# NTSB investigations, 1985: Loss of engine power(partial) - mech failure/malf

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 · 82 cases

## Latest cases

- [NTSB ATL86IA051](https://openairdocs.org/ntsb/ATL86IA051.md): Airbus Industrie A-300 B4-203 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Dec 30, 1985 · N231 · Minor damage
  > During takeoff initial climb the aircraft experienced an uncontained failure of the no 1 engine. The pilot returned to the airport and landed without further incident. Post incident examination disclosed four broken turbine mid frame strut studs. The fracture…
- [NTSB MIA86FA033](https://openairdocs.org/ntsb/MIA86FA033.md): North American T-28A · Lantana, FL · Accident · 1 fatal · Field investigation · Final report · Nov 23, 1985 · N9867C · Destroyed
  > The pilot/mechanic had recently re-installed a rebuilt engine in the aircraft and performed a very short run-up prior to takeoff. Witnesses stated the aircraft engine made popping noises and was belching black smoke during the takeoff roll. The aircraft…
- [NTSB DEN86LA019](https://openairdocs.org/ntsb/DEN86LA019.md): Beech F33A · Santa Teresa, NM · Accident · No injuries · Limited investigation · Final report · Nov 9, 1985 · N4956M · Substantial damage
  > The plt reported the cylinder head temp began 'falling back out of green' shortly after takeoff. The plt reversed direction & landed at the arpt, but failed to extend the gear, substantially damaging the acft. The investigation of theeng revealed the exhaust…
- [NTSB FTW86FA004](https://openairdocs.org/ntsb/FTW86FA004.md): Beech H18 · Oklahoma City, OK · Accident · 2 fatal · Field investigation · Final report · Nov 5, 1985 · N1461G · Destroyed
  > Atr plt departing arpt under VMC experienced failure of the right eng shortly after lift-off. The acft yawed right followed by a steep right roll, contacting power lines with the right wing and subsequently impacted the ground. A post-crash fire destoyed the…
- [NTSB LAX86LA028](https://openairdocs.org/ntsb/LAX86LA028.md): S. Piccolotto/Dave Morss Cassutt SH-1 · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1985 · N4975M · Substantial damage
  > The acft experienced a loss of power shortly after departing ry 30, San Carlos airport, San Carlos, CA. The plt reptd that after experiencing the loss of power, he pumped the throttle. This action caused the engine to regain some power but not enough to…
- [NTSB MKC86LA015](https://openairdocs.org/ntsb/MKC86LA015.md): Mooney MK21 · Warren, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 25, 1985 · N3399X · Substantial damage
  > At cruise level flt the plt rptd a malfunctioning engine. The plt was cleared to descend to an airport in the vicinity. The precautionary landing was initiated due to an oil pressure decline. Approaching for the landing the plt rptd the engine completely quit…
- [NTSB MKC86FA017](https://openairdocs.org/ntsb/MKC86FA017.md): Silvaggio Cassutt 111M · Plattsburg, MO · Accident · Serious injuries · Field investigation · Final report · Oct 25, 1985 · N4AS · Substantial damage
  > The acft was level, in cruise when the plt noticed high eng temperatures. He stated that he started a shallow climb and headed for the nearest arpt. En route to nearest arpt, smoke came into the cockpit and the plt heard a loud noise that was accompanied by…
- [NTSB FTW86MA018](https://openairdocs.org/ntsb/FTW86MA018.md): Bell 222UT · East Cameron · Accident · 2 fatal · Major investigation · Final report · Oct 24, 1985 · N3194M · Destroyed
  > Three pax rprtd that just prior to reaching the helipad, the helicopter's forward movement stopped and the helicopter wobbled or yawed from side to side. The pax's rprted that the pilot appeared to be trying to gain altitude and go forward when they heard a…
- [NTSB FTW86LRG01](https://openairdocs.org/ntsb/FTW86LRG01.md): Bell 206B · Port O'Conner, TX · Accident · No injuries · Final report · Oct 23, 1985 · N376EH · Substantial damage
