# NTSB investigations: Continental IO-520 series, 1986

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 2 · 72 cases

## Latest cases

- [NTSB ANC87LA022](https://openairdocs.org/ntsb/ANC87LA022.md): Cessna 206 · Ruby, AK · Accident · No injuries · Limited investigation · Final report · Dec 22, 1986 · N734WE · Substantial damage
  > The pilot stated that during the landing roll on the frozen river, he lost control of the aircraft causing the aircraft to ground loop.
- [NTSB MIA87FA047](https://openairdocs.org/ntsb/MIA87FA047.md): Beech C-55 · Ivel, KY · Accident · 1 fatal · Field investigation · Final report · Dec 10, 1986 · N7975M · Destroyed
  > The plt who was originally scheduled to make the charter flt to pick up the pax was reluctant to do so due to low ceilings in the mountainous area at the destination. The owner of the company took the flt & the flt was observed by witnesses near the…
- [NTSB ANC87LA018](https://openairdocs.org/ntsb/ANC87LA018.md): Cessna U206G · Uganik Pass, AK · Accident · No injuries · Limited investigation · Final report · Dec 4, 1986 · N4736U · Substantial damage
  > The pilot stated that he encountered a complete white-out condition; he started a turn to the left and struck the top of the ridge at the 1780 foot level.
- [NTSB ANC87LA017](https://openairdocs.org/ntsb/ANC87LA017.md): Cessna 185 · Skwentna, AK · Accident · Minor injuries · Limited investigation · Final report · Dec 3, 1986 · N6992N · Substantial damage
  > The pilot lost directional control of the aircraft on touchdown. Examination of the brake system revealed the left brake was frozen.
- [NTSB ANC87LA015](https://openairdocs.org/ntsb/ANC87LA015.md): Cessna 207A · Manokotak, AK · Accident · No injuries · Limited investigation · Final report · Nov 19, 1986 · N1763U · Substantial damage
  > The pilot stated that he lost directional control of the aircraft on the takeoff roll. The aircraft exited the departure end of the runway into the open tundra.
- [NTSB SEA87LA021](https://openairdocs.org/ntsb/SEA87LA021.md): Bellanca BL17-30 · Beatty, NV · Accident · Serious injuries · Limited investigation · Final report · Nov 8, 1986 · N4797V · Substantial damage
  > While in cruise at 11,500 ft MSL, fuel pressure and engine pwr were lost. Plt tried variations of fuel tank selections and boost pump with no success. During forced landing attempt at remote airstrip, plt misjudged approach, stalled acft about 100 yds short…
- [NTSB CHI87LA020](https://openairdocs.org/ntsb/CHI87LA020.md): Cessna 310R · Belvidere, IL · Accident · No injuries · Limited investigation · Final report · Nov 8, 1986 · N6096C · Substantial damage
  > During takeoff roll, the acft door popped open at a point too late to abort the takeoff. The PIC tried to hold the door closed while the second plt flew the acft around the traffic pattern. Just prior to touchdown, the door opened wider and the PIC reached to…
- [NTSB LAX87FA200](https://openairdocs.org/ntsb/LAX87FA200.md): Bellanca 17-30A · Flagstaff, AZ · Accident · 2 fatal · Field investigation · Final report · Nov 3, 1986 · N93495 · Destroyed
  > The plt & his wife desired to return to their Flagstaff, AZ, home following a weekend at stockton, CA., & they departed sck in VFR weather conditions. The weather at the destination arpt had been below VFR minimums all morning & it was forecast to remain poor…
- [NTSB NYC87LA026](https://openairdocs.org/ntsb/NYC87LA026.md): Cessna U206F · Marshfiled, MA · Accident · No injuries · Limited investigation · Final report · Oct 29, 1986 · N9585G · Substantial damage
  > Electrical failure occurred in flight due to an alternator belt failure. The acft landed in the grass beside the rwy and was damaged. The landing was difficult due to darkness, fog and no lights. The plt tried to use flaps but failed due to no elec power. The…
- [NTSB CHI87LA014](https://openairdocs.org/ntsb/CHI87LA014.md): Beech V35A · La Pointe, WI · Accident · No injuries · Limited investigation · Final report · Oct 24, 1986 · N8360N · Substantial damage
  > The acft struck a deer during the landing flare. The plt was able to maintain control of the acft and complete the landing even though the acft sustained substantial damage to the right wing and its associated structure.
