# NTSB investigations: 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 61 of 79 · 3,929 cases

## Cases, newest first

- [NTSB LAX86DVA09](https://openairdocs.org/ntsb/LAX86DVA09.md): Hiller UH-12E · Delano, CA · Accident · No injuries · Final report · Jun 17, 1986 · N172ET · Substantial damage
  > The helicopter rotor blade delaminated shortly after departing the operator's north base at Delano, CA. The investigation determined the blade contained extensive voids on the bond line. The blade was rejected by the manufacturer as being unairworthy. The…
- [NTSB CHI86FER11](https://openairdocs.org/ntsb/CHI86FER11.md): Bell 47G-5 · Brooten, MN · Accident · Serious injuries · Final report · Jun 17, 1986 · N8122J · Destroyed
  > According to the pilot, the helicopter collective control failed to respond to a climb input to level off after a descent for an agricultural swath run. Fire and impact damage to the helicopter was extensive, however one broken rod end in the collective…
- [NTSB MIA86MA182](https://openairdocs.org/ntsb/MIA86MA182.md): Hughes 369HE · Jacksonville, FL · Accident · 2 fatal · Major investigation · Final report · Jun 16, 1986 · N9045F · Destroyed
  > A LCL tv stn had hired the oper to provide a helicopter for use in broadcasting an airborne traffic show. The plt took off with a rprtr & a camera man aboard. Drg a live traffic rprt, the acft was hdg eastbound at slow speed ovr a downtownarea at aprx 400 ft…
- [NTSB LAX86LA252](https://openairdocs.org/ntsb/LAX86LA252.md): Piper PA-28-181 · Glendale, AZ · Accident · No injuries · Limited investigation · Final report · Jun 15, 1986 · N8156E · Substantial damage
  > The pilot said that during the takeoff roll on the 2,400 foot long runway he noticed the aircraft aceleration was slow and the airspeed was still below 55 KTS at 3/5 of the way down the runway and he elected to abort the takeoff. The aircraft overran the end…
- [NTSB DEN86FA160](https://openairdocs.org/ntsb/DEN86FA160.md): Beech C23 · Lamar, CO · Accident · Serious injuries · Field investigation · Final report · Jun 14, 1986 · N6337U · Destroyed
  > During the takeoff climb, the plt's door came open. The pvt plt with 2 hours flying experience in C-23 acft made a close in traffic pattern to return for landing. During the turn from base leg to final the nose of the acft suddenly dropped and the acft…
- [NTSB FTW86FA116](https://openairdocs.org/ntsb/FTW86FA116.md): MBB 105 · Houma, LA · Accident · 1 fatal · Field investigation · Final report · Jun 13, 1986 · N2784E · Destroyed
  > A fatigue failure in a main rotor blade pitch change link resulted in the loss of control of one blade, leading to an in flight separation of the tail boom. The helicopter was uncontrollable and pitched forward, impacting the ground inverted.
- [NTSB SEA86LA141](https://openairdocs.org/ntsb/SEA86LA141.md): Taylorcraft BCM-12D-85 · Ketchikan, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1986 · N96336 · Destroyed
  > The plt felt a sudden hard jolt while in cruise flt. The acft assumed a nose low, left wing down attitude which the plt was unable to correct by use of power and control inputs. The acft was at a low altitude due to weather. The acft impacted the water in a…
- [NTSB LAX86LA245](https://openairdocs.org/ntsb/LAX86LA245.md): Fairchild 24R-40 · Marysville, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1986 · N28509 · Substantial damage
  > The acft's left wing spar failed while the acft was in level flt. The plt was able to regain partial control of the acft and landed it in a plowed field. The acft owner reported he had previously replaced the right wing due to deterioration of the wood…
- [NTSB DEN86LA152](https://openairdocs.org/ntsb/DEN86LA152.md): Aeronca 7AC · Sisseton, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 5, 1986 · N84693 · Destroyed
  > The front seat plt, on his first flt in the acft, was flying the acft. After takeoff the acft entered a nose high attitude because the elevator trim was improperly set. The nose high attitude was corrected but the right door on the engine cowling came open…
- [NTSB SEA86FA137](https://openairdocs.org/ntsb/SEA86FA137.md): Bell UH-1L · Wenatchee, WA · Accident · 1 fatal · Field investigation · Final report · May 31, 1986 · N4964N · Destroyed
