# NTSB investigations, 2011: Landing gear collapse

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.

Page 1 of 3 · 101 cases

## Latest cases

- [NTSB ERA12LA117](https://openairdocs.org/ntsb/ERA12LA117.md): Piper PA-44-180 · Lawrenceville, GA · Accident · No injuries · Limited investigation · Final report · Dec 19, 2011 · N790GK · Substantial damage
  > The mechanic's improper installation and lubrication of the bushing on the right main landing gear truss assembly, which resulted in the landing gear not locking in the down position.
- [NTSB WPR12CA061](https://openairdocs.org/ntsb/WPR12CA061.md): Grumman AA5 · Furnace Creek, CA · Accident · No injuries · Data collection · Final report · Dec 10, 2011 · N28870 · Substantial damage
  > The pilot's improper landing flare, inadequate recovery from a bounced landing, and loss of directional control.
- [NTSB CEN12LA103](https://openairdocs.org/ntsb/CEN12LA103.md): Beech C23 · Watertown, SD · Accident · No injuries · Limited investigation · Final report · Dec 9, 2011 · N6717K · Substantial damage
  > A total loss of engine power during initial climb for undetermined reasons.
- [NTSB ERA12WA104](https://openairdocs.org/ntsb/ERA12WA104.md): Piper PA28 · Bogota, Colombia · Accident · No injuries · Foreign investigation · Dec 6, 2011 · HK2308 · Substantial damage
  > On December 6, 2011, about 1815 Universal Coordinated Time (UTC), a Piper PA-28-236, Columbian registration HK2308, operated by Aeroclub de Colombia, incurred substantial damage to the left wing and separated the left main gear when it collided with a tree…
- [NTSB WPR12LA052](https://openairdocs.org/ntsb/WPR12LA052.md): Beech 76 · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Dec 2, 2011 · N23852 · Substantial damage
  > The collapse of the right main landing gear during the turn off the runway due to the failure of the A-frame assembly.
- [NTSB WPR12LA047](https://openairdocs.org/ntsb/WPR12LA047.md): Cessna 310I · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Nov 25, 2011 · N8059M · Substantial damage
  > The collapse of the right main landing gear after landing for a reason that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation, and postaccident testing could not be performed due…
- [NTSB ERA12CA088](https://openairdocs.org/ntsb/ERA12CA088.md): Anatra Bart T Vans RV-7A · Quinton, VA · Accident · No injuries · Data collection · Final report · Nov 25, 2011 · N816BA · Substantial damage
  > The pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation, and the subsequent nose-over during the forced landing.
- [NTSB ERA12WA091](https://openairdocs.org/ntsb/ERA12WA091.md): Piper PA23 · Quibdo, Colombia · Incident · No injuries · Foreign investigation · Nov 23, 2011 · HK1263 · Minor damage
  > On November 23, 2011, about 1717 UTC, a Piper PA-23-250, Colombian registration HK1263, operated by Aerolineas Alas de Colombia LTDA, experienced collapse of the left main landing gear during the landing roll at the El Carano Airport (SKUI), Quibdo, Colombia.…
- [NTSB ERA12CA079](https://openairdocs.org/ntsb/ERA12CA079.md): Beech C-45G · Lyman, MS · Accident · No injuries · Data collection · Final report · Nov 19, 2011 · N75Q · Substantial damage
  > The collapse of the right main landing gear during landing due to an encounter with soft terrain.
- [NTSB ERA12CA075](https://openairdocs.org/ntsb/ERA12CA075.md): Bellanca 17-30A · Pine Mountain, GA · Accident · No injuries · Data collection · Final report · Nov 18, 2011 · N39836 · Substantial damage
  > The pilot's inadequate directional control during landing, which resulted in a runway excursion.
- [NTSB ERA12LA069](https://openairdocs.org/ntsb/ERA12LA069.md): Grenier Raymond Vans Aircraft RV-8 · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Nov 9, 2011 · N220RG · Substantial damage
  > The right main landing gear collapse due to the overload fracture of the hardware for reasons that could not be determined during postaccident testing and examination.
- [NTSB ERA12WA067](https://openairdocs.org/ntsb/ERA12WA067.md): Cessna 402 · Quibdo, Colombia · Incident · No injuries · Foreign investigation · Nov 4, 2011 · HK4417 · Minor damage
  > On November 4, 2011, about 1640 UTC, a Cessna 402C, Colombian registration HK4417, registered to and operated by AeroEjecutivos De Antioquia S.A. experienced collapse of the left main landing gear during the takeoff roll from El Carano Airport (SKUI), Quibdo,…
