KRUETZFELDT, Daniel Allan
43 years old
Pilot, seated left front in plane Married to Kristin Kruetzfeldt
Employed as commercial pilot
KRUETZFELDT, Kristin Kay
44 years old
Seated left rear in plane
Married to Daniel Kruetzfeldt (Daniel and Kristen share three children together.)
CHANDLER, Claude Ernest
69 years old
Seated right front on plane
Retired from Sierra Conservation Center
Married to Mary Chandler, Step-father to Daniel Kruetzfeldt
CHANDLER, Mary Lynne
71 years old
Seated right rear in plane
Married to Claude Chandler
Mother of Daniel Kruetzfeldt
The National Transportation Safety Board traveled to the scene of this accident.
Additional Participating Entities:
Federal Aviation Administration / Flight Standards District Office; Fresno, California
Continental Motors; Mobile, Alabama
Textron Aviation; Wichita, Kansas
Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
http://registry.faa.gov/N6605B
Accident Number: WPR16FA152
Date & Time: 07/27/2016, 1645 PDT
Registration: N6605B
Aircraft: CESSNA 310B
Aircraft Damage: Substantial
Defining Event: Loss of control in flight
Injuries: 4 Fatal
Flight Conducted Under: Part 91: General Aviation - Personal
On July 27, 2016, about 1645 Pacific daylight time, a Cessna 310B multi-engine airplane, N6605B, sustained substantial damage following a loss of control during takeoff at Columbia Airport (O22), Columbia, California. The airline transport pilot and three passengers sustained fatal injuries. The airplane was registered to and operated by the pilot under the provisions of Title 14 Code of Federal Regulations Part 91 as a personal cross-country flight. Visual meteorological conditions prevailed and a flight plan was not filed. The flight was originating at the time of the accident, and the intended destination was Monterey, California.
One witness, who was working at the air tanker fire base at O22, stated that, when the airplane initiated its takeoff roll, it was behind him, and he did not see the actual takeoff. However, shortly after the airplane lifted off, a fellow worker pointed the airplane out to the witness, and he then saw it in level flight and drifting to the left of the runway. It looked as if the pilot was trying to abort the takeoff and land on the taxiway; the landing gear was down, and both engines appeared to be running. The witness reported that the airplane was "slightly leaning left and drifting hard to the left" when the left main landing gear touched down, followed by the left wing impacting the taxiway. The airplane then slid to the left, going off the taxiway and into a helipad area before bursting into flames.
A second witness, who was also working at the tanker fire base, reported that she observed the airplane perform its run up and then begin its takeoff roll. The witness stated that the Cessna lifted off, climbed about 50 ft, and then began to drift left over the grass between the taxiway and the runway. The witness mentioned that it was "obvious that there was something wrong" and that the pilot was "possibly attempting to land on the taxiway." The witness watched the airplane crash, come to rest, and catch fire.
A third witness, the pilot of an air tanker that was parked and being reloaded with fire retardant, saw the airplane taxi in front of him and into position for a full-length takeoff on runway 17. The witness stated that he noticed that the airplane's right engine was shut down. The witness watched the pilot restart the right engine and then begin his takeoff roll about 10 seconds later. Due to his position facing northwest, this witness was only able to watch the first 200 ft or so of the takeoff roll, which appeared uneventful.
A fourth witness observed the accident from his office, which was located about 835 ft west of and perpendicular to the centerline of runway 17 and about 1,300 ft northwest of the wreckage site. The witness reported that he initially observed the airplane about 40 to 50 ft above the runway taking off to the south. After a couple of seconds, he noticed that the airplane had slowed slightly, and he saw "the rear landing gear" come up. The nose of the airplane rose slightly, and the airplane "appeared to veer to the left (left wing dipped slightly)" followed by it slowing more as it began to lose altitude. The airplane impacted the ground, possibly with its left wing first, "but still pretty much a belly flop type landing." The airplane slid about 50 ft before it came to a stop and erupted into a "fireball."
