# NTSB investigations, 2011, MI

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN12LA118](https://openairdocs.org/ntsb/CEN12LA118.md): Piper PA-32-260 · Elk Rapids, MI · Accident · Minor injuries · Limited investigation · Final report · Dec 31, 2011 · N997TB · Substantial damage
  > The loss of engine power due to the failure of the exhaust valve.
- [NTSB CEN12FA097](https://openairdocs.org/ntsb/CEN12FA097.md): Piper PA-32-260 · St. Ignace, MI · Accident · 2 fatal · Field investigation · Final report · Dec 4, 2011 · N33315 · Substantial damage
  > The pilot’s decision to initiate visual flight in instrument meteorological conditions and subsequent failure to maintain adequate altitude.
- [NTSB CEN12LA066](https://openairdocs.org/ntsb/CEN12LA066.md): Piaggio Aero Industries P180 · Flint, MI · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 2011 · N168SL · Substantial damage
  > The captain's failure to maintain directional control during landing with one engine inoperative. Contributing to the accident was an improperly installed clevis pin in the left engine power lever, the crew’s delay in accurately identifying their heading, and…
- [NTSB ENG12IA003](https://openairdocs.org/ntsb/ENG12IA003.md): Boeing 747-451 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Oct 23, 2011 · N661US · Minor damage
  > The penetration of turbine blade fragments through the rear turbine case, which punctured the No. 4 bearing oil pressure supply tube, allowing misted oil to contact the hot engine case and ignite the undercowl fire. Contributing to the incident was the…
- [NTSB CEN12LA014](https://openairdocs.org/ntsb/CEN12LA014.md): Peck Zodiac 601XL · Traverse City, MI · Accident · Serious injuries · Limited investigation · Final report · Oct 11, 2011 · N4595P · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN12LA013](https://openairdocs.org/ntsb/CEN12LA013.md): Wilhelm Calidus · Thompsonville, MI · Accident · No injuries · Limited investigation · Final report · Oct 7, 2011 · N455BW · Substantial damage
  > The pilot 's inability to maintain control of the gyrocraft during the landing roll for undetermined reasons.
- [NTSB CEN12FA010](https://openairdocs.org/ntsb/CEN12FA010.md): Brinkerhuff Gerald G Q200 · Holland, MI · Accident · 1 fatal · Field investigation · Final report · Oct 6, 2011 · N2935R · Substantial damage
  > The pilot failed to maintain sufficient altitude during the landing approach, which resulted in the airplane contacting an approach light. Contributing to the accident was the setting sun, which most likely obscured the pilot’s vision.
- [NTSB CEN11FA666](https://openairdocs.org/ntsb/CEN11FA666.md): Robinson Helicopter R44 · Curren, MI · Accident · 2 fatal · Field investigation · Final report · Sep 24, 2011 · N8324F · Substantial damage
  > The non-instrument-rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in controlled flight into trees and the ground. Contributing to the accident was the pilot's impairment from multiple drugs.
- [NTSB CEN11FA663](https://openairdocs.org/ntsb/CEN11FA663.md): Thorp T-18 · Plainwell, MI · Accident · 1 fatal · Field investigation · Final report · Sep 23, 2011 · N54WB · Substantial damage
  > The pilot did not maintain clearance from a semitrailer along the approach path.
- [NTSB CEN11LA651](https://openairdocs.org/ntsb/CEN11LA651.md): North American AT-6 · Nunica, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 2011 · N217RK · Substantial damage
  > The loss of engine power due to fuel starvation during climbout for undetermined reasons, because postaccident examination of the fuel system did not reveal any discrepancies that would have precluded normal engine operation. Contributing to the accident was…
- [NTSB CEN11LA642](https://openairdocs.org/ntsb/CEN11LA642.md): Piper PA16 · Muskegan, MI · Accident · No injuries · Limited investigation · Final report · Sep 11, 2011 · N5383H · Substantial damage
  > The pilot's loss of directional control during the takeoff roll and the flight instructor's inability to apply remedial action due to the opposite corrective control inputs by the pilot.