- [NTSB ERA12FA056](https://openairdocs.org/ntsb/ERA12FA056.md): Gulfstream G150 · Key West, FL · Accident · Serious injuries · Field investigation · Final report · Oct 31, 2011 · N480JJ · Substantial damage
  > The pilot in command's failure to follow the normal landing procedures (placing engines into reverse thrust first and then brake), his delayed decision to continue the landing or go-around, and the flight crew's failure to follow emergency procedures once a…
- [NTSB CEN12CA027](https://openairdocs.org/ntsb/CEN12CA027.md): Michael Cans RV-8 · Breaux Bridge, LA · Accident · No injuries · Data collection · Final report · Oct 14, 2011 · N610EC · Substantial damage
  > The pilot's failure to maintain control of the airplane after striking an unseen sinkhole during landing.
- [NTSB ERA12CA028](https://openairdocs.org/ntsb/ERA12CA028.md): Piper PA-28R-201T · Culpeper, VA · Accident · No injuries · Data collection · Final report · Oct 6, 2011 · N9268C · Substantial damage
  > The pilot's inadequate knowledge of the airplane's emergency gear extension procedures, which resulted in his failure to successfully perform a manual extension of the landing gear.
- [NTSB ERA11LA507](https://openairdocs.org/ntsb/ERA11LA507.md): Mitsubishi MU-2B-25 · Atlanta, GA · Accident · No injuries · Limited investigation · Final report · Sep 28, 2011 · N344KL · Substantial damage
  > The improper installation of the nose landing gear strut and subsequent collapse of the nose landing gear during landing.
- [NTSB WPR11CA468](https://openairdocs.org/ntsb/WPR11CA468.md): Beech 36 · Riverton, WY · Accident · No injuries · Data collection · Final report · Sep 24, 2011 · N7549N · Substantial damage
  > The pilot's inadvertent retraction of the landing gear during the landing roll.
- [NTSB ERA11LA519](https://openairdocs.org/ntsb/ERA11LA519.md): Heinlein George GH125 · Okeechobee, FL · Accident · No injuries · Limited investigation · Final report · Sep 19, 2011 · N79GH · Substantial damage
  > The non-certificated pilot's improper flare on an earlier flight, which resulted in a hard landing, fracture of the right main landing gear bolt, and subsequent collapse of the right main landing gear.
- [NTSB CEN11LA658](https://openairdocs.org/ntsb/CEN11LA658.md): Mark Divita RV-8 · Lancaster, TX · Accident · No injuries · Limited investigation · Final report · Sep 18, 2011 · N98D · Substantial damage
  > The failure of the tailwheel to remain locked during a crosswind landing, which resulted in a loss of directional control.
- [NTSB CEN11CA655](https://openairdocs.org/ntsb/CEN11CA655.md): Beech B90 · Hillsboro, TX · Accident · No injuries · Data collection · Final report · Sep 17, 2011 · N125A · Substantial damage
  > The pilot's failure to obtain a proper touchdown point, which resulted in a runway undershoot.
- [NTSB CEN11CA661](https://openairdocs.org/ntsb/CEN11CA661.md): Luscombe 8A · Huntington, IN · Accident · No injuries · Data collection · Final report · Sep 10, 2011 · N71212 · Substantial damage
  > The failure of the right main landing gear strut due to internal corrosion.
- [NTSB ERA11LA491](https://openairdocs.org/ntsb/ERA11LA491.md): Cessna TR182 · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · Sep 5, 2011 · N950RC · Substantial damage
  > The pilot did not maintain directional control during the landing roll.
- [NTSB WPR11LA471](https://openairdocs.org/ntsb/WPR11LA471.md): Piper PA-44-180 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Sep 4, 2011 · N316PA · Substantial damage
  > The pilot's improper flare and hard landing, which resulted in the failure of the nose landing gear drag link in overstress.
- [NTSB WPR11CA432](https://openairdocs.org/ntsb/WPR11CA432.md): Taylorcraft BC12-D · Lancaster, CA · Accident · Minor injuries · Data collection · Final report · Sep 4, 2011 · N43220 · Substantial damage
  > The student pilot’s inadequate flare resulting in a hard landing. Contributing to the accident was the certified flight instructor's inadequate supervision.
- [NTSB ERA11LA484](https://openairdocs.org/ntsb/ERA11LA484.md): North American TB-25N · Georgetown, DE · Accident · No injuries · Limited investigation · Final report · Sep 4, 2011 · N9079Z · Substantial damage