- [NTSB NYC87FA015](https://openairdocs.org/ntsb/NYC87FA015.md): Cessna 185 · Greenville, ME · Accident · 1 fatal · Field investigation · Final report · Oct 15, 1986 · N61438 · Substantial damage
  > Th plt stated that the acft encountered crosswinds of 20 KTS gusting to 30 KTS as the acft was coming off the step during liftoff in the open lake. The acft's right wing was forced down, the right float struck the water which resulted in the right wing…
- [NTSB FTW87DRD01](https://openairdocs.org/ntsb/FTW87DRD01.md): Cessna A188B · Gilbert, LA · Accident · No injuries · Final report · Oct 6, 1986 · N53137 · Substantial damage
  > The acft was conducting aerial application operations when a decrease in fuel pressure and engine surging occurred. Examination failed to reveal a reason for the loss of fuel pressure and the subsequent surging of the engine. The emergency landing had to be…
- [NTSB ANC86LA165](https://openairdocs.org/ntsb/ANC86LA165.md): Cessna A185F · Hanning Bay, AK · Accident · No injuries · Limited investigation · Final report · Sep 25, 1986 · N4611E · Substantial damage
  > The pilot reported that during a landing, the airplane encountered a strong, gusty crosswind just after touchdown, then nosed over. The wind was reported to be from the northwest at 5 KTS with gusts and light turbulence.
- [NTSB DEN86LA257](https://openairdocs.org/ntsb/DEN86LA257.md): Beech V35 · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Sep 21, 1986 · N50BD · Substantial damage
  > The plt landed hard at the abq municipal arpt. The plt said he had runaway trim causing loss of control. The pax felt the plt lost control due to temporary physical incapacitation. Exam of the flt control system revealed no evidence of a flt control system…
- [NTSB DEN86LA255](https://openairdocs.org/ntsb/DEN86LA255.md): Beech B58 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Sep 19, 1986 · N9025V · Substantial damage
  > The pilot stated that during the landing roll he inadertently retracted the landing gear along with the flaps.
- [NTSB CHI86LA227](https://openairdocs.org/ntsb/CHI86LA227.md): Bellanca 17-30A · Grosse Ile, MI · Accident · No injuries · Limited investigation · Final report · Sep 18, 1986 · N28208 · Substantial damage
  > The pilot stated that he had a habit of landing left of the centerline. While landing with a right crosswind, the aircraft drifted to the left and the left wing struck three construction sawhorses, placed off the left side of the runway.
- [NTSB MIA86LA249](https://openairdocs.org/ntsb/MIA86LA249.md): Cessna A188B · Newberry, FL · Accident · No injuries · Limited investigation · Final report · Sep 13, 1986 · N4892R · Substantial damage
  > The plt stated that while spraying a field he experienced an eng problem and while attempting a precautionary landing in a cow pasture his left main gear hit a hole and collapsed. Post crash examination of the eng revealed that the linkage on the throttle…
- [NTSB NYC86FA234](https://openairdocs.org/ntsb/NYC86FA234.md): Cessna U206F · Holoyoke, MA · Accident · Serious injuries · Field investigation · Final report · Sep 11, 1986 · N8316Q · Substantial damage
  > While en route at 6000 ft, the acft lost power. The plt descended through a scattered layer of clouds and made a forced landing in a grass covered field 1 1/2 miles north of barnes municipal airport, shearing off the nose gear and coming to rest inverted.…
- [NTSB SEA86LA241](https://openairdocs.org/ntsb/SEA86LA241.md): Cessna 185 · St. John, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1986 · N2262T · Substantial damage
  > After running a fuel tank dry in flight, the plt switched fuel tanks but failed to assure that the fuel selector was in the detent. The engine quit running and a forced landing was made in rough terrain.
- [NTSB ATL86LA244](https://openairdocs.org/ntsb/ATL86LA244.md): Cessna A188B · Screven, GA · Accident · No injuries · Limited investigation · Final report · Sep 6, 1986 · N9351R · Substantial damage
  > The plt was making a landing on an unpaved road near the aerial application site. He reported that the spray boom contacted peanut vines causing the acft to ground loop. The plt stated that he 'might have had a small bank to the right' at the time. The wind…
- [NTSB ANC86LA140](https://openairdocs.org/ntsb/ANC86LA140.md): Cessna 182 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Aug 30, 1986 · N5227R · Substantial damage
  > The pilot stated that he lost control of the aircraft; the aircraft stalled on takeoff and the aircraft struck the lake and rolled over on the gravel bar.
