# NTSB investigations: Gear not extended 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 2 of 3 · 125 cases ## Cases, newest first - [NTSB MKC90LA114](https://openairdocs.org/ntsb/MKC90LA114.md): Cessna 182RG · Salina, KS · Accident · No injuries · Limited investigation · Final report · May 24, 1990 · N7311S · Substantial damage > Gear down and locked not identified, and emergency procedures not performed by the pilot in command. - [NTSB MIA90IA128](https://openairdocs.org/ntsb/MIA90IA128.md): Piper PA-31-350 · Tampa, FL · Incident · No injuries · Incident investigation · Final report · May 23, 1990 · N62910 · Minor damage > The failure of the pilot to follow procedures outlined in the checklist, resulting in the airplane landing with landing gear retracted. - [NTSB CHI90LA114](https://openairdocs.org/ntsb/CHI90LA114.md): Rockwell AC-690 · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · Apr 18, 1990 · N57175 · Substantial damage > Failure of the pilot to complete the landing checklist and lower the landing gear. Contributing to this accident is habit pattern interference and distraction. - [NTSB CHI90LA080](https://openairdocs.org/ntsb/CHI90LA080.md): Beech V35 · West Chicago, IL · Accident · No injuries · Limited investigation · Final report · Feb 13, 1990 · N9582Q · Substantial damage > Failure of the pilot to extend the gear, which resulted in an inadvertent wheels-up landing. - [NTSB ATL90LA054](https://openairdocs.org/ntsb/ATL90LA054.md): Swearingen SA 226TC · Morrisville, NC · Accident · No injuries · Limited investigation · Final report · Jan 24, 1990 · N396AV · Substantial damage > Improper installation of the landing gear door actuator fork assembly by company maintenance personnel. - [NTSB ATL90LA053](https://openairdocs.org/ntsb/ATL90LA053.md): Mitsubishi MU2B-20 · Nashville, TN · Accident · No injuries · Limited investigation · Final report · Jan 23, 1990 · N40RP · Substantial damage > Inadequate maintenance adjustment of the landing gear system which resulted in the jamming of the left gear door. - [NTSB ATL90LA036](https://openairdocs.org/ntsb/ATL90LA036.md): Cessna 550 · Covington, KY · Accident · No injuries · Limited investigation · Final report · Nov 30, 1989 · N171LE · Substantial damage > Failure of the pilot-in-command (PIC) to extend the landing gear and inadequate monitoring by the check pilot, which resulted in a wheels-up landing. - [NTSB ATL90IA033](https://openairdocs.org/ntsb/ATL90IA033.md): Boeing 727-225 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Nov 29, 1989 · N8835E · Minor damage > Inadequate maintenance and inspection by the operator. - [NTSB LAX90LA022](https://openairdocs.org/ntsb/LAX90LA022.md): Beech D17S · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Nov 6, 1989 · N80024 · Destroyed > An inadvertent gear-up landing by the pilot. A contributing factor was the pilot's acceptance of a visual gear-up warning as normal since it is on all the time. - [NTSB DEN89LA220](https://openairdocs.org/ntsb/DEN89LA220.md): Cessna 182RG · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Sep 17, 1989 · N7346X · Substantial damage > The pilot failed to extend the landing gear. The pilot's anxiety and/or apprehension about a suspected loss of electrical power, and his attention being diverted by other traffic were contributing factors. - [NTSB MIA89IA247](https://openairdocs.org/ntsb/MIA89IA247.md): Beech G18S · Jackson, MS · Incident · No injuries · Incident investigation · Final report · Sep 13, 1989 · N9604R · Minor damage > Failure of the pilot to correctly perform the emergency gear extension procedures. Contributing to the accident was the failure of the normal gear extension system. - [NTSB MIA89LA230](https://openairdocs.org/ntsb/MIA89LA230.md): Piper PA-44-180 · St Augustine, FL · Accident · No injuries · Limited investigation · Final report · Aug 23, 1989 · N8517D · Substantial damage > Inadvertent retraction of the landing gear, and the instructor pilot's inadequate supervision