Video recordings obtained from two video cameras mounted on an airport building were used to estimate the speed of the airplane. The airplane's estimated ground speed during the last 5 seconds of flight was 71±3 knots. For further details, refer to the NTSB Video Study in the docket for this investigation.
Pilot Information
Certificate: Airline Transport
Age: 43, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Instrument Airplane
Toxicology Performed: Yes
Medical Certification: Class 1 Without Waivers/Limitations
Last FAA Medical Exam: 05/18/2016
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time: 12000 hours (Total, all aircraft), 1 hours (Total, this make and model)
The pilot held an airline transport pilot certificate with airplane single-engine land, multi-engine land, and single-engine sea ratings, as well as a flight instructor certificate with single-engine, multi-engine, and instrument airplane ratings. He also held type ratings for CE-500, CE-560, and SA-227 airplanes. The pilot's personal flight logbooks were not located during the investigation. At the time of the accident, the pilot was employed as a pilot for an on-demand Part 91 Subpart K fractional ownership company.
The pilot was issued a first-class airman medical certificate on May 18, 2016, with no limitations noted. On the application for this medical certificate, the pilot reported a total flight time of 12,000 hours of which 200 hours were accumulated in the previous 6 months.
Aircraft and Owner/Operator Information
Aircraft Manufacturer: CESSNA
Registration: N6605B
Model/Series: 310B B
Aircraft Category: Airplane
Year of Manufacture: 1958
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 35705
Landing Gear Type: Retractable - Tricycle
Seats: 6
Date/Type of Last Inspection: Unknown
Certified Max Gross Wt.: 4698 lbs
Time Since Last Inspection:
Engines: 2 Reciprocating
Airframe Total Time:
Engine Manufacturer: CONT MOTOR
ELT: Installed, not activated
Engine Model/Series: IO-470 SERIES
Registered Owner: On file
Rated Power: 240 hp
Operator: On file
Operating Certificate(s) Held: None
The five-seat, low-wing, retractable-gear airplane, serial number 35705, was manufactured in 1958. It was powered by two fuel-injected Continental IO-470 engines, serial numbers 50164-5-M (right), and 51603-7-M (left), each equipped with a McCauley three-bladed, constant-speed propeller. During the investigation, the aircraft, engine, and propeller maintenance records were not located.
A review of FAA documents found that, according to the airplane's type certificate data sheet, the only engine approved to be installed on the aircraft was a Continental O-470-M engine. The type certificate data sheet also listed the approved propellers as either Hartzell HC82XF-2 or HC-A2XF-2.
The FAA supplemental type certificate (STC) database was searched for STCs that would allow for the installation of fuel injected IO-470 engines and/or McCauley propellers on the airplane. The search revealed STC SA2-1578 that was issued to Bendix Corporation for the installation of Teledyne Continental Motors O-470-BI or O-470-MI engines modified for fuel injection on Cessna 310, 310A, 310B, and 310C airplanes. The search also revealed STC SE2-1577 that was issued to Bendix Corporation for the installation of Bendix RS-5BD1 or RSA- 5AD1 fuel injection systems on Continental O-470-B, O-470-M, O-470-H, and O-470-N engines. Additionally, a search of the airplane's FAA airworthiness file found no records regarding the installation of these STCs on the airplane. Further, FAA Form 337 for the installation of these STCs as they are a major repair, were not found during the investigation. Also, an STC for the installation of the McCauley propellers was not located.