- [NTSB ATL86FA223](https://openairdocs.org/ntsb/ATL86FA223.md): Bellanca 17-30 · West Green, GA · Accident · 2 fatal · Field investigation · Final report · Aug 21, 1986 · N6655V · Destroyed
  > The plt took off at 1259 EDT, & at 1318, he reported level at 10,000'. There was no further comm with the acft. At about 1342, radar contact was lost. Subsequently, the acft wreckage was fnd scattered over a 425 yd area, along a sw azmith, aprx 1/2 mi from…
- [NTSB SEA86LA201](https://openairdocs.org/ntsb/SEA86LA201.md): Cessna 210F · Lages, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1986 · N1873F · Substantial damage
  > The plt was unable to divert around numerous thunderstorms along in his flight path. Subsequently, he made a precautionary landing on a soft, dry lake bed were the aircraft nosed over.
- [NTSB FTW86LA150](https://openairdocs.org/ntsb/FTW86LA150.md): Cessna U206F · Matagorda Is., TX · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1986 · N147ED · Substantial damage
  > The pilot was making a beach landing when the nose wheel struck an object in the sand, causing the nose wheel to collapse and the aircraft to nose over into an inverted position.
- [NTSB ANC86FA126](https://openairdocs.org/ntsb/ANC86FA126.md): Cessna 185 · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Aug 16, 1986 · N1802R · 2 aircraft · Minor damage
  > The plts of Cessna 185 (C-185), N1802R, & Cessna 180 (C-180), N9418C, received clearance fm ground control to taxi to rwy 32 via taxiway-n (twy-n). Both acft were tailwheel (conventional gear) equipped. As the C-185 was proceeding along twy-n, the C-180 plt…
- [NTSB SEA86LA198](https://openairdocs.org/ntsb/SEA86LA198.md): Cessna 188 · Easton, WA · Accident · No injuries · Limited investigation · Final report · Aug 14, 1986 · N5506S · Substantial damage
  > The tow plane with glider attached began losing pwr at aprx 50 ft AGL during takeoff. The tow plt signaled the glider plt for tow release. The two plts landed on the remaining rwy. The tow plane skidded into the trees off the end of the rwy. Investigation…
- [NTSB LAX86LA321](https://openairdocs.org/ntsb/LAX86LA321.md): Cessna A185F · Chester, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 1986 · N7373H · Substantial damage
  > After servicing the aircraft's fuel tanks to their 80 gallon capacity the pilot, his instructor pilot, and their passenger back taxied approximately 1,300 feet from the departure end of the rwy and started their takeoff. When the aircraft failed to climb…
- [NTSB MIA86LA234](https://openairdocs.org/ntsb/MIA86LA234.md): Beech F-33-C · Live Oak, FL · Accident · No injuries · Limited investigation · Final report · Aug 12, 1986 · N58MC · Substantial damage
  > Plt noted approaching thunderstorm to east and elected to depart to the west due to the current wind being calm. During the takeoff roll a sudden gust from the left rear caused the pilot to loose directional control and the aircraft went off the left side of…
- [NTSB DEN86LA230](https://openairdocs.org/ntsb/DEN86LA230.md): Cessna A188B · Langdon, ND · Accident · No injuries · Limited investigation · Final report · Aug 10, 1986 · N2417J · Substantial damage
  > While ground taxiing for takeoff the acft left main gear brake failed. During the ensuing right ground loop the left main gear collapsed and the left wing impacted the asphalt taxiway.
- [NTSB SEA86FA194](https://openairdocs.org/ntsb/SEA86FA194.md): Cessna 310C · Vancouver, WA · Accident · 1 fatal · Field investigation · Final report · Aug 6, 1986 · N310MT · Destroyed
  > Plt not IFR rated. Attempted departure from own airstrip in fog during early dawn. Positive rate of climb not established. Acft contacted terrain 3/4 mile from runway end. Psgrs reported no sensation of power probs, but complete loss of ground ref at liftoff.…
- [NTSB SEA86LA192](https://openairdocs.org/ntsb/SEA86LA192.md): Cessna 185FII · Reno, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 4, 1986 · N185M · Destroyed
  > Plt attempted takeoff with acft 540 pounds over max cert wt and 8500 ft density altitude conditions. Acft became airborne but positive climb and airspeed increase not possible. Plt turned to avoid obstructions, putting acft into semi-controlled collision with…
- [NTSB ANC86LA121](https://openairdocs.org/ntsb/ANC86LA121.md): Cessna U206 · Egegik, AK · Accident · No injuries · Limited investigation · Final report · Aug 4, 1986 · N9188M · Substantial damage
  > The pilot stated that during the landing rollout on the gravel bar he lost control of the aircraft causing the plane to nose over on its back.