of the flight. - [NTSB ATL89IA187](https://openairdocs.org/ntsb/ATL89IA187.md): Boeing 737-400 · Greensboro, NC · Incident · No injuries · Incident investigation · Final report · Aug 2, 1989 · N413US · Minor damage > Failure of the line mechanic, a check mechanic, and first officer to identify and remove the wheel chock from the wheel well during the required inspections. - [NTSB MKC89IA168](https://openairdocs.org/ntsb/MKC89IA168.md): Beech 65-90 · Springdale, AR · Incident · No injuries · Incident investigation · Final report · Jul 26, 1989 · N195DP · Minor damage > The pilot's failure to extend the landing gear. - [NTSB MKC89LA144](https://openairdocs.org/ntsb/MKC89LA144.md): Cessna 210 · Kaiser, MO · Accident · No injuries · Limited investigation · Final report · Jun 26, 1989 · N9440T · Substantial damage > Failure of the pilot to extend the landing gear. A factor in the accident was the pilot's failure to use the checklist. - [NTSB MKC89LA122](https://openairdocs.org/ntsb/MKC89LA122.md): Piper PA-30 · Columbia, MO · Accident · No injuries · Limited investigation · Final report · Jun 1, 1989 · N154P · Substantial damage > The gear-up landing which was made by an unknown/unauthorized person. - [NTSB CHI89LA098](https://openairdocs.org/ntsb/CHI89LA098.md): Cessna P210N · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · May 30, 1989 · N4763P · Substantial damage > Failure of the pilot to extend the landing gear, which resulted in a wheels-up landing. - [NTSB ANC89LA078](https://openairdocs.org/ntsb/ANC89LA078.md): Piper PA-31 · Tok Junction, AK · Accident · No injuries · Limited investigation · Final report · May 20, 1989 · N87TS · Substantial damage > The pilot's failure to lower the landing gear for landing. A factor related to the accident was his failure to use a checklist. - [NTSB LAX89LA187](https://openairdocs.org/ntsb/LAX89LA187.md): Cessna T210N · Monterey, CA · Accident · No injuries · Limited investigation · Final report · May 12, 1989 · N7568N · Substantial damage > The pilots improper use of the checklist when his attention was diverted. - [NTSB MKC89LA103](https://openairdocs.org/ntsb/MKC89LA103.md): Beech 58 · Brainerd, MN · Accident · Minor injuries · Limited investigation · Final report · May 6, 1989 · N8152R · Substantial damage > The pilot's failure to follow procedures which resulted in the failure to extend the landing gear prior to touchdown. A contributing factor was the pilot's inattentiveness. - [NTSB LAX89LA183](https://openairdocs.org/ntsb/LAX89LA183.md): Piper PA-24 · Montague, CA · Accident · No injuries · Limited investigation · Final report · May 6, 1989 · N550V · Substantial damage > The pilot's failure to extend the landing gear because of inattention. Contributing to the accident was inadequate maintenance of the airplane which failed to repair the landing gear warning throttle position switch. - [NTSB MIA89FA138](https://openairdocs.org/ntsb/MIA89FA138.md): Swearingen SA-226-AT · Jacksonville, FL · Accident · No injuries · Field investigation · Final report · Apr 27, 1989 · N39RD · Substantial damage > The failure of the pilot in command to use the airplane landing checklist and assure that the landing gear was down and locked prior to landing. - [NTSB MKC89LA095](https://openairdocs.org/ntsb/MKC89LA095.md): Beech BE-55 · Hot Springs, AR · Accident · No injuries · Limited investigation · Final report · Apr 22, 1989 · N7739R · Substantial damage > A wheels up landing was performed by the pilot in command, due to the interrupted landing and go-around. A psychological traffic pattern habit interference mind set interfered with the pilots ability to perform the normal functions required by the landing… - [NTSB ATL89LA124](https://openairdocs.org/ntsb/ATL89LA124.md): Cessna 172RG · Miamisburg, OH · Accident · No injuries · Limited investigation · Final report · Apr 10, 1989 · N9688B · Substantial damage > Intermittant grounding of an electrical wire to the nose landing gear. The chafed wire resulted