (AP 2754400 AT 6186.1 TTL TIME AND HOBBS 945.6.-THE TOTAL TIME AT THE TIME OF THE ACCIDENT IS 6195 HOURS AND 954.3 HOBBS METER TIME.-ON 08-22- 2011 ADDITIONAL NOSE GEAR WORK WAS DONE INVOLVING THE REPLACEMENT OF THE NOSE LANDING GEAR RIGHT HAND SHORT BLOCK AND THE R/H DRAG LINK BOLT BY MIDSOUTH AVIATION. -THE PIC AND THE TWO PASSENGER WERE NOT INJURED DURING THE EVACUATION OF THE AIRCRAFT-A STATEMENT OF RECORD WAS GIVEN TO NTSB REPRESENTATIVE CORKY SMITH BY THE PIC ^ROBE ## 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 ERA11LA507](https://openairdocs.org/ntsb/ERA11LA507), Sep 28, 2011: Mitsubishi MU-2B-25 (N344KL), Atlanta, GA, substantial damage. Probable cause: The improper installation of the nose landing gear strut and subsequent collapse of the nose landing gear during landing. ## Other reports on N344KL (1) Matched to the same aircraft by N-number and date. - [Incident 20081118851259I](https://openairdocs.org/incident/20081118851259I), Nov 18, 2008: Mtsbsi MU2B26 (N344KL), Pittsburgh, PA, Minor damage. (-23) Pilot [privacy data omitted] stated that the departure airport 48I runway had a thin layer of snow and slush. He preflighted and cleaned the aircraft of… 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. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.