  > N4964N, a Bell UH-1L, was being operated in logging ops by an experienced, military trained plt who possessed 6000 hrs of flt experience in model. While lifting a sling load gnd crew rptd smoke from the tail rotor area. Plt released sling load & acknowledged…
- [NTSB ATL86LA150](https://openairdocs.org/ntsb/ATL86LA150.md): Cessna 150 · Cumming, GA · Accident · No injuries · Limited investigation · Final report · May 31, 1986 · N1321Q · Substantial damage
  > During a normal landing, the plt lost directional control of the acft which subsequently collided with a parked C-172. The plt reported that the right tire was inflated during the preflt inspection. Following the accident the tire was found deflated. The plt…
- [NTSB MKC86LA120](https://openairdocs.org/ntsb/MKC86LA120.md): Eagle DW-1 · Corning, AR · Accident · No injuries · Limited investigation · Final report · May 29, 1986 · N8814M · Substantial damage
  > The plt was making his second flt in this acft when the accident occurred. He failed to lock the cockpit canopy before start of takeoff roll. During the takeoff roll the canopy opened and separated from the acft. The plt diverted his attention from flying the…
- [NTSB DEN86LA145](https://openairdocs.org/ntsb/DEN86LA145.md): Mooney M20 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · May 26, 1986 · N6519B · Substantial damage
  > The plt reports that he experienced difficulty in retracting the landing gear after departure but it did retract after several attempts. He said the gear system seemed to be hanging up. Upon reaching destination the gear again seemed to hang up when extension…
- [NTSB ATL86LA143](https://openairdocs.org/ntsb/ATL86LA143.md): Aero Commander 100 · Eufaula, AL · Accident · Serious injuries · Limited investigation · Final report · May 26, 1986 · N4003X · Substantial damage
  > During a descent of 400-500 fpm at 120-125 mph the windshield blew into the aircraft. A portion of the windshield remained attached to the acft, folded up so as to jut above the cabin roof and acted as a spoiler. Level flight could not be maintained due to…
- [NTSB FTW86IA093](https://openairdocs.org/ntsb/FTW86IA093.md): Boeing 727-224 · Corpus Christi, TX · Incident · Minor injuries · Incident investigation · Final report · May 25, 1986 · N88711 · Minor damage
  > The pilot made an intentional gear-up landing (left main only) after numerous attempts to lower it were unsuccessful. The small steel nut which had jammed the left main gear door unlatching mechanism fell into that position sometime after the gear was…
- [NTSB FTW86FA091](https://openairdocs.org/ntsb/FTW86FA091.md): Aerotek Pitts S2A · Santa Fe, TX · Accident · 2 fatal · Field investigation · Final report · May 24, 1986 · N80004 · Destroyed
  > A short occurred in the aircraft's electrical system distracting the owner/pilot occupying the back seat of the aircraft. This seat was not equipped with a second lap restraint. The aircraft was observed, by witnesses, to enter a spin which went inverted. The…
- [NTSB CHI86FEV02](https://openairdocs.org/ntsb/CHI86FEV02.md): Jerry Cox Goldwing · Mattoon, IL · Accident · Serious injuries · Final report · May 24, 1986 · N85JC · Substantial damage
  > The acft was circling a racetrack at a relatively low alt, described as between 800-1500 ft AGL, with the eng throttled back. During a subsequent steep bank to the left while accelerating the left wing failed and the acft crashed into the trees.
- [NTSB SEA86LA129](https://openairdocs.org/ntsb/SEA86LA129.md): Cessna 310 · Skinner Ranch, OR · Accident · No injuries · Limited investigation · Final report · May 23, 1986 · N2634C · Substantial damage
  > The pilot elected to make a precautionary landing due to a stated electrical problem. The runway was only 30 feet wide and the aircraft struck a dirt mound to the right of the center line. The aircraft's main landing gear then collasped.
- [NTSB CHI86FEM05](https://openairdocs.org/ntsb/CHI86FEM05.md): Eagle DW-1 · Baroda, MI · Accident · No injuries · Final report · May 23, 1986 · N8807Z · Substantial damage
  > The plt shut down the acft engine after noticing oil on the canopy and a loss of oil pressure. A forced landing was performed in a corn field and the acft nosed over. Post accident inspection disclosed the oil pressure hose had ruptured.