in the opening of the landing gear motor circuit breaker preventing full extension of the left main landing gear. A secondary failure of the throttle warning… - [NTSB NYC89LA087](https://openairdocs.org/ntsb/NYC89LA087.md): Cessna 172RG · Durhamville, NY · Accident · No injuries · Limited investigation · Final report · Feb 20, 1989 · N9530B · Substantial damage > Failure of the pilot to extend the landing gear before landing after allowing his attention to be diverted. - [NTSB DEN89LA068](https://openairdocs.org/ntsb/DEN89LA068.md): Piper PA-34-200T · Las Cruces, NM · Accident · No injuries · Limited investigation · Final report · Jan 24, 1989 · N3070M · Substantial damage > The loss of right engine power for undetermined reason(s), and the failure of the instructor pilot to feather the right engine. Factors related to the accident were: failure of the left main gear locking mechanism to engage and the unprepared (rough/uneven)… - [NTSB DEN89LA043](https://openairdocs.org/ntsb/DEN89LA043.md): Piper PA-24-250 · Peyton, CO · Accident · No injuries · Limited investigation · Final report · Dec 18, 1988 · N6843P · Substantial damage > The student plt was practicing a touch and go landing. During a turn to final, the plt heard an acft report final for a straight in. He said he became distracted and failed to extend the landing gear. The acft landed with the gear up and slid 500 feet, coming… - [NTSB SEA89LA028](https://openairdocs.org/ntsb/SEA89LA028.md): Cessna 210D · Twin Falls, ID · Accident · No injuries · Limited investigation · Final report · Dec 17, 1988 · N3815Y · Substantial damage > Prior to landing, the pilot was unable to lower the nose gear by using either the normal or emergency systems. Subsequently, he landed the acft with the main gear extended & the nose gear in the retracted position. After landing, the nose gear uplock actuator… - [NTSB MIA89LA042](https://openairdocs.org/ntsb/MIA89LA042.md): Piper PA-60-601P · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · Nov 27, 1988 · N45MA · Substantial damage > Air traffic controllers stated that while the aircraft was on short final they noticed that the gear on the aircraft was not extended. They attempted to contact the pilot but he never responded. The pilot stated that he failed to extend the landing gear prior… - [NTSB MIA89IA032](https://openairdocs.org/ntsb/MIA89IA032.md): Piper PA-28R-200 · Melbourne, FL · Incident · No injuries · Incident investigation · Final report · Nov 13, 1988 · N32393 · Minor damage > The plt stated that while doing touch and go landings at Melbourne, he put the gear handle down but did not check to confirm that it was down. He continued the approach and landed gear up. Afterward, the pilot noticed that the gear pump circuit breaker had… - [NTSB LAX88LA318](https://openairdocs.org/ntsb/LAX88LA318.md): Cessna T310R · La Verne, CA · Accident · No injuries · Limited investigation · Final report · Sep 16, 1988 · N5126J · Substantial damage > The pilot stated that he was troubleshooting a problem with the airplane's fuel flow system. During the preflight run-up, he noticed that the fuel flow gauge for the right engine was reading too high. He took off to see if he could make an inflight… - [NTSB CHI88LA208](https://openairdocs.org/ntsb/CHI88LA208.md): Beech C55 · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Aug 15, 1988 · N19RE · Substantial damage > While on a maintenance test hop after annual inspection, the pilot failed to insure that the landing gear was extended before touchdown. The pilot stated that the gear handle was placed in the gear down position, and that no gear warning horn sounded during… - [NTSB CHI88LA164](https://openairdocs.org/ntsb/CHI88LA164.md): Cessna 210M · Indianapolis, IN · Accident · No injuries · Limited investigation · Final report · Jul 10, 1988 · N210WP · Substantial damage > The pilot reported that he was on his way back from another local airport. He thought that he had lowered the gear when he had entered