# NTSB investigations, 1985: Airframe/component/system failure/malfunction

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 4 · 186 cases

## Latest cases

- [NTSB CHI86LA055](https://openairdocs.org/ntsb/CHI86LA055.md): Cessna 170A · Grygla, MN · Accident · No injuries · Limited investigation · Final report · Dec 31, 1985 · N3828V · Substantial damage
  > The aircraft had been fitted with owner installd skis. During landing the left ski separates from its mount allowing the left ski mount to dig into the snow covered runway. The right wingtip struck a snowbank and the aircraft came to rest on its nose. The…
- [NTSB CHI86FEI01](https://openairdocs.org/ntsb/CHI86FEI01.md): Monnet Moni · Perry, OH · Accident · Minor injuries · Final report · Dec 30, 1985 · N685TC · Substantial damage
  > After initiating a 180 deg turn, the plt heard a 'thump' and noted a low vibration. The acft then pitched down abruptly and entered an inverted spin to ground contact. The plt stated an in flight structural failure of the tail section had occurred which…
- [NTSB FTW86FRG10](https://openairdocs.org/ntsb/FTW86FRG10.md): Mooney M20C · San Antonio, TX · Accident · Minor injuries · Final report · Dec 26, 1985 · N7025V · Destroyed
  > The acft was destroyed during a forced landing. While en route over the San Antonio area the plt noticed a few drops of what he believed to be precipitation on the windshield. Shortly thereafter, it was determined the drops on the windshield were oil. The…
- [NTSB NYC86LA050](https://openairdocs.org/ntsb/NYC86LA050.md): Piper PA-28-180 · Mt. Joy, PA · Accident · No injuries · Limited investigation · Final report · Dec 15, 1985 · N7177W · Substantial damage
  > Piper aircraft was in cruise flight from lancaster, PA to mt joy, PA. When an oil line apparently fractured. An emergecny landing was made in a field. During landing, the nose collapsed and the aircraft was substantially damaged.
- [NTSB MIA86LA043](https://openairdocs.org/ntsb/MIA86LA043.md): Lake LA4-200 · Homestead, FL · Accident · No injuries · Limited investigation · Final report · Dec 15, 1985 · N2969P · Substantial damage
  > The plt stated that while on a flight from marco island FL, to ocean reef FL, he heard a loud bang and elected to land at Homestead general arpt. Upon landing he found the left muffler had seperated from the acft, struck the propeller and was driven through…
- [NTSB DCA86AA011](https://openairdocs.org/ntsb/DCA86AA011.md): Boeing 747-136 · Boston, MA · Accident · No injuries · Final report · Dec 15, 1985 · GAWNE · Substantial damage
  > Aprx 16 ft of the left inboard trailing edge flap separated while the acft was on final apch to land. The apch and landing were completed without further incident. Investigation revealed 5 of the 8 bolts which hold the no. 3 flap trackforward attach fitting…
- [NTSB CHI86LA048](https://openairdocs.org/ntsb/CHI86LA048.md): Cessna 152 II · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Dec 14, 1985 · N4655P · Substantial damage
  > During initial climbout the student plt saw his IAS drop 10 KTS. He aborted the takeoff and land hard on the nose gear. Gear collapsed.
- [NTSB MIA86LA041](https://openairdocs.org/ntsb/MIA86LA041.md): Cessna 337F · Sarasota, FL · Accident · No injuries · Limited investigation · Final report · Dec 8, 1985 · N1158M · Substantial damage
  > The plt stated that all attempts to extend the landing gear were to no avail. He then intentionally landed gear up on the left side of rwy 4.
- [NTSB CHI86LA043](https://openairdocs.org/ntsb/CHI86LA043.md): Cessna 140 · Rochester, IN · Accident · No injuries · Limited investigation · Final report · Dec 7, 1985 · N4155N · Substantial damage
  > Upon takeoff and after reaching an altitude of approx ten feet the right side of the cowl became unlatched and whipped up into the airstream, blocking the pilots forward view and causing some control problems. He elected to abort the takeoff and ran off the…
- [NTSB CHI86IA037](https://openairdocs.org/ntsb/CHI86IA037.md): Embraer EMB-110P1 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Dec 2, 1985 · N90427 · Minor damage
  > The acft suffered a failure of the left rear axle during taxi to takeoff.