  > The acft rolled over after a forced lndg due to loss of power. The eng lost about 60 percent of its power during cruise at about 250 ft AGL. Post acc inspection showed that fuel line p/n 685481 b-nut had backed off the fuel control end of line 250C20 ipc. The…
- [NTSB ATL86FKG03](https://openairdocs.org/ntsb/ATL86FKG03.md): Cessna 182P · Hawkinsville, GA · Accident · No injuries · Final report · Oct 21, 1985 · N66RD · Destroyed
  > The acft caught fire during a forced lndg after losing eng power during cruise. The plt approached a hi-way for landing and smoke filled the cockpit. During rollout fire came thru the firewall and the plt evacuated the moving acft. The unoccupied acft…
- [NTSB NYC86LA008](https://openairdocs.org/ntsb/NYC86LA008.md): Waco UPF-7 · Norwood, MA · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1985 · N39714 · Substantial damage
  > According to the pilot, during the takeoff climb the aircraft did not develop sufficient power to maintain altitude. The pilot turned the aircraft to the right in an attempt to return to the airport. During the approach to the airport, the aircraft collided…
- [NTSB ATL86LA005](https://openairdocs.org/ntsb/ATL86LA005.md): Hughes 269C · Chapman, AL · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 1985 · N7451F · Destroyed
  > During an attempted takeoff from a field adjacent to a grove of trees the aircraft was unable to climb over the trees and crashed into them. The engine was test run and although it ran rough during initial start up it later operated normally and the reason…
- [NTSB MIA86LA004](https://openairdocs.org/ntsb/MIA86LA004.md): Bell 206L · Islamorada, FL · Accident · No injuries · Limited investigation · Final report · Oct 5, 1985 · N60C · Substantial damage
  > Aircraft was ditched in the atlantic ocean after loss of engine power. Post crash inspection of the engine after recovery from the ocean revealed thje pc or compressor pressure air line had failed at a 'b' nut at the compressor schroll. With this line failed…
- [NTSB LAX85LA398](https://openairdocs.org/ntsb/LAX85LA398.md): Cessna 172N · Huntington Bch, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1985 · N4840G · Substantial damage
  > The plt stated that he aborted his first takeoff because of reduced acceleration. He taxied back, via a parallel taxiwayand made run-on type takeoff. He said that as the acft climbed to an alt of aprx 50 to 60 ft above the rwy he heard a thud and the airspeed…
- [NTSB ATL85LA279](https://openairdocs.org/ntsb/ATL85LA279.md): Cessna 177RG · Neola, WV · Accident · No injuries · Limited investigation · Final report · Sep 19, 1985 · N800JH · Substantial damage
  > While leveling at cruise altitude the engine lost power and the pilot attempted a forced landing in a field. During landing roll the aircraft collided with small trees at the end of the field. Post-crash examination of the engine disclosed a 3 inch crack in…
- [NTSB SEA85LA214](https://openairdocs.org/ntsb/SEA85LA214.md): Bell 206BII · Atlanta, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 1985 · N58012 · Destroyed
  > A loss of pwr occurred shortly before touchdown. The left skid struck a rock during touchdown causing the acft to roll onto its right side. Twenty-five flt hrs prior to this flt an identical situation occurred and a loose air line to the fuel control was…
- [NTSB CHI85FET03](https://openairdocs.org/ntsb/CHI85FET03.md): Vanbenthuysen John Bede BD-5B · Elkhart, IN · Accident · 1 fatal · Final report · Sep 14, 1985 · N23105 · Substantial damage
  > The acft rolled inverted & collided with the ground after an overtemperature reading, an RPM loss and loss of airspeed were recognized by the plt during the recording of the takeoff. The plt had a portable recorder on board and was using it during the…
- [NTSB CHI85LA373](https://openairdocs.org/ntsb/CHI85LA373.md): Schweizer G-164A · Irwin, OH · Accident · No injuries · Limited investigation · Final report · Sep 11, 1985 · N48514 · Destroyed
  > At an alt of aprx 20 ft AGL after takeoff, the #1 cylinder failed. A straight ahead landing was made in a corn field during which the acft was destroyed. The eng had under gone a major overhaul 197 hrs prior to this accident.