the traffic pattern. The aircraft landed gear up. Post-accident exam disclosed no mechanical failures or system malfunctions… - [NTSB CHI88LA137](https://openairdocs.org/ntsb/CHI88LA137.md): Piper PA-24-250 · Mattoon, IL · Accident · No injuries · Limited investigation · Final report · Jun 16, 1988 · N8226P · Substantial damage > Upon return from a local aerial photography flight, the pilot failed to ensure that the aircraft landing gear was extended, down and locked. When the aircraft touched down, the gear was only extended approximately 10%; it collapsed fully when it contacted the… - [NTSB LAX88LA208](https://openairdocs.org/ntsb/LAX88LA208.md): Piper PA-34-200T · Corona, CA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1988 · N2710M · Substantial damage > Company maintenance personnel had replaced the nose landing gear assy and had conducted retraction tests prior to releasing the acft for flt. After takeoff the lndg gear was retracted and the flt was conducted without incident until, upon entering the traffic… - [NTSB MIA88IA181](https://openairdocs.org/ntsb/MIA88IA181.md): Cessna P210N · Daytona Beach, FL · Incident · No injuries · Incident investigation · Final report · May 30, 1988 · N6330W · Minor damage > The plt rprtd that while on final apch to land, he became distracted by conversation with the passenger & failed to lower the landing gear. Subsequently, the acft was landed with the gear retracted. After it was lifted from the rwy after the incident, the… - [NTSB ATL88FA173](https://openairdocs.org/ntsb/ATL88FA173.md): Swearingen SA-226-TC · Atlanta, GA · Accident · No injuries · Field investigation · Final report · May 16, 1988 · N1013G · Substantial damage > During a visual approach to runway 27L, the airplane was landed gear up. Both the capt and f/o stated that the landing gear had been lowered over the outer marker and that they had observed three green lights and that the warning horn had not sounded prior to… - [NTSB MKC88LA080](https://openairdocs.org/ntsb/MKC88LA080.md): Beech F17D · Perryville, MO · Accident · No injuries · Limited investigation · Final report · Apr 29, 1988 · N385 · Destroyed > During the landing phase of operation, the propeller struck the runway several times prior to the acft making a gear up ldg. After the acft came to a stop, a post flight fire erupted destroying the acft. Evidence of gear up landing was confirmed after post… - [NTSB MIA88LA158](https://openairdocs.org/ntsb/MIA88LA158.md): Beech E55 · Pahokee, FL · Accident · No injuries · Limited investigation · Final report · Apr 21, 1988 · N81893 · Substantial damage > While on an instructional flt practicing short & soft field landings, the acft was landed gear up. The instructor plt stated there was no failure or malfunction of the landing gear warning horn and that when the throttle was retarded fully the horn sounded. - [NTSB MIA88IA150](https://openairdocs.org/ntsb/MIA88IA150.md): Beech 58 · Jacksonville, FL · Incident · No injuries · Incident investigation · Final report · Apr 15, 1988 · N796Q · Minor damage > The plt stated that while on landing rollout, the gear collapsed & the acft slid to a stop on the runway. Post crash examination of the landing gear revealed evidence that would suggest that the gear was up and locked at the time the acft landed. - [NTSB MIA88IA119](https://openairdocs.org/ntsb/MIA88IA119.md): Cessna 210M · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Mar 1, 1988 · N823AR · Minor damage > While on a positioning flt the acft landed gear up. The plt stated that he failed to follow the checklist & forgot to lower the landing gear. Examination of the landing gear assy by FAA personnel revealed no failure or malfunction. - [NTSB MIA88LA100](https://openairdocs.org/ntsb/MIA88LA100.md): Beech V-35 · Fernandina Bch, FL · Accident · No injuries · Limited investigation · Final report · Feb 5, 1988 · N7987M · Substantial damage > While on a personal flt, the acft landed gear up. The plt stated that he