- [NTSB LAX86LA053](https://openairdocs.org/ntsb/LAX86LA053.md): Mooney M20J · Taft, CA · Accident · No injuries · Limited investigation · Final report · Nov 30, 1985 · N201UH · Substantial damage
  > The landing gear intransit light illuminated and stayed on when the plt attempted to retract the gear after takeoff. After all efforts to extend or retract the gear failed the plt elected to land at the arpt of departure. The landing gear collapsed on…
- [NTSB NYC86LA043](https://openairdocs.org/ntsb/NYC86LA043.md): Cessna 172K · Bloomsburg, PA · Accident · Minor injuries · Limited investigation · Final report · Nov 28, 1985 · N7506G · Substantial damage
  > The acft was on an IFR flt en route to allegheny county arpt at 6000 ft when an electrical failure occurred. The plt executed a precautionary landing in a muddy fld. The nose wheel caught in mud and the acft nosed over. Examination of the electrical system…
- [NTSB CHI86IA034](https://openairdocs.org/ntsb/CHI86IA034.md): Boeing 747-251F · Glen Ellyn, IL · Incident · No injuries · Incident investigation · Final report · Nov 28, 1985 · N619US · Minor damage
  > During climb a bang was heard and the aircraft shuddered. The crew stated that the number three engine oil pressure and oil quantity indicated low. The fire warning light and bell activvated. The engine was shut down and the aircraft landed without further…
- [NTSB DEN86IA026](https://openairdocs.org/ntsb/DEN86IA026.md): North American NA-265-40 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Nov 22, 1985 · N1909D · Minor damage
  > After to from a snow covered rw, the lg dwn and locked lights in the cockpit remained illuminated on lg retract the crew did not recognize this as a log gear ino sys malfunction nor were they familiar with the correct proc to lower lg when this malfunction…
- [NTSB CHI86LA032](https://openairdocs.org/ntsb/CHI86LA032.md): Rockwell 112 · Pekin, IL · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 1985 · N10285 · Substantial damage
  > Following a top overhaul of the engine a test flight was planned to break in the cylinders and rings. Prior to this flight the engine was operated for a short period on the ground then shut down and checked for oil leaks with negative results. The takeoff and…
- [NTSB MIA86LA030](https://openairdocs.org/ntsb/MIA86LA030.md): Cessna 210M · Ft.Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Nov 19, 1985 · N823AR · Substantial damage
  > While in cruise flight the pilot attempted to lower the landing gear and the right main landing gear would not extend. During this process the aircraft generator went off the line. The pilot attempted to manually lower the landing gear and extended the nose…
- [NTSB DEN86LA025](https://openairdocs.org/ntsb/DEN86LA025.md): Balloon Works Firefly 6B · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · Nov 17, 1985 · N4052K · Substantial damage
  > The plt stated that while on a Balloon flt, the blast valve, which operates the burner flame, stuck open during one of the burns. The plt attempted unsuccessfully to disengage the blast valve. When the plt could not stop the flame with the blast valve, he…
- [NTSB LAX86LA041](https://openairdocs.org/ntsb/LAX86LA041.md): Cessna 177A · Springerville, AZ · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 1985 · N30351 · Substantial damage
  > The plt stated that the eng oil pressure dropped to zero while the acft was in cruise flight. He selected an open field in which to make a precautionary landing. He said that as he approached the field the acft entered a downdraft. He stated he had reduced…
- [NTSB DEN86FA023](https://openairdocs.org/ntsb/DEN86FA023.md): Beech A45 · Albuquerque, NM · Accident · Serious injuries · Field investigation · Final report · Nov 15, 1985 · N422NM · Substantial damage
  > While maneuvering to enter traffic at alameda arpt, the plt experienced severe acft vibrations. He attempted but was not able to reach the arpt due to rapid loss of airspeed andaltitude. The acft crashed 1/2 mile from the landing rwy. The one pax and a…
- [NTSB ATL86FMG04](https://openairdocs.org/ntsb/ATL86FMG04.md): Cessna 177RG · Kenansville, NC · Accident · No injuries · Final report · Nov 11, 1985 · N2012Q · Substantial damage
  > The acft contacted two piles of dirt during a gear-up landing. The plt took off with intensions of practicing touch and go landings. On the second apch, the plt was unable to fully extend the landing gear. The plt had one passenger check the hydraulic fluid…