- [NTSB CEN11CA638](https://openairdocs.org/ntsb/CEN11CA638.md): Enstrom F-28F · Menominee, MI · Accident · No injuries · Data collection · Final report · Aug 29, 2011 · N228F · Substantial damage
  > The pilot's failure to maintain control of the helicopter during a hover.
- [NTSB CEN11CA604](https://openairdocs.org/ntsb/CEN11CA604.md): Cessna 172M · Plymouth, MI · Accident · No injuries · Data collection · Final report · Aug 29, 2011 · N172LD · Substantial damage
  > The pilot's failure to perform a go-around when the airplane was not in a position to make a safe landing and his excessive use of bank control during the landing attempt, which resulted in the wing striking the ground.
- [NTSB CEN11LA606](https://openairdocs.org/ntsb/CEN11LA606.md): Boeing A75N1(PT17) · Mt. Clemens, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 21, 2011 · N49739 · 2 aircraft · No damage
  > The wing walker’s decision to release his grip of the airplane during an attempted aerial transfer from airplane to helicopter before both aircraft achieved the proper relative positioning for the transfer.
- [NTSB CEN11LA585](https://openairdocs.org/ntsb/CEN11LA585.md): Aero Commander Callair A-9B · Marshall, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 21, 2011 · N7638V · Substantial damage
  > The towplane pilot's loss of control during an aerotow operation due to the glider pilot's inability to maintain a proper position behind the towplane while encountering turbulence on initial climb.
- [NTSB CEN11CA516](https://openairdocs.org/ntsb/CEN11CA516.md): Cessna 150F · Harbor Beach, MI · Accident · Serious injuries · Data collection · Final report · Jul 26, 2011 · N3050X · Substantial damage
  > The pilot's delay in using carburetor heat while operating in carburetor icing conditions, resulting in carburetor ice and subsequent partial loss of engine power.
- [NTSB CEN11CA518](https://openairdocs.org/ntsb/CEN11CA518.md): Cessna 180D · Oscoda, MI · Accident · No injuries · Data collection · Final report · Jul 24, 2011 · N6425X · Substantial damage
  > The pilot's failure to retract the landing gear before a water landing. Contributing to the accident was the pilot's failure to use a checklist.
- [NTSB CEN11CA496](https://openairdocs.org/ntsb/CEN11CA496.md): Cirrus SR20 · Battle Creek, MI · Accident · No injuries · Data collection · Final report · Jul 20, 2011 · N93TA · Substantial damage
  > The student pilot's improper flare which resulted in a hard landing.
- [NTSB CEN11CA498](https://openairdocs.org/ntsb/CEN11CA498.md): Piper J3C-65 · Williams Lake, MI · Accident · Serious injuries · Data collection · Final report · Jul 19, 2011 · N88000 · Substantial damage
  > A loss of control during approach due to the front seat passenger's belt buckle being wedged between the rear seat,the rudder pedal and floor board.
- [NTSB CEN11LA488](https://openairdocs.org/ntsb/CEN11LA488.md): Dixon Volksplane VP-1 · Jackson, MI · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2011 · N341MD · Substantial damage
  > A partial loss of engine power during initial climb after takeoff for undetermined reasons.
- [NTSB CEN11FA480](https://openairdocs.org/ntsb/CEN11FA480.md): Taylorcraft DCO-65 · Boyne City, MI · Accident · 1 fatal · Field investigation · Final report · Jul 16, 2011 · N50408 · Substantial damage
  > The pilot failed to maintain airplane control while maneuvering at low altitude, which resulted in a stall/spin and impact with the terrain.
- [NTSB CEN11LA481](https://openairdocs.org/ntsb/CEN11LA481.md): Degraw Rhino II · Jackson, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 15, 2011 · N122DG · Substantial damage
  > The pilot did not maintain adequate airspeed during the initial climb, which resulted in an aerodynamic stall.
- [NTSB CEN11LA459](https://openairdocs.org/ntsb/CEN11LA459.md): Wingtip To Wingtip Panzl S-330 · Battle Creek, MI · Accident · No injuries · Limited investigation · Final report · Jul 3, 2011 · N330JK · Substantial damage
  > The inadequate aileron hinge design, which resulted in the in-flight separation of the left aileron following a fatigue failure of the center hinge rod-end.