lowered it. He also stated that the gear warning horn was inoperative. Operational check of the landing gear revealed no discrepancies except for an improperly adjusted warning horn &… - [NTSB NYC88LA064](https://openairdocs.org/ntsb/NYC88LA064.md): Piper PA-23-250 · Atlantic City, NJ · Accident · Minor injuries · Limited investigation · Final report · Jan 8, 1988 · N62554 · Substantial damage > The Piper PA-23-250 made an instrument approach to the airport. The pilot said he lowered the landing gear prior to touchdown, however, both propellers struck the runway. The pilot tried to make a go-around and the aircraft started to veer to the left. The… - [NTSB MIA88IA068](https://openairdocs.org/ntsb/MIA88IA068.md): Beech 99 · Tampa, FL · Incident · No injuries · Incident investigation · Final report · Dec 21, 1987 · N6724D · Minor damage > The commuter air carrier crew received an unsafe nose gear indication on final approach. The approach was abandoned and all efforts to use the emergency extension procedures were to no avail. The crew secured both engines on final and landed nose gear up.… - [NTSB MIA88FA058](https://openairdocs.org/ntsb/MIA88FA058.md): Embraer EMB 120 · Columbus, MS · Accident · No injuries · Field investigation · Final report · Dec 10, 1987 · N232AS · Substantial damage > The acft landed gear up while on a training flight, the crew stated that they had completed 2 hours of training when the first officer requested a single engine no flap approach demonstration. Both pilots stated that during this demonstration they neglected… - [NTSB NYC88LA055](https://openairdocs.org/ntsb/NYC88LA055.md): Mitsubishi MU-2B-20 · White Plains, NY · Accident · No injuries · Limited investigation · Final report · Dec 7, 1987 · N866Q · Substantial damage > The cross country business flight was uneventful from concord, new hampshire to White Plains, new york under clear sky. During final approach, the pilot extended the gear but did not notice that the circuit breaker had opened and the gear was not lowered. The… - [NTSB MIA88IA052](https://openairdocs.org/ntsb/MIA88IA052.md): Beech 58 · Vicksburg, MS · Incident · No injuries · Incident investigation · Final report · Dec 3, 1987 · N3012W · Minor damage > While on a part 135 on-demand domestic passenger flt, the acft landed gear up. The plt stated that he forgot to lower the landing gear. There was no mechanical failure or malfunction. - [NTSB MIA88LA047](https://openairdocs.org/ntsb/MIA88LA047.md): Cessna 210 · Quincy, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 29, 1987 · N9492T · Substantial damage > The plt stated that he performed a prelanding check on final apch but failed to lower the landing gear. He continued the apch, & just prior to touchdown, was advised that the gear was not down. The apch to landing was continued & the acft slid to a stop. He… - [NTSB DEN88LA027](https://openairdocs.org/ntsb/DEN88LA027.md): Piper PA-24-180 · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Nov 23, 1987 · N7291P · Substantial damage > The private pilot was flying to build time. After an hour of flight, the plt returned to the home airport and attempted to land. Landing gear would not extend properly and manual gear extension did not help. All gear was partially extended and would not… - [NTSB MIA88LA043](https://openairdocs.org/ntsb/MIA88LA043.md): North American 500 · San Juan, PR · Accident · No injuries · Limited investigation · Final report · Nov 20, 1987 · N4111P · Substantial damage > While on a part 135 non-scheduled domestic passenger flt in VFR conditions, the plt landed the acft gear up. Operational check of the landing gear & warning horn revealed no failure or malfunction. Next page: https://openairdocs.org/ntsb.md?occurrence=196&page=3 ## 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 c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 196) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=196&page=2 --- 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.