- [NTSB NYC86LA028](https://openairdocs.org/ntsb/NYC86LA028.md): Piper PA-32-300 · New York, NY · Accident · No injuries · Limited investigation · Final report · Nov 2, 1985 · N4007W · Substantial damage
  > According to the pilot, the purpose of the flight was to provide the student with night flying instruction. The preflight and run up revelaed no discrepancies and 10 quarts of oil were determined to be in the engine. The aircraft proceeded south along the…
- [NTSB FTW86FA023](https://openairdocs.org/ntsb/FTW86FA023.md): Cessna 152 · Arcadia, LA · Accident · 2 fatal · Field investigation · Final report · Nov 2, 1985 · N93527 · Destroyed
  > The instrument flight instructor and student experienced a directional gyro failure. They covered the instrument and requested a return to their departure point. The aircraft was not equipped to fly the published approach. They requested a descent to an…
- [NTSB CHI86LA022](https://openairdocs.org/ntsb/CHI86LA022.md): Cessna 182N · Kenosha, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 2, 1985 · N92302 · Destroyed
  > According to the pilot the flight from toledo to the kenoshaarea was uneventful. During the VOR approach to rwy 14 (approx 2 miles from the end of the runway) the aircraft impacted the ground and was destroyed. The pilot stated that the last thing he rembered…
- [NTSB DEN86LA016](https://openairdocs.org/ntsb/DEN86LA016.md): Hiller UH-12E · Vernal, UT · Accident · No injuries · Limited investigation · Final report · Nov 1, 1985 · N400AH · Substantial damage
  > The plt stated he had just departed a site located on top of a mountain, which is approximately 12,200 ft MSL. The pilot said 30 seconds later, the helicopter lost partial power. Requiring him to make a force landing. The inspection of the turbocharger…
- [NTSB CHI86LA021](https://openairdocs.org/ntsb/CHI86LA021.md): Eagle DW-1 · Bangor, MI · Accident · No injuries · Limited investigation · Final report · Oct 30, 1985 · N8807Z · Substantial damage
  > The acft nosed over after landing on a grass landing strip. The pilot stated the tail came up and the aircraft flipped over on its back after left brake was applied. An examination of the landing gear and brakes revealed that the right brake was released but…
- [NTSB MKC86IA018](https://openairdocs.org/ntsb/MKC86IA018.md): SAAB-Fairchild SF340A · Lincoln, NE · Incident · No injuries · Incident investigation · Final report · Oct 29, 1985 · N342AM · No damage
  > During landing roll at the Lincoln airport, the outboard wheel of the left main landing gear separated from the axle. The acft was not hampered in its landing roll and taxithe landing gear assembly revealed that a retaining nut washer was not installed on…
- [NTSB ATL86MA011](https://openairdocs.org/ntsb/ATL86MA011.md): Beech 58P · Forsyth, GA · Accident · 2 fatal · Major investigation · Final report · Oct 27, 1985 · N583AM · Destroyed
  > The flt was normal until the plt was tracking inbnd on the atlanta (atl) 128 deg radial twd the husky intxn & was told to make a 360 deg turn for spacing. After aprx 270 deg of turn, the plt was clrd to turn back inbnd, join the atl 128 deg radial & cont to…
- [NTSB NYC86LA020](https://openairdocs.org/ntsb/NYC86LA020.md): Piper PA-15 · Lee Center, NY · Accident · No injuries · Limited investigation · Final report · Oct 26, 1985 · N4499H · Substantial damage
  > The acft experienced a loss of control during an apch to the plt's pvt airstrip. After a pleasure flt of one-half hour, with no reported problems the acft returned to the arpt. On about a one-half mile final, the acft entered a steep left turn at about a 60…
- [NTSB FTW86LPA01](https://openairdocs.org/ntsb/FTW86LPA01.md): Cessna 150M · Arlington, TX · Accident · No injuries · Final report · Oct 26, 1985 · N704MA · Substantial damage
  > The acft nosed over over in a fld during a forced landing. The plt reported that the cockpit began filling with smoke shortly after takeoff. Shortly thereafter the eng quit. The acft traveled aprx 700 ft during the landing roll before the nose gear dug into…
- [NTSB LAX86LA023](https://openairdocs.org/ntsb/LAX86LA023.md): Piper J3 · Green Valley, AZ · Accident · No injuries · Limited investigation · Final report · Oct 24, 1985 · N33461 · Substantial damage
  > On oct 24, 1985, a Piper J3 cub,N33461, made an emergency landing in rough, open terrain near Green Valley, AZ. After experiencing a loss of engine power the ac sustained substantial damage and the pvt plt was not injured. The investigation revealed that the…
- [NTSB ATL86FLQ03](https://openairdocs.org/ntsb/ATL86FLQ03.md): Piper PA-28RT-201T · Hopkinsvile, KY · Accident · Minor injuries · Final report · Oct 23, 1985 · N8277Y · Substantial damage