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KO22, 2121 ft msl
Observation Time: 2335 UTC
Distance from Accident Site: 0 Nautical Miles
Direction from Accident Site:
Lowest Cloud Condition: Clear
Temperature/Dew Point: 40°C / 3°C
Lowest Ceiling: None
Visibility: 10 Miles
Wind Speed/Gusts, Direction: 6 knots, 280°
Visibility (RVR):
Altimeter Setting: 29.92 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Columbia, CA (O22)
Type of Flight Plan Filed: None
Destination: Monterey, CA (MRY)
Type of Clearance: None
Departure Time: 1645 PDT
Type of Airspace: Class E
At 1655, the weather reporting facility located at O22 indicated wind from 290° at 7 knots, visibility 10 statute miles, temperature 40°C, dew point 3°C, and an altimeter setting of 29.92 inches of mercury. The airport elevation for O22 is 2,121 ft mean sea level. The density altitude at the time of the accident was calculated to be 5,483 ft.
Airport Information
Airport: COLUMBIA (O22)
Runway Surface Type: Asphalt
Airport Elevation: 2120 ft
Runway Surface Condition: Dry
Runway Used: 17
IFR Approach: None
Runway Length/Width: 4673 ft / 75 ft
VFR Approach/Landing: None
Wreckage and Impact Information
Crew Injuries: 1 Fatal
Aircraft Damage: Substantial
Passenger Injuries: 3 Fatal
Aircraft Fire: On-Ground
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 4 Fatal
Latitude, Longitude: 38.026944, -120.412778
The airplane came to rest about 3,775 ft from where the takeoff run commenced, and about 300 ft south of the extended centerline of the runway
The initial impact point was in a gravel area between the main ramp and a helicopter ramp. The wreckage path led from the initial impact point on a magnetic heading of 158° to the main wreckage, which was located just before the paved surface of the helicopter ramp. Two sets of slash marks were noted in the wreckage path consistent with strikes by the left and right propellers. The fuselage came to rest on a magnetic heading of 194°. As the airplane came to rest, the right engine nacelle stuck the rear of a parked fuel truck.
Postimpact fire consumed a majority of the fuselage and the wings inboard of the engine nacelles. The fuselage was consumed from the forward cabin bulkhead to aft of the cargo compartment. The empennage exhibited some heat damage but remained intact with minimal impact damage.
The outboard section of the right wing had minimal damage with one area of crushing of the leading edge about 2 ft inboard from the tip.
The left wing exhibited upward crushing from the tip inboard to the nacelle. The left and right fuel tip tanks both separated from the wings during the impact sequence. The left engine remained attached to its wing by a portion of the engine mount. The throttle, propeller, and mixture cable rod ends were observed attached to their respective control levers.
The left propeller hub had separated from the crankshaft flange and came to rest forward of the main wreckage. All three blades remained attached to the hub and exhibited chordwise scratches, gouging and curling.
The right engine remained attached to the wing at the engine mounts.
The right propeller remained attached to the crankshaft flange. All three blades remained attached to the hub and exhibited gouging, chordwise scratches, and curling.
All the flight controls were attached to their respective attach points. Flight control continuity was established from the flight control surfaces to the cockpit with the exception of a 1-ft section of unidentified cable that was embedded in molten metal from the postimpact fire.
The flaps were found in the fully retracted position.
The landing gear was found in the retracted position.
None of the cockpit instruments could be documented because of thermal damage. All engine controls were full forward in the cockpit and bent to the left
Both fuel selector valves were noted to be in the "main tank" position. The glass containers of both fuel strainers were intact; the fuel strainer screens exhibited thermal damage but appeared to be clear of debris. Fuel was noted in the auxiliary tanks.
The elevator trim tab was measured at 15° trim tab down. The rudder trim tab was streamlined. The aileron trim tab was measured at 5° tab down.
Both engines were shipped to the Continental Motors facility in Mobile, Alabama, for teardown examinations. Before the teardown of the left engine, crankshaft and camshaft continuity were confirmed during a cylinder thumb compression test. The teardown examination did not reveal any preaccident anomalies with any of the internal engine components. Disassembly of the fuel pump did not reveal any preaccident anomalies that would have precluded its ability to pump fuel. The throttle body/fuel metering unit and the fuel manifold valve/fuel injector nozzles were flow tested on the production test stands in the as-received condition without any adjustments. The magnetos were placed on a test stand, and both produced a spark from each of their ignition leads in firing order with no preaccident anomalies noted.