- [NTSB CEN11FA431](https://openairdocs.org/ntsb/CEN11FA431.md): Bosonetto Thorp T-18 · Howell, MI · Accident · 2 fatal · Field investigation · Final report · Jun 29, 2011 · N8AL · Substantial damage
  > The pilot's failure to maintain airplane control and airspeed during final approach, which resulted in an aerodynamic stall/spin at a low altitude.
- [NTSB CEN11LA419](https://openairdocs.org/ntsb/CEN11LA419.md): VanDenburg Pietenpol Air Camper · Gwinn, MI · Accident · No injuries · Limited investigation · Final report · Jun 25, 2011 · N16DV · Substantial damage
  > The pilot’s loss of directional control during the landing roll, which resulted in a ground loop.
- [NTSB CEN11FA417](https://openairdocs.org/ntsb/CEN11FA417.md): Beech A36 · Charlevoix, MI · Accident · 2 fatal · Field investigation · Final report · Jun 24, 2011 · N88MN · Substantial damage
  > The pilot's inadequate airspeed while maneuvering at low altitude, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's decision to not execute a missed approach in weather conditions below minimums.
- [NTSB CEN11LA365](https://openairdocs.org/ntsb/CEN11LA365.md): Boeing A75N1 (PT17) · Freemont, MI · Accident · Minor injuries · Limited investigation · Final report · May 27, 2011 · N60147 · Substantial damage
  > The pilot’s failure to attain a positive climb rate following takeoff for reasons that could not be determined because the propeller was not provided for further examination. Contributing to the accident was the pilot's impairment from alcohol.
- [NTSB CEN11LA368](https://openairdocs.org/ntsb/CEN11LA368.md): Cessna 152 · Ann Arbor, MI · Accident · Serious injuries · Limited investigation · Final report · May 25, 2011 · N222UM · No damage
  > The flight instructor’s failure to maintain clearance from the propeller when exiting the airplane. Contributing to the accident were the instructor’s decision not to shut down the engine before exiting the airplane and the operator’s lack of a policy…
- [NTSB CEN11CA362](https://openairdocs.org/ntsb/CEN11CA362.md): Beech B24R · Dowagiac, MI · Accident · No injuries · Data collection · Final report · May 11, 2011 · N9321S · Substantial damage
  > The flight instructor's failure to maintain an appropriate glide path and airspeed during the landing approach, which resulted in an aerodynamic stall.
- [NTSB CEN11CA276](https://openairdocs.org/ntsb/CEN11CA276.md): Cessna 182P · Troy, MI · Accident · No injuries · Data collection · Final report · Apr 10, 2011 · N1410S · Substantial damage
  > The pilot's inadequate compensation for wind conditions and subsequent loss of control.
- [NTSB CEN11IA264](https://openairdocs.org/ntsb/CEN11IA264.md): Bombardier CL-600-2B19 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Mar 30, 2011 · N8505Q · No damage
  > The mechanic's incomplete securing of all the wheel well bin's fasteners, which resulted in separation of the bin from the airplane.
- [NTSB CEN11FA253](https://openairdocs.org/ntsb/CEN11FA253.md): Piper PA46-350P · Monroe, MI · Accident · 3 fatal · Field investigation · Final report · Mar 29, 2011 · N619VH · Substantial damage
  > The pilot's demonstration of poor judgment by attempting a high-speed pass several feet above the runway and his subsequent failure to maintain clearance from the runway.
- [NTSB CEN11LA182](https://openairdocs.org/ntsb/CEN11LA182.md): Cessna 150L · Trenton, MI · Accident · No injuries · Limited investigation · Final report · Feb 12, 2011 · N6622G · Substantial damage
  > The loss of preload torque on a connecting rod nut and bolt, which precipitated a separation of the connecting rod from the engine's crankshaft and resulted in the total loss of engine power.
- [NTSB CEN11CA191](https://openairdocs.org/ntsb/CEN11CA191.md): Ercoupe 415-CD · Newaygo, MI · Accident · No injuries · Data collection · Final report · Jan 30, 2011 · N127G · Substantial damage
  > The pilot's loss of directional control during takeoff from a frozen lake.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE year(c."eventDate") = 2011
  AND c."eventStateOrRegion" = 'MI' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=MI&year=2011

---
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.