- [NTSB CHI86LA188](https://openairdocs.org/ntsb/CHI86LA188.md): Bellanca 17-30 · Winneconne, WI · Accident · No injuries · Limited investigation · Final report · Jul 27, 1986 · N4865V · Substantial damage
  > While landing, the plt failed to maintain directional control. Subsequently, the acft went off the right side of the rwyand entered a skid. The left main gear collapsed, then the nose gear collapsed.
- [NTSB MKC86LA152](https://openairdocs.org/ntsb/MKC86LA152.md): Cessna 188 · Jonesboro, AR · Accident · No injuries · Limited investigation · Final report · Jul 21, 1986 · N4483Q · Substantial damage
  > The acft was engaged in spraying a rice field when, according to the plt, a total loss of power occurred. The acft was subsequently damaged during a forced landing in an open field. Due to the lack of fuel which he observed after the accident, the acft owner…
- [NTSB ANC86LA106](https://openairdocs.org/ntsb/ANC86LA106.md): Cessna 207 · Ekuk, AK · Accident · No injuries · Limited investigation · Final report · Jul 14, 1986 · N1704U · Substantial damage
  > The pilot stated that during the approach to landing, the aircraft struck a tree stump short of the approach end of the runway.
- [NTSB MIA86LA201](https://openairdocs.org/ntsb/MIA86LA201.md): Beech 36 · Marco Island, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1986 · N9031S · Destroyed
  > During landing apch, the plt stated that he switched from the left fuel tank to the right tank & shortly thereafter, the eng failed. He was unable to restart the eng and a forced ldg was made. An exam of the left tank revealed it to be empty while the right…
- [NTSB MIA86LA197](https://openairdocs.org/ntsb/MIA86LA197.md): Cessna T210H · Cedar Key, FL · Accident · No injuries · Limited investigation · Final report · Jul 3, 1986 · N2228R · Substantial damage
  > The student plt stated that he overflew the arpt to observe the direction of the wind as indicated by the wind sock. When he was unable to locate it, a landing was made on rwy 5 with a left quartering tailwind. Unable to stop, the acft left the rwy struck a…
- [NTSB SEA86LA156](https://openairdocs.org/ntsb/SEA86LA156.md): Cessna 188 · Durkee, OR · Accident · No injuries · Limited investigation · Final report · Jun 28, 1986 · N4835Q · Substantial damage
  > While crossing a mountain ridge at low altitude, the aircraft encountered downdrafts. The pilot was forced to land as he was unable to arrest the descent rate. The landing was accomplished onto very rough terrain.
- [NTSB CHI86LA163](https://openairdocs.org/ntsb/CHI86LA163.md): Beech 58 · Terre Haute, IN · Accident · No injuries · Limited investigation · Final report · Jun 28, 1986 · N29CP · Substantial damage
  > The plt stated his left brake failed during landing roll on the 3,200 ft long rwy. The landing was made with a 20 deg right quartering 10 knot tailwind. To prevent running off the departure end of the rwy in to a 50 ft dropoff, the plt ground looped the acft…
- [NTSB MIA86LA186](https://openairdocs.org/ntsb/MIA86LA186.md): Cessna U206F · Ft. Myers, FL · Accident · No injuries · Limited investigation · Final report · Jun 21, 1986 · N1372V · Substantial damage
  > The private pilot had just completed a short no-radio night flight and during the landing roll the nose gear wheel assembly separated from the aircraft. Examination revealed that the wrong nuts had been installed on the wheel assembly at the last annual…
- [NTSB FTW86FA115](https://openairdocs.org/ntsb/FTW86FA115.md): Cessna P206C · Grand Chenier, LA · Accident · 1 fatal · Field investigation · Final report · Jun 16, 1986 · N8621Z · Destroyed
  > The aircraft impacted the marshy terrain while in a very shallow descent and wings level attitude and at a relatively high speed (I.e.,cruise). It then cartwheeled and slid to a stop. There was evidence of substantial engine power being developed at impact.…
- [NTSB ANC86LA079](https://openairdocs.org/ntsb/ANC86LA079.md): Cessna 185F · Naknek, AK · Accident · No injuries · Limited investigation · Final report · Jun 16, 1986 · N70438 · Substantial damage
  > Airplane ran out of fuel on one tank. Altitude was too low to restart on other tank prior to ground impact.