Before the teardown of the right engine, crankshaft and camshaft continuity could not be confirmed because the crankshaft would not rotate. The left side crankcase was fractured near the No. 5 main bearing, and the bearing was slightly displaced. The fracture appeared to be irregular in shape and fresh and was consistent with impact damage. There were no signs of operational distress on the No. 5 main bearing or No. 5 main crankshaft journal. The teardown examination did not reveal any signs of pre-accident operational distress. Due to thermal damage sustained by the fuel system components, teardown inspections of these components were conducted; no preaccident anomalies were noted with any of the components. The magnetos were placed on a test stand, and both produced a spark from each of their ignition leads in firing order with no preaccident anomalies noted.
Medical And Pathological Information
The Tuolumne County Office of the Coroner, Sonora, California, conducted an autopsy on the pilot. The medical examiner determined that the cause of death was asphyxia due to inhalation of smoke and fumes.
The FAA's Bioaeronautical Sciences Research Laboratory, Oklahoma City, Oklahoma, performed toxicology tests on the pilot. According to the toxicology report, a 34% concentration of carbon monoxide was detected in blood, and 1.96 us/ml cyanide was detected in blood. No ethanol or drugs were detected by the testing. Carbon monoxide and cyanide in the blood can result from inhalation of smoke and fumes during a fire.
Tests And Research
Engine Modification
According to a Federal Aviation Administration airworthiness inspector assigned to this accident who examined both engines at the accident site, the inspector reported that both O-470M engine's fuel system had been modified by removal of OEM Bendix PSD-5C pressure carburetors, and installation of TCM continuous flow fuel injection systems. Engine TCDS E273 allows this mod under note 6, [which] requires re-marking the data plates as O-470M(CI). This re-identification was not found on the data plates of either engine. The Cessna 310B TCDS 3A10 shows only the O-470M as the only approved engine and does not include the O-470M(CI). The Continental Continuous Flow fuel injection system Drawing Eq. No. 5580 requires that the engine driven pump be replaced with one of a higher pressure rating than the OEM Bendix pressure carburetor requires. This would necessitate that the airframe mounted fuel boost pumps would require replacement with later model pumps that delivered a higher pressure rating required for later model C310 aircraft equipped with TCM continuous flow fuel Injection. This aircraft would require a 337 field approval for such conversion and installation of O-470(CI) continuous flow engines in this aircraft. Records revealed no such Field Approval 337 forms on file for such an alteration. Additionally, as there were no maintenance records located during the investigation, it could not be determined when or by whom the engine modifications were performed.
Performance Data
During the investigation, it was reported by the FAA's Aircraft Certification Office, Atlanta, Georgia, that after an exhaustive search for documentation relative to the airplane's revised performance data, which would have been published subsequent to the approval of the fuel injection system modification, that documentation could not be located.
NTSB Identification: WPR16FA152
14 CFR Part 91: General Aviation
Accident occurred Wednesday, July 27, 2016 in Columbia, CA
Aircraft: CESSNA 310B, registration: N6605B
Injuries: 4 Fatal.
This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
On July 27, 2016, about 1645 Pacific daylight time, a twin-engine Cessna 310B airplane, N6605B, sustained substantial damage following a loss of control during takeoff at the Columbia Airport (O22), Columbia, California. The pilot and three passengers sustained fatal injuries. The airplane was being operated by the pilot as a personal cross-country flight under the provisions of Title 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed and no FAA flight plan was filed.
Witnesses stated that they saw the airplane taxi onto runway 17 for departure. During the initial climb, about 40 feet above ground level, the airplane stopped climbing and started drifting to the left. The witnesses said that the airplane then descended and impacted off the left side of the runway near the general aviation ramp and immediately burst into flames.