- [NTSB ATL86IA144](https://openairdocs.org/ntsb/ATL86IA144.md): Boeing 727-295 · Nashville, TN · Incident · No injuries · Incident investigation · Final report · May 23, 1986 · N1644 · No damage
  > The flight experienced a fire warning light descending through 10500 feet for landing at Nashville. The aircraft landed without incident. The passengers evacuated the aircraft using evacuation slides. Examination of the aircraft disclosed that the detection…
- [NTSB FTW86FRG20](https://openairdocs.org/ntsb/FTW86FRG20.md): Air Tractor AT301 · Taylor, TX · Accident · No injuries · Final report · May 21, 1986 · N3168H · Substantial damage
  > Commercial pilot of an Air Tractor AT301 enroute to base of operations at Taylor, TX executed a forced landing after experiencing severe vibration in the aircraft. Landing was made to a soft field. The aircraft nosed over during landing roll and was…
- [NTSB MKC86LA115](https://openairdocs.org/ntsb/MKC86LA115.md): Cessna A185F · Bernie, MO · Accident · No injuries · Limited investigation · Final report · May 20, 1986 · N1096F · Destroyed
  > The pilot stated that they were on the takeoff roll when his seat failed and he fell backward away from the flight controls and the throttle. The airplane veered left, off the runway, crossed a small ditch, a road and then impacted in a very large drainage…
- [NTSB CHI86LA143](https://openairdocs.org/ntsb/CHI86LA143.md): Beech BE-F90 · Eaton, IN · Accident · No injuries · Limited investigation · Final report · May 20, 1986 · N960V · Substantial damage
  > The acft had made a stop at muncie to pick up a fourth passenger. After boarding, the passenger closed the cabin door. After departure and climbing thru 6,000 ft the airstair separated from the aircraft and struck the vertical stabilizer.
- [NTSB CHI86FA141](https://openairdocs.org/ntsb/CHI86FA141.md): Piper PA-34-200 · Angola, IN · Accident · 1 fatal · Field investigation · Final report · May 18, 1986 · N44603 · Destroyed
  > The pilot diverted into Angola, an airfield he had never landed at before, due to an unidentified electrical problem at night. He was given vectors to the airport and reported the field in sight. He then said he was going to circle to lose altitude prior to…
- [NTSB MIA86LA162](https://openairdocs.org/ntsb/MIA86LA162.md): Cessna 182E · Crystal River, FL · Accident · No injuries · Limited investigation · Final report · May 17, 1986 · N9218X · Substantial damage
  > The plt stated that just before descent he pushed the propeller control full forward, experienced a runaway prop and lost oil pressure. Moments later a connecting rod failure was experienced and an emergency landing was executed in amarshy area northwest of…
- [NTSB MIA86LA159](https://openairdocs.org/ntsb/MIA86LA159.md): Piper PA-24-260 · Tallahassee, FL · Accident · No injuries · Limited investigation · Final report · May 15, 1986 · N9491P · Substantial damage
  > While in the traffic pattern the acft's electrical system failed due to internal failure of the alternator. The plt failed to extend the landing gear by the emergency gear extension handle and a gear up landing resulted.
- [NTSB FTW86FA085](https://openairdocs.org/ntsb/FTW86FA085.md): Bell 206B · Pine Spring, TX · Accident · 2 fatal · Field investigation · Final report · May 12, 1986 · N27785 · Destroyed
  > The helicopter was on a flt to a site nr guadalupe pass, an area known for erratic & gusty wnds. As the plt was on an apch to a hi meadow (elev aprx 5460'), the helicopter entered a dscnt & crashed well short of the intended lndg area. A witness rprtd the…
- [NTSB MIA86LA151](https://openairdocs.org/ntsb/MIA86LA151.md): Cessna T188C · Shaw, MS · Accident · No injuries · Limited investigation · Final report · May 8, 1986 · N3041J · Substantial damage
  > The plt stated that shortly after takeoff he noticed the fuel cap was loose. He then turned downwind to land, at which time the aircraft stalled, resulting in the right wing colliding with trees.