- [NTSB NYC85LA259](https://openairdocs.org/ntsb/NYC85LA259.md): Volksplane VP-1 · Sharpsville, PA · Accident · No injuries · Limited investigation · Final report · Sep 8, 1985 · N4354 · Substantial damage
  > The plt experienced a loss of eng RPM during cruise flt. He applied carb heat and lowered the nose of the acft in an attempt to regain eng RPM however, the eng continued to loose speed. The eng was below 2000 RPM and dropping when the plt elected to make a…
- [NTSB MKC85LA210](https://openairdocs.org/ntsb/MKC85LA210.md): Cessna 150K · Bee Branch, AR · Accident · No injuries · Limited investigation · Final report · Sep 8, 1985 · N5831G · Substantial damage
  > The airplane was on a local flight when the engine failed. During the forced landing, the airplane ran through a fence row of trees. Inspection revelaed that the rocker arm bosses on the number one cylinder had failed. Cylinder had been installed 50 hours…
- [NTSB MKC85LA209](https://openairdocs.org/ntsb/MKC85LA209.md): Cessna 150L · Morrilton, AR · Accident · No injuries · Limited investigation · Final report · Sep 7, 1985 · N6999G · Substantial damage
  > The airplane was on a night flight when the engine failed. During the forced landing, the airplane struck and remained attached to high voltage powerlines. Inspection of the engine revealed number three cylinder cracked and the top compression ring on number…
- [NTSB DCA85AA036](https://openairdocs.org/ntsb/DCA85AA036.md): Douglas DC-9-14 · Milwaukee, WI · Accident · 31 fatal · Final report · Sep 6, 1985 · N100ME · Destroyed
  > The Safety Board's full report on this investigation is provided as Aviation Accident Report number AAR-87/01. To obtain a copy of this report, or to view the executive summary online, please see the Web site at http://www.ntsb.gov/publictn/publictn.htm Drg…
- [NTSB MIA85LA244](https://openairdocs.org/ntsb/MIA85LA244.md): Piper PA-28-161 · Everglades City, FL · Accident · No injuries · Limited investigation · Final report · Sep 4, 1985 · N8015X · Substantial damage
  > The plt stated that while returning to venice from marathon,the acft started to lose power. He switched tanks but the problem continued. He notified fort myers apch he was having problems and when the power deteriorated to 1600 RPM, he elected to ditch the…
- [NTSB DEN85LA235](https://openairdocs.org/ntsb/DEN85LA235.md): Cessna 182N · Moab, UT · Accident · No injuries · Limited investigation · Final report · Sep 3, 1985 · N9229 · Substantial damage
  > The plt stated after the accident that he experienced a loss of power while cruising at 8500 MSL. He was unable to restore power and executed an emergency landing in an open area covered by sage brush. During the landing roll, the acftnosed over. Examination…
- [NTSB CHI85LA365](https://openairdocs.org/ntsb/CHI85LA365.md): Cessna 177 · Glandorf, OH · Accident · No injuries · Limited investigation · Final report · Sep 2, 1985 · N30654 · Substantial damage
  > The plt reported that during cruise flt the prop pitch began to vary, oil pressure dropped to zero and the eng began to overheat. A forced landing ensued during which the acft contacted a ditch. Post accident examination of the eng disclosed the #3 cylinder…
- [NTSB CHI85LA360](https://openairdocs.org/ntsb/CHI85LA360.md): Schweizer G164A "450" · Constantine, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1985 · N8444K · Substantial damage
  > The acft nosed over during a forced landing in a corn fld. The plt stated that at 30 ft AGL during his second swath run the eng backfired and lost pwr. He attempted to dump the load however, the acft continued to loose alt and the forced landing resulted.…
- [NTSB LAX85LVA04](https://openairdocs.org/ntsb/LAX85LVA04.md): Bell 204-B · East Clovis, CA · Accident · Minor injuries · Final report · Aug 27, 1985 · N204RH · Substantial damage
  > The acft was being flown for a maintenance ck. While climbing at about 50 ft AGL a bang was heard and eng RPM decreased. Plt initiated autorotation and attempted a flare at about 20 ft AGL. The tail rotor hit and the acft became airborne after hitting on the…
- [NTSB BFO85FID04](https://openairdocs.org/ntsb/BFO85FID04.md): Cessna A188B · Farmville, VA · Accident · Minor injuries · Final report · Aug 24, 1985 · N4830Q · Destroyed
  > The pilot stated that while making his third swath run over a field, the engine started to run rough. He stopped spraying and attempted to gain altitude, but the roughness increased. Shortly thereafter, the manifold pressure dropped and he was unable to keep…
- [NTSB FTW85LPJ03](https://openairdocs.org/ntsb/FTW85LPJ03.md): James/Viking Dragonfly · Okmulgee, OK · Accident · No injuries · Final report · Aug 23, 1985 · N45CJ · Substantial damage
  > The acft bounced 3 times during a landing after the engine failed to preduce full power for takeoff. After the 3rd bounce the rt canard broke off at the fuselage. The plt stated that the fuel filter was found to be blocked by some type of residue.