  > The acft had electrical failure during an IFR flt and radio/radar contact was lost. The plt said he was in & out of the clouds during the final stages or the x-country flt. The cloud ceiling was about 800 ft where he finally descended & landed in a soybean…
- [NTSB BFO86LA004](https://openairdocs.org/ntsb/BFO86LA004.md): Stinson 108-1 Voyager · The Plains, VA · Accident · No injuries · Limited investigation · Final report · Oct 19, 1985 · N8422K · Substantial damage
  > While flying straight and level at 3100 feet MSL, over Virginia route 66 and route 245, the engine began to vibrate to the extent that the plt thought that it might separate from the airframe. The plt selected a field and set up an approach. On final, the plt…
- [NTSB FTW86FA016](https://openairdocs.org/ntsb/FTW86FA016.md): Bell 222A · Charenton, LA · Accident · No injuries · Field investigation · Final report · Oct 17, 1985 · N5013H · Substantial damage
  > The helicopter had just completed a phase two check, twenty minutes into the flight the occupants heard a loud noise and a severe one-to-one vibration ensued. A successful emergency landing was performed. Examination revealed that one swash plate drive link…
- [NTSB MKC86LA006](https://openairdocs.org/ntsb/MKC86LA006.md): Beech A36 · Chesterfield, MO · Accident · No injuries · Limited investigation · Final report · Oct 12, 1985 · N72060 · Substantial damage
  > The pilot was on an IFR flight plan flight when the engine alternator failed and the aircraft battery became so depleted that the nav and com equipment failed. Pilot was able to descend to VFR conditions. He stated he used the checklist to manually extend the…
- [NTSB MIA86LA010](https://openairdocs.org/ntsb/MIA86LA010.md): Cessna 152 · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Oct 12, 1985 · N4802B · Substantial damage
  > The plt experienced nose wheel shimmy during the landing roll. He then applied back pressure and the acft ballooned back into the air. The acft landed on the nose wheel damaging the prop & nose gear.
- [NTSB FTW86LA006](https://openairdocs.org/ntsb/FTW86LA006.md): Fairchild F-27 · Houston, TX · Accident · No injuries · Limited investigation · Final report · Oct 7, 1985 · N4302F · Substantial damage
  > Acft veered left off the runway shortly after touchdown, collapsing the nose gear. Winds at the time would have resulted in direct crosswind of 9 kns. The crew that was contracted to ferry the acft noted, when they picked it up, that there were several open…
- [NTSB MIA86LA006](https://openairdocs.org/ntsb/MIA86LA006.md): North American Navion · Tallahassee, FL · Accident · No injuries · Limited investigation · Final report · Oct 5, 1985 · N4007K · Substantial damage
  > The plt stated that while doing touch-and-go landings at quincy, FL, the left main strut fell off the acft. He then returned to Tallahassee and made an intentional gear-up landing. Examination of the main landing gear scissor ass'y revealed that it failed due…
- [NTSB MIA86IA001](https://openairdocs.org/ntsb/MIA86IA001.md): Piper PA-32-300 · Jacksonville, FL · Incident · No injuries · Incident investigation · Final report · Oct 4, 1985 · N8614N · Minor damage
  > After departure flight experienced loss of engine power and visible smoke coming from the windshield exhaust ducts. The engine subsequently failed but the pilot was able to regain power and return to the airport for a normal landing. Post landing inspection…
- [NTSB DEN85IA250](https://openairdocs.org/ntsb/DEN85IA250.md): Boeing 727-100 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Sep 30, 1985 · N721PC · Minor damage
  > During gear extn for lndg, the flt crew noted a 'loud & very noticeable jolting of the acft.' Shortly thereafter, they also noticed that a portion of the right main gear had punctured the upper surface of the rgt wing. The crew then declared an emergency &…
- [NTSB SEA85FA228](https://openairdocs.org/ntsb/SEA85FA228.md): Teratorn Tierra II · Post Falls, ID · Accident · 2 fatal · Field investigation · Final report · Sep 29, 1985 · UNREG · Destroyed
  > The acft contacted the terrain in an uncontrolled descent following an inflt separation of the left wing. A witness stated the left wing separated as the acft was being maneuvered in a race track pattern using bank angles of 45 degs. The wife of the acft…
- [NTSB MIA85LA262](https://openairdocs.org/ntsb/MIA85LA262.md): Cessna 172N · Hollywood, FL · Accident · No injuries · Limited investigation · Final report · Sep 24, 1985 · N4688D · Substantial damage