  > Maintenance personnel's inadequate examination of the main landing gear during the airplane’s most recent conditional inspection, which resulted in the fatigue failure of the right main landing gear shock strut drag arm during the landing roll.
- [NTSB WPR11LA427](https://openairdocs.org/ntsb/WPR11LA427.md): Stinson V77 · Tillamook, OR · Accident · No injuries · Limited investigation · Final report · Sep 3, 2011 · N9112H · Substantial damage
  > The pilot’s loss of directional control while taxiing in a gusting tailwind.
- [NTSB WPR11LA436](https://openairdocs.org/ntsb/WPR11LA436.md): Tubbs S/Performance PA-18 225DD · Mile Hi Landing Strip, ID · Accident · No injuries · Limited investigation · Final report · Aug 25, 2011 · N727WW · Substantial damage
  > The collapse of the left landing gear during landing for undetermined reasons.
- [NTSB CEN11LA558](https://openairdocs.org/ntsb/CEN11LA558.md): Piper Aerostar 601P · Alpine, TX · Accident · No injuries · Limited investigation · Final report · Aug 22, 2011 · N8076J · Substantial damage
  > The pilot’s improper flare which resulted in a hard landing. Contributing to the accident was the pilot’s improper decision to fly the airplane with a known mechanical deficiency.
- [NTSB ERA11LA466](https://openairdocs.org/ntsb/ERA11LA466.md): Piper PA46 · Manasses, VA · Accident · No injuries · Limited investigation · Final report · Aug 19, 2011 · N133SR · Substantial damage
  > An undetermined nose landing gear steering anomaly or anomalies, which resulted in the pilot's inability to maintain directional control of the airplane during the landing rollout. The damage to the nose landing gear precluded a determination of the cause of…
- [NTSB CEN11LA596](https://openairdocs.org/ntsb/CEN11LA596.md): Suminski Walter M Jabiru SP · Columbia, IL · Accident · No injuries · Limited investigation · Final report · Aug 17, 2011 · N284E · Substantial damage
  > Separation of the right main wheel during landing rollout for undetermined reasons.
- [NTSB ANC11CA081](https://openairdocs.org/ntsb/ANC11CA081.md): Piper PA-18-180 · Valdez, AK · Accident · No injuries · Data collection · Final report · Aug 17, 2011 · N91134 · Substantial damage
  > The pilot's failure to maintain the proper approach path, which resulted in a runway undershoot.
- [NTSB ANC11TA079](https://openairdocs.org/ntsb/ANC11TA079.md): Dehavilland DHC-2 MK. I(L20A) · Northway, AK · Accident · No injuries · Final report · Aug 3, 2011 · N723DR · Substantial damage
  > The pilot's failure to identify unsuitable terrain for landing and subsequent contact with a dirt mound, resulting in the separation of the tailwheel from the airframe.
- [NTSB CEN11LA542](https://openairdocs.org/ntsb/CEN11LA542.md): T&T Falcon LS · Lee's Summit, MO · Accident · No injuries · Limited investigation · Final report · Aug 1, 2011 · N785TT · Substantial damage
  > A binding condition in the left rudder cable which resulted in a loss of directional control during landing.
- [NTSB WPR11LA364](https://openairdocs.org/ntsb/WPR11LA364.md): Nicholson 2000 · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Jul 27, 2011 · N671T · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR11LA370](https://openairdocs.org/ntsb/WPR11LA370.md): Piper J5A · Biddle, MT · Accident · No injuries · Limited investigation · Final report · Jul 24, 2011 · N38AW · Substantial damage
  > Failure of the left main landing gear strut during the landing roll due to a preexisting crack.
- [NTSB ANC11CA072](https://openairdocs.org/ntsb/ANC11CA072.md): Aeronca 7AC · McCarthy, AK · Accident · No injuries · Data collection · Final report · Jul 24, 2011 · N85194 · Substantial damage
  > The separation of the right main landing gear oleo strut assembly, resulting in the collapse of the main landing gear during the landing roll.
- [NTSB WPR11CA357](https://openairdocs.org/ntsb/WPR11CA357.md): Cessna 175 · Greer, AZ · Accident · No injuries · Data collection · Final report · Jul 23, 2011 · N9402B · Substantial damage
  > The pilot’s improper flare and inadequate recovery from a bounced landing which resulted in a nose gear collapse.
- [NTSB CEN11CA583](https://openairdocs.org/ntsb/CEN11CA583.md): Mooney M20K · Cresson, TX · Accident · No injuries · Data collection · Final report · Jul 23, 2011 · N1149D · Substantial damage