- [NTSB CHI86FEM07](https://openairdocs.org/ntsb/CHI86FEM07.md): Cessna 188B · Bay City, MI · Accident · No injuries · Final report · Jun 14, 1986 · N53140 · Destroyed
  > During an ag spray operation, the plt flew over the area before starting his swath runs. On his first run, he flew over wires at the end of the field. On the return swath run, he attempted to fly under the wires. While doing so, the acft struck a newly…
- [NTSB FTW86LA109](https://openairdocs.org/ntsb/FTW86LA109.md): Cessna 206 · Tahoka, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 12, 1986 · N5195U · Substantial damage
  > The acft nosed over during a forced landing in a fld following a loss of pwr due to fuel exhaustion. The plt reported that after aprx 9 minutes of flt a total loss of pwr was experienced. The plt selected an open fld in which to land. The nose gear sunk in…
- [NTSB ATL86LA166](https://openairdocs.org/ntsb/ATL86LA166.md): Cessna A188B · Magnolia Spring, AL · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1986 · N9105R · Substantial damage
  > During a spray run the plt attempted to climb over a tall tree, the acft failed to clear the tree which was contacted with the right wing. The acft then crash landed in a field. The acft was observed to stagger during several turns earlier in the operation.…
- [NTSB FTW86LA095](https://openairdocs.org/ntsb/FTW86LA095.md): Cessna A185F · Orange Grove, LA · Accident · Minor injuries · Limited investigation · Final report · May 31, 1986 · N96158 · Destroyed
  > During a part 135 check ride, the check plt had the plt execute a pwr off landing from an alt of 150 ft AGL. The plt reacted to the pwr loss by attempting a left turn to land. The acft then stalled and impacted the ground after the failure maintain airspeed.
- [NTSB ATL86LA136](https://openairdocs.org/ntsb/ATL86LA136.md): Beech A36 · Swansboro, NC · Accident · No injuries · Limited investigation · Final report · May 20, 1986 · N103SM · Substantial damage
  > The plt reported that the acft touched down about 700 ft down the 2700 ft sod rwy. The rwy was wet from rain and braking action was nil. The plt elected to stay on the rwy and continue braking efforts. The acft slid off the rwy end into a drainage ditch. The…
- [NTSB CHI86FER08](https://openairdocs.org/ntsb/CHI86FER08.md): Cessna A188B · Montevideo, MN · Accident · No injuries · Final report · May 19, 1986 · N9496G · Substantial damage
  > During takeoff roll from a roadway the wind shifted from a headwind to a tailwind. The pilot of this crop duster turned to avoid a stop sign on the roadway and allowed his landing gear to touch down on a crossing roadway. The aircraft then flipped over onto…
- [NTSB LAX86FA222](https://openairdocs.org/ntsb/LAX86FA222.md): Cessna 320D · Van Nuys, CA · Accident · 6 fatal · Field investigation · Final report · May 18, 1986 · N320SD · Destroyed
  > The acft was returning from a x-country flt when the accident occurred. Witnesses observed the acft on a low downwind leg and made two sudden steep turns, one to the east followed by a sudden steep turn to the north prior to a nose down impact into the…
- [NTSB MKC86LA105](https://openairdocs.org/ntsb/MKC86LA105.md): Beech A36 · Mountain Home, AR · Accident · No injuries · Limited investigation · Final report · May 13, 1986 · N2015K · Substantial damage
  > The PIC rptd gear failure and gear warning horn about 5 to 10 seconds into the landing roll. The PIC rptd 3 in the green before touchdown to the rwy. Subsequent inspection of the landing gear showed no mechanical or other deficiency. Inadvertent movement of…

Next page: https://openairdocs.org/ntsb.md?engine=17032&year=1986&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") = 1986
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&year=1986

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