The initial point of impact was located at the southwest corner of the airport parking ramp, just off the paved surface. From the initial point of impact, the airplane traveled on a 172 degree magnetic bearing about 250 feet before coming to rest at the north edge of the helicopter parking area. All major components of the airplane were located in the debris path. A majority of the airplane fuselage was consumed by the post-impact fire.
The airplane was powered by two Continental Motors O-470 engines, that had been modified by the addition of a fuel injection system. A detailed examination of the engines are pending.
Columbia, CA — Tuolumne County Sheriff’s officials have released the names of the four victims who died in the crash landing at Columbia Airport now that all family members have been notified of the tragic situation.
As first reported here, around 4:45 p.m. on Wednesday the private plane, a Cessna, crashed and caught on fire with the flames spreading to nearby vegetation. The National Transportation Safety Board is heading the investigation into what caused the aircraft to crash.
The sheriff’s office reports the deceased were two married couples who were positively identified through dental records. They are:
KRUETZFELDT, Daniel Allan
43 years old
Pilot, seated left front in plane Married to Kristin Kruetzfeldt
Employed as commercial pilot
KRUETZFELDT, Kristin Kay
44 years old
Seated left rear in plane
Married to Daniel Kruetzfeldt (Daniel and Kristen share three children together.)
CHANDLER, Claude Ernest
69 years old
Seated right front on plane
Retired from Sierra Conservation Center
Married to Mary Chandler, Step-father to Daniel Kruetzfeldt
CHANDLER, Mary Lynne
71 years old
Seated right rear in plane
Married to Claude Chandler
Mother of Daniel Kruetzfeldt
Sheriff’s officials report both couples lived in Tuolumne County; the Kruetzfeldts in Sonora; the Chandlers outside of Tuolumne City.
Daniel Kruetzfeldt, pilot of the 1958 Cessna 310B that crashed during landing at the Columbia airport, was with his wife, Kristin Kruetzfeldt; mother, Mary Chandler; and stepfather, Claude Chandler. All died at the scene after the plane veered off the runway into vegetation and caught fire.
Mary Chandler’s brother, Tom Parrington, identified the victims Thursday.
He didn’t know where they’d gone Wednesday, but said Daniel Kruetzfeldt was a professional pilot who had worked for the corporate jet charter Net Jets for at least 20 years.
Parrington said his 43-year-old nephew graduated from Sonora High School and had had his pilot’s license since graduating from college at San Jose State University.
Mary Chandler was Parrington’s only sister. She had one other son, Keith Kruetzfeldt, who could not be reached for comment.
“We were a small family and this wiped out about a third (of it),” Parrington said. “I was fortunate to have (Mary) join me on a hike just two weeks ago.”
Mary Chandler, 72, loved the outdoors.
“She always maintained herself very well; she was slim and athletic,” Parrington said. “She could hike 10 miles with no problem at all.”
She and husband Claude Chandler, 69, enjoyed backpacking and camping. Claude Chandler was an expert fisherman, Parrington said.
He said his sister raised sheep and had a “small herd of geriatric llama,” which she sometimes brought on backpacking trips to haul their equipment.
Parrington said Mary Chandler was an excellent wood carver who carved life-size animals. She’d been perfecting her craft for 25 years and had her work on exhibit in Tuolumne and Calaveras counties.
Mary and Claude Chandler had been married nine years. It was a second marriage for both.
Parrington declined to comment about Claude Chandler and Kristin Kruetzfeldt, instead deferring to their close family members, who could not be reached for comment.
Members of the National Transportation Safety Board were at the Columbia Airport on Thursday to investigate the crash.
Witnesses reported seeing the plane coming in to the airport from the north end of the runway, hitting wing first and making a sharp left off the runway and into a field of dry grass and rocks.
An average of 110 aircraft use the airport each day, according to information from the Federal Aviation Administration.
There is no air traffic control at the airport.