  > The pilot’s inadequate recovery from a bounced landing and subsequent failure to maintain directional control of the airplane.
- [NTSB CEN11CA526](https://openairdocs.org/ntsb/CEN11CA526.md): Piper PA-36-375 · Cambridge, NE · Accident · No injuries · Data collection · Final report · Jul 23, 2011 · N3963E · Substantial damage
  > The pilot's failure to reset the engine's mixture control lever to the full rich position prior to takeoff.
- [NTSB CEN11LA494](https://openairdocs.org/ntsb/CEN11LA494.md): Cessna T210L · Columbia, MO · Accident · No injuries · Limited investigation · Final report · Jul 20, 2011 · N2056S · Substantial damage
  > The collapse of the right main landing gear during landing due to a lack of component lubrication, which resulted in the failure of the landing gear to lock once extended.
- [NTSB WPR11CA343](https://openairdocs.org/ntsb/WPR11CA343.md): Beech 95-B55 (T42A) · Colville, WA · Accident · No injuries · Data collection · Final report · Jul 19, 2011 · N601FD · Substantial damage
  > The pilot’s inadequate braking after touchdown, which resulted in a runway excursion.
- [NTSB WPR11CA336](https://openairdocs.org/ntsb/WPR11CA336.md): Stearman C3-B · Spokane, WA · Accident · No injuries · Data collection · Final report · Jul 16, 2011 · N3440 · Substantial damage
  > The pilot's failure to maintain directional control on landing. Contributing to the accident was the touch down in a slide-slip.
- [NTSB WPR11CA330](https://openairdocs.org/ntsb/WPR11CA330.md): Cessna 210-5(205) · McKenzie Bridge, OR · Accident · No injuries · Data collection · Final report · Jul 10, 2011 · N8343Z · Substantial damage
  > The pilot's improper landing flare and inadequate recovery from a bounced landing.
- [NTSB ERA11CA396](https://openairdocs.org/ntsb/ERA11CA396.md): Piper PA-30 · Plant City, FL · Accident · No injuries · Data collection · Final report · Jul 10, 2011 · N325EE · Substantial damage
  > The failure of a screw in the nose landing gear aligner assembly for undetermined reasons, which prevented the landing gear from fully extending.
- [NTSB ANC11LA061](https://openairdocs.org/ntsb/ANC11LA061.md): Cessna U206E · Anchorage, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 2011 · N9129M · Substantial damage
  > The pilot’s decision to depart with minimal fuel and his improper fuel management and engine restart procedures, which resulted in a loss of engine power due to fuel starvation. Contributing to the accident was the Pilot Operating Handbook did not provide the…
- [NTSB WPR11CA323](https://openairdocs.org/ntsb/WPR11CA323.md): TL Ultralight Sro Stingsport · Soda Springs, ID · Accident · No injuries · Data collection · Final report · Jul 7, 2011 · N545N · Substantial damage
  > The pilot's improper landing flare and failure to maintain directional control during the landing.
- [NTSB WPR11CA314](https://openairdocs.org/ntsb/WPR11CA314.md): Piper PA-28R-201 · Spanish Fork, UT · Accident · No injuries · Data collection · Final report · Jul 4, 2011 · N47869 · Substantial damage
  > The pilot's improper landing flare, inadequate recovery from a bounced landing and failure to maintain directional control.
- [NTSB ERA11LA386](https://openairdocs.org/ntsb/ERA11LA386.md): Piper PA-32R-301 · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Jul 2, 2011 · N8319N · Substantial damage
  > The pilot's improper flare and inadequate recovery from a bounced landing, which resulted in a landing gear collapse.
- [NTSB ERA11CA408](https://openairdocs.org/ntsb/ERA11CA408.md): Cessna 172S · Cambridge, MD · Accident · No injuries · Data collection · Final report · Jul 1, 2011 · N789EP · Substantial damage
  > The student pilot's improper recovery from a bounced landing.
- [NTSB WPR11CA301](https://openairdocs.org/ntsb/WPR11CA301.md): Cessna A185F · Page, AZ · Accident · No injuries · Data collection · Final report · Jun 30, 2011 · N80293 · Substantial damage
  > The pilot's decision to take off with a gusty quartering tailwind.

Next page: https://openairdocs.org/ntsb-events/094/sequence.md?year=2011&page=2

## 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."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '094' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/094/sequence?year=2011

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