  > The plt stated that shortly after takeoff from ft. lauderdale, he felt a severe vibration and shut down the eng and made a emerg landing in an open field. Post crash investigation revealed that one propeller blade separated aprx one foot from the hub.…
- [NTSB LAX85LA400](https://openairdocs.org/ntsb/LAX85LA400.md): Bell 47G-2 · Watsonville, CA · Accident · No injuries · Limited investigation · Final report · Sep 21, 1985 · N2874B · Substantial damage
  > During an ag flt, at abt 5 ft AGL, the plt heard a loud bang, the eng oversped, & all pwr to the rotor blades was lost. The plt attempted to immediately land in the underlying field, but had insufficient altitude/airspeed to autorotate. The acft touched down,…
- [NTSB LAX85LA397](https://openairdocs.org/ntsb/LAX85LA397.md): Cessna 182P · Mammoth Lakes, CA · Accident · No injuries · Limited investigation · Final report · Sep 20, 1985 · N7208N · Substantial damage
  > The plt stated that the afct's throttle stuck in the full power position. He shut the engine down using the mixture control, but misjudged his altitude, stalled the aircraft & crashed short of the runway. The condition of the wreckage precluded determination…
- [NTSB DEN85LA244](https://openairdocs.org/ntsb/DEN85LA244.md): Cessna 425 · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Sep 19, 1985 · N1222B · Substantial damage
  > The plt said he made a normal ldg. During ldg roll the left brake would not respond to pedal application. The plt errored by incorrectly feathering both props. The a/c went off the eng of r/w and struck a fence. Examination of the brake system revealed a…
- [NTSB SEA85FA217](https://openairdocs.org/ntsb/SEA85FA217.md): Ercoupe 415-C · Orchards, WA · Accident · 1 fatal · Field investigation · Final report · Sep 18, 1985 · N93848 · Destroyed
  > The pvt plt was observed executing a wings level pull-up from a dive during which, the witness reported, the wing tips began fluttering. Immediately thereafter, both wings separated in positive overload. Visual meteorological conditions existed in the area of…
- [NTSB CHI85FER02](https://openairdocs.org/ntsb/CHI85FER02.md): Grumman 164A · Becker, MN · Accident · No injuries · Final report · Sep 18, 1985 · N48405 · Substantial damage
  > The plt reported the eng pwr dropped from 2000 to 1550 RPM during the aerial application flt. The plt increased throttleand advanced the prop with no increase in pwr. The acft then settled to ground impact and nosed over. Post accident inspection disclosed…
- [NTSB ANC85LA177](https://openairdocs.org/ntsb/ANC85LA177.md): Cessna A185F · Cordova, AK · Accident · No injuries · Limited investigation · Final report · Sep 15, 1985 · N80124 · Substantial damage
  > The plt stated that prior to landing, the acft's right brake had no pressure. He reported that after he landed, the tail wheel began to shimmy & the acft pulled to the left. He applied full right rudder, but was unable to prevent the acft from ground looping…
- [NTSB ATL85MA275](https://openairdocs.org/ntsb/ATL85MA275.md): Smith, Ted Aerostar Aerostar 600 · Eva, AL · Accident · 6 fatal · Major investigation · Final report · Sep 13, 1985 · N680CC · Destroyed
  > Drg an IFR arrival/dscnt, the plt stated he 'had to feather 1 eng, I have an oil leak & I'm just trying to dscnd...' He then said he was dscndg thru 5300'. As he contd the apch, he informed the controller he would be unable to go around since the hydr sys…
- [NTSB NYC85LA234](https://openairdocs.org/ntsb/NYC85LA234.md): Piper PA-32-260 · East Swanzey, NH · Accident · No injuries · Limited investigation · Final report · Sep 12, 1985 · N42722 · Destroyed
  > The acft was preflighted & determined to have 10 qts of oil in the eng. While climbing thru about 1000 ft MSL after takeoff, the propeller RPM began rising to the redline. The plt reduced power & proceeded to make an emerg landing. During a turn toward the…
- [NTSB LAX85IA396](https://openairdocs.org/ntsb/LAX85IA396.md): North American SNJ-4 · Reno, NV · Incident · No injuries · Incident investigation · Final report · Sep 12, 1985 · N86WW · Minor damage
  > The pilot experienced a 'severe vibration' and made an emergency landing during a heat race at the national championship air races. Subsequent examination revealed that a propeller blade pitch change bolt, p/n 53546, had failed, allowing one propeller blade…

Next page: https://openairdocs.org/ntsb.md?year=1985&occurrence=130&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") = 1985
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&year=1985

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