- [NTSB NYC85LA211](https://openairdocs.org/ntsb/NYC85LA211.md): Ercoupe Ercoupe 415-C · Del Mar, NY · Accident · No injuries · Limited investigation · Final report · Aug 14, 1985 · N3431H · Substantial damage
  > The plt was reposition the acft at the request of the new owner who was not a rated plt. While climbing thru 2000 ft AGL the plt reported hearing the engine growl and felt a loss of power. During a precautionary descent the engine seized and the plt made a…
- [NTSB LAX85LA351](https://openairdocs.org/ntsb/LAX85LA351.md): Cessna 172P · Saint Helena, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 1985 · N5259K · Substantial damage
  > During a local personal flt, the plt said the 'engine began to run rough a shake violently.' With not enough power to maintain altitude, the plt elected to make an emergency landing in a field, however, overran the field after touchdown and collided with…
- [NTSB FTW85LA318](https://openairdocs.org/ntsb/FTW85LA318.md): Piper PA-28-140 · May, TX · Accident · No injuries · Limited investigation · Final report · Aug 13, 1985 · N9912W · Destroyed
  > The plt stated the eng RPM dropped to 1500 during level cruise flt at 4200 ft MSL. He could not regain pwr. He diverted the flt and attempted to reach the brownwood, TX, arpt but did not have sufficient alt. A forced landing was made in a rugged, heavily…
- [NTSB DEN85LA218](https://openairdocs.org/ntsb/DEN85LA218.md): Downer Aircraft Industries REP. Seabee RC-3 · Haugan, MT · Accident · No injuries · Limited investigation · Final report · Aug 13, 1985 · N6305K · Substantial damage
  > The plt had reconditioned N6305K and was flying the acft to his home in Texas. He continued to state that while climbing through 6500 ft, he heard an unusual noise followed by a substantial loss in pwr. The plt executed an emergency landing on a forest…
- [NTSB FTW85LA315](https://openairdocs.org/ntsb/FTW85LA315.md): Bell 206B · Damon, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 9, 1985 · N22952 · Destroyed
  > The plt experienced an eng deceleration to flt idle while cruising 1000 MSL. He autorotated into trees in a heavily wooded area. A subsequent eng disassembly and examination revealed the pwr control line, p/n 6848471-B, was broken at its attaching 'b' nut…
- [NTSB FTW85FA310](https://openairdocs.org/ntsb/FTW85FA310.md): Bell UH-1B · Saint James, LA · Accident · 1 fatal · Field investigation · Final report · Aug 8, 1985 · N1385W · Destroyed
  > Acft was at a 150' hover preparing to pick up a log when it experienced a power loss. Witnesses stated that they heard a loud 'bang' and the pilot radioed 'get out of the way'. Acft autorotated thru 60' to 80' trees with very low rotor RPM and impacted with…
- [NTSB FTW85LA294](https://openairdocs.org/ntsb/FTW85LA294.md): North American AT-6 · Port Isabel, TX · Accident · No injuries · Limited investigation · Final report · Aug 3, 1985 · N4434N · Substantial damage
  > The acft was substantially damaged when it undershot the runway and cartwheeled during an emergency landing following an engine failure in the traffic pattern. The plt reported that initial examination of the engine revealed that initial examination of the…
- [NTSB DEN85LA206](https://openairdocs.org/ntsb/DEN85LA206.md): Piper PA-22 · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Jul 30, 1985 · N5430Z · Substantial damage
  > According to the plt, he was approaching the Boulder municipal arpt, Boulder, Colorado, for a VFR landing when his engine failed to develop sufficient power to sustain flight. A forced landing was made to a farmer's field. The acft sustained substantial…
- [NTSB MKC85FA168](https://openairdocs.org/ntsb/MKC85FA168.md): Schubert Cassutt Sport · Admire, KS · Accident · 1 fatal · Field investigation · Final report · Jul 27, 1985 · N1115G · Destroyed
  > At 0847 CDT, July 27, 1985 N1115G radioed a nearby fss. The station that was called was closed but another fss heard thecall. During the transmission the plt reported that he had an eng problem, was pumping oil overboard and could not see outside because the…
- [NTSB ATL85IA225](https://openairdocs.org/ntsb/ATL85IA225.md): Beech 95-B55 · Gilbertsville, KY · Incident · No injuries · Incident investigation · Final report · Jul 26, 1985 · UNK · Minor damage
  > The acft made a precautionary lndg after the plt feathered the left eng because of vibration. Post accident exam showed a failed cylinder in the eng
- [NTSB MKC85LA166](https://openairdocs.org/ntsb/MKC85LA166.md): James Gress Quickie · Fenton, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1985 · N32JG · Substantial damage