- [NTSB MIA86LA149](https://openairdocs.org/ntsb/MIA86LA149.md): Learjet 24 · Hollywood, FL · Accident · Minor injuries · Limited investigation · Final report · May 7, 1986 · N55NJ · Substantial damage
  > The plt stated he made a normal apch and landing but on rollout discovered he had no brakes. The acft traveled off the left side of the rwy and collided with a fence surrounding a ballpark. Post crash examination of the hydraulic system revealed that the…
- [NTSB LAX86DVA07](https://openairdocs.org/ntsb/LAX86DVA07.md): Wright BD5B · Merced, CA · Accident · 1 fatal · Final report · May 4, 1986 · N357X · Destroyed
  > Ground witnesses and the pilot reported the canopy opened shortly after departing runway 30 at Merced airport, Merced, CA. The pilot executed a steep left banking turn. When the airplane turned abt 140 deg it pitched up, rolled inverted and nosed down into…
- [NTSB DEN86LA127](https://openairdocs.org/ntsb/DEN86LA127.md): Glaser-Dirks DG-400 · Longmont, CO · Accident · Minor injuries · Limited investigation · Final report · May 4, 1986 · N40Z · Substantial damage
  > This experimental glider has a stowable 2 cycle eng mounted behind the cockpit. When the eng is stowed the glide ratio is about 40:1. When the eng is deployed but not running, the glide ratio is about 10:1. While returning after a 4 hr and 50 min flt the plt…
- [NTSB DEN86LA126](https://openairdocs.org/ntsb/DEN86LA126.md): Cessna 140 · Riverton, WY · Accident · No injuries · Limited investigation · Final report · May 4, 1986 · N1949V · Substantial damage
  > The plt reports that the eng cowling came loose and he decided to land on a highway to secure the cowling. The approach was made to the west on the east/west road. The plt said the wind was from the south at 25 mph with gusts to 35 and the landing attempt…
- [NTSB CHI86FA137](https://openairdocs.org/ntsb/CHI86FA137.md): Piper PA-23-150 · Warren, MI · Accident · 1 fatal · Field investigation · Final report · May 4, 1986 · N1373P · Destroyed
  > The acft developed a small oil leak during a x-country flt. The plt reduced power to idle to conserve oil even though the oil pressure was still in the normal range. During the descent the acfts airspeed was not maintained and the acft contacted the ground in…
- [NTSB MIA86LA139](https://openairdocs.org/ntsb/MIA86LA139.md): Wing D-1 · Bunnell, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 30, 1986 · N8601E · Substantial damage
  > The plt stated that his canopy had come open and he was trying to hold it closed and make an emergency landing on runway 29 at flagler co. airport, but being too low and fast the acft struck the ground about 100 ft short of the runway and slid to a stop.
- [NTSB LAX86FVM05](https://openairdocs.org/ntsb/LAX86FVM05.md): Hiller UH12E · Castroville, CA · Accident · Minor injuries · Final report · Apr 27, 1986 · N5374V · Destroyed
  > The acft landed hard and rolled over after the lndg skid failed in a forced lndg. The plt said he was crusing at 500 ft AGL over an open field when he heard a loud bang. The helicopter began to vibrate severely and spiral to the right. The plt lost ground…
- [NTSB CHI86LA132](https://openairdocs.org/ntsb/CHI86LA132.md): Piper PA-22 · Griffith, IN · Accident · No injuries · Limited investigation · Final report · Apr 27, 1986 · N3321A · Substantial damage
  > After takeoff and while climbing through 60 ft AGL the plt could not move the aileron to recover from a 15 deg left bank. The plt reduced power and landed the acft in a left wing low attitude. The acft slid and struck a creek bank with the right wing. Post…
- [NTSB CHI86LA127](https://openairdocs.org/ntsb/CHI86LA127.md): Hughes 269A · Ft. Wayne, IN · Accident · Minor injuries · Limited investigation · Final report · Apr 23, 1986 · N8752F · Destroyed
  > Approx 10-15 minutes after takeoff the student pilot lost control of the helicopter and crash landed into trees. Following the accident, the only unusual thing FAA personnel could locate was a failed horizontal stabilizer spar. Post-crash examination of the…
- [NTSB LAX86LA126](https://openairdocs.org/ntsb/LAX86LA126.md): Piper PA28-180 · El Monte, CA · Accident · No injuries · Limited investigation · Final report · Apr 18, 1986 · N3764R · Substantial damage
  > The eng cowling opened as the acft took off. The plt slowed the acft to lower the open cowl. The acft descended into unmarked elec wires and received substantial damage. The pilot returned to arpt and landed without further incident.