Ron and Nancy Hawke of Long Barn, who own a plane they keep at the airport, said when they fly they communicate with other pilots regarding their positions through a common traffic advisory frequency.
They were out flying Wednesday but had heard nothing of the crash until landing several hours after it occurred.
Story and video: http://www.modbee.com
A Cessna 310B airplane crashed at Columbia Airport on Wednesday afternoon, killing the four people on board, said authorities and a witness to the aftermath.
According to the Tuolumne County Sheriff’s Department, officials received the report of the crash at 4:45 p.m.
“The plane was completely engulfed, with surrounding vegetation involved,” the department said in a post on its Facebook page. “Emergency crews are on scene.”
Sgt. Andrea Benson, the department spokeswoman, added that the plane was coming in from the north, hit the runway, veered left and went into a field.
None of the people aboard have been identified, she said.
“There was no communication” between the airport and the aircraft, Benson said, “so we don’t know where they were coming from or where they were going.”
National Transportation Safety Board staff members will come from Colorado on Thursday to take over the investigation.
“We’re containing the scene tonight,” Benson said, and the runway has been kept open to help Cal Fire mop up.
Kye Gunn, an air-ambulance helicopter pilot based at the airport, said his crew was dispatched on a report of a possible patient but knew no more than that.
“We walked out the door, saw fire at the end of the runway” and realized right away it was a plane crash, he said.
He spoke with a National Guard helicopter pilot who saw the crash. The other pilot told him the plane hit wing first, banked hard and came right at him and his crew, who ran. Gunn added, “It came to rest at the back of our helicopter fuel truck. It was driven away so it wouldn’t catch fire.”
His crew quickly was told to stand down because the crash and fire were fatal, Gunn said.
“It turned into a couple-acre fire and caught some vehicles on fire,” he said. “By that time. Cal Fire, the Tuolumne sheriff and the CHP were all there, and local fire.”
Gunn provided the Federal Aviation Administration registry number for the plane, which shows it to be a 1958 Cessna 310B owned by a Sonora man. It was not immediately known if the owner was piloting the craft.
Story and video: http://www.modbee.com
COLUMBIA, California — Four people were killed when a small private plane crashed at a northern California airport.
The Tuolumne County Sheriff's Department said the aircraft had been trying to land on the runway in the town of Columbia but veered to the left.
The Cessna 310 was fully engulfed in flames when emergency crews arrived, according to authorities.
Investigators with the National Transportation Safety Board were due to arrive Thursday.
Source: http://www.nbcnews.com
At 4:45 PM, the Tuolumne County Sheriff's Office received a report of a plane crash at the Columbia Airport in Columbia.
The small private plane was coming from the north to land on the runway.
It is reported that the plane veered to left off of the runway and crashed.
The plane was completely engulfed in flames when emergency crews arrived on scene. There are four deceased victims.
The Coroner will be determining identification and notifying next of kin.
The National Transportation Safety Board out of Colorado, will be arriving Thursday to initiate the investigation.
There is no information as to where the plane was coming from or headed to.
This is a very tragic event and our hearts go out to the families of these victims.
- Tuolumne County Sheriff
October 11, 1998:
Biplane crashes without injuries Oakland An Oakland fire spokesman says a biplane pilot and two occupants of a tractor trailer escaped injury after the plane crashed and sent debris flying through the truck at Oakland International Airport.
Battalion Chief James Edwards said pilot Dan Kruetzfeldt was apparently flying low over the north field at about 2 p.m. Sunday in an attempt to scoop up an advertising banner when he crashed, sending a piece of the plane through both walls of the truck's trailer.
The pilot and an unidentified husband and wife from South San Francisco were transported to area hospitals where they were observed and released, said Edwards.
Edwards said the pilot was "alert, oriented and conscious" following the crash. The Federal Aviation Administration is investigating the cause of the crash and will release more information Tuesday, said an FAA spokesman in Los Angeles.
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