- [NTSB CHI86IA121](https://openairdocs.org/ntsb/CHI86IA121.md): Boeing 727-231 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Apr 17, 1986 · N64324 · No damage
  > While taxiing for takeoff a male pax panicked and shouted 'open the door!' During a smoke-in-the-cabin occurrence (overheated a/c pack). The lead fa mistook this 'instruction' as coming from the cockpit and opened an exit door. Passengers interpreted her…
- [NTSB LAX86DVA06](https://openairdocs.org/ntsb/LAX86DVA06.md): Bell UH-1B · Chowchilla, CA · Accident · Minor injuries · Final report · Apr 16, 1986 · N910PD · Destroyed
  > While returning from a spraying operation the plt observed that the main transmission oil pressure gage indicated zero. The plt reported that the engine master caution did not illuminate and that the oil temperature gage was normal. The plt stated that he…
- [NTSB MIA86LA120](https://openairdocs.org/ntsb/MIA86LA120.md): Cessna T303 · Bunnell, FL · Accident · No injuries · Limited investigation · Final report · Apr 14, 1986 · N212ER · Substantial damage
  > While on a dual instructional flight both instructor and the student pilot noted a left brake failure on taxi to takeoff. The instructor attempted to utilize asymmetric power to steer the aircraft but could not control the turn. The aircraft ran off the edge…
- [NTSB BFO86FA023](https://openairdocs.org/ntsb/BFO86FA023.md): Piper PA-28R-200 · Camp Springs, MD · Accident · Minor injuries · Field investigation · Final report · Apr 14, 1986 · N32613 · Substantial damage
  > During a flt to prepare the student for a CFI check ride, both the student and the CFI could not obtain a green light confirming the nose gear was down and locked. After numerous attempts to assure it was down and locked the acft was landed at andrews afb.…
- [NTSB CHI86LA117](https://openairdocs.org/ntsb/CHI86LA117.md): Cessna 172-RG II · St Paul, MN · Accident · Minor injuries · Limited investigation · Final report · Apr 7, 1986 · N9538B · Substantial damage
  > During climbout after t.o. and passing thru 4000 ft smoke began to enter the cabin. Plt declared an emergency and turned toward arpt. Eng then began to shake violently. Acft was cleared to ld but plt continued to a point four mi past base leg, attempted to…
- [NTSB FTW86FA060](https://openairdocs.org/ntsb/FTW86FA060.md): Douglas DC-3C · El Paso, TX · Accident · No injuries · Field investigation · Final report · Apr 6, 1986 · N25CE · Substantial damage
  > The pilot reported that he was leveling off from climb when he experienced a prop runaway. He observed oil streaming from the left engine, but could not feather. Unable to maintain altitude with a windmilling prop, he performed a gear up emergency landing in…
- [NTSB FTW86MA058](https://openairdocs.org/ntsb/FTW86MA058.md): Israel Aircraft Industries 1124A · Redwater, TX · Accident · 7 fatal · Major investigation · Final report · Apr 5, 1986 · N50SK · Destroyed
  > Airplane crashed during a uncontrolled descent, following a turbulence upset at FL370. The upset occurred as a result of clr air turb associated with a vip lvl 6 thunderstorm located within 7 miles of the last pos of the airplane. After the upset, the…
- [NTSB SEA86LA089](https://openairdocs.org/ntsb/SEA86LA089.md): Hiller 12E · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · Mar 30, 1986 · N87595 · Destroyed
  > A catastrophic failure of the planetary gear of the transmission occurred about 51 flight hours after overhaul. During forced landing a hard landing occurred severing the tail boom. A fire then erupted.
- [NTSB DEN86LA105](https://openairdocs.org/ntsb/DEN86LA105.md): Cessna 177B · Aztec, NM · Accident · Minor injuries · Limited investigation · Final report · Mar 29, 1986 · CGIJZ · Substantial damage
  > Plt and one pax departed eston, saskatchewan at 0600, en route to guaymas, Mexico for a vacation. Acft was refueled in billings, mt at 0900 and at grand junction, CO. Plt checked wx, filed VFR flight plan and departed grand junction at 1430, en route to…
- [NTSB NYC86IA093](https://openairdocs.org/ntsb/NYC86IA093.md): Boeing 727-231 · Boston, MA · Incident · Minor injuries · Incident investigation · Final report · Mar 27, 1986 · N52311 · No damage
  > Two of 3 reqd flt attendants (f/a's) were distributing passenger (pax) coats as the acft was being taxied after lndg. Smoke fm an overheated air cond (a/c) pack bgn entering the cabin & the f/a's returned to their duty stations. The flt crew stopped the acft…
- [NTSB FTW86LA047](https://openairdocs.org/ntsb/FTW86LA047.md): Bell 206BIII · Gulf Of Mexico · Accident · No injuries · Limited investigation · Final report · Mar 26, 1986 · N3181Y · Substantial damage
  > The pilot failed to assure the cabin door was properly closed before flight, or the cabin door just popped open during flight, allowing an unsecured life vest to blow out the door and into the tail rotor blades. This resulted in the entire tail rotor assembly…
- [NTSB MIA86LA104](https://openairdocs.org/ntsb/MIA86LA104.md): Cessna 210E · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Mar 25, 1986 · N4916U · Substantial damage
  > After departure plt selected landing gear up and did not receive a gear up indication. Another aircraft flew under the aircraft and reported the nose gear and left main gear were up and that the right main gear was partially extended. When attempts to correct…

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=62

## 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" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&page=61

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