  > While taking off, the plt noted a partial loss of eng power during the initial climb. He was unable to maintain alt & tried to maneuver around trees near the departure end of the rwy. However, the acft descended into the tree tops, then crashed onto the roof…
- [NTSB NYC85LA186](https://openairdocs.org/ntsb/NYC85LA186.md): Piper PA-18-95 · Stowe, VT · Accident · No injuries · Limited investigation · Final report · Jul 20, 1985 · N5777D · Substantial damage
  > During cruise flt, the plt heard a loud knocking coming from the eng and a decrease in oil pressure. During the landing in a fld, the landing gear collapsed and the acft ground looped. Examination of the eng disclosed that the hydraulic lifters of three of…
- [NTSB ATL85LA214](https://openairdocs.org/ntsb/ATL85LA214.md): Wag-Aero Cubbie (J-3) · Stockbridge, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 1985 · N909GH · Substantial damage
  > During a departure, the eng had a partial loss of power. The plt reported that after climbing to about 75 ft, neither the acft's speed nor alt would increase. He lowered the nose to increase the eng RPM & speed, but the eng did not respond. Subsequently, the…
- [NTSB NYC85LA177](https://openairdocs.org/ntsb/NYC85LA177.md): Sikorsky S-76A · Hartford, CT · Accident · No injuries · Limited investigation · Final report · Jul 14, 1985 · N3124L · Substantial damage
  > The apch to the pvt helipad was uneventful up to the last 100 ft where the plts noticed a high sink rate. The plt increased collective to correct for the situation. At about 20 ft from touchdown point the plt noticed a decrease in RPM and realized that they…
- [NTSB CHI85LA297](https://openairdocs.org/ntsb/CHI85LA297.md): Piper PA-22 · Iola, WI · Accident · No injuries · Limited investigation · Final report · Jul 13, 1985 · N1487A · Substantial damage
  > Upon takeoff at approximately 100 ft AGL the pilot experienced a partial power loss which necessitated a forced landing in a soft, wet potato field. The pilot had time to switch fuel tanks and magnetos prior to touchdown, but the power loss remained constant.…
- [NTSB NYC85LA169](https://openairdocs.org/ntsb/NYC85LA169.md): Piper PA-28-140 · Cherry Valley, NY · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 1985 · N5602U · Substantial damage
  > Durng a climb to cruise, theengine RPM dropped to 2000. The pilot check the carburetor heat and other instruments and did not find any abnormalities. The engine RPM dropped a second time to 1800 a sound described by the pilot as a loud band was heard and the…
- [NTSB CHI85LA289](https://openairdocs.org/ntsb/CHI85LA289.md): Bensen B8M · Hebron, OH · Accident · No injuries · Limited investigation · Final report · Jul 12, 1985 · N9729N · Destroyed
  > The gyrocopter lost partial pwr while in the traffic pattern and the plt executed an autorotation into a corn field. The throttle cable was found loose after the accident.
- [NTSB ATL85LA208](https://openairdocs.org/ntsb/ATL85LA208.md): Cessna T303 · Shelby, NC · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 1985 · N9718T · Destroyed
  > The plt stated that after takeoff from rwy 23, he noticed oil coming from the left eng. He initiated a turn to land on rwy 05 but was unable to line up with the rwy. He elected to go-around and when he added full power the left eng oil pressure went to zero…
- [NTSB CHI85LA275](https://openairdocs.org/ntsb/CHI85LA275.md): Bell 47G-3B-1 · Donaldson, MN · Accident · No injuries · Limited investigation · Final report · Jul 6, 1985 · N7856S · Substantial damage
  > When the plt applied pwr to level off while entering a spray the eng did not produce sufficient pwr to stop the descent. He attempted a run on landing but the uneven terrain caused substantial damage to the helicopter. Inspection of the eng revealed the…
- [NTSB LAX85LA305](https://openairdocs.org/ntsb/LAX85LA305.md): Hiller UH-12E · Gonzales, CA · Accident · No injuries · Limited investigation · Final report · Jul 5, 1985 · N161HA · Substantial damage
  > While cruising during an ag flight the acft's eng began losing pwr. At the time the acft was about 50 ft AGL & was travelling at 50 mph. The plt made a forced ldg onto a nearby plowed fld. Upon touchdown the rt skid dug into a furrow & the acft rolled over.…
- [NTSB ATL85LA200](https://openairdocs.org/ntsb/ATL85LA200.md): American AA-1A · Hatteras, NC · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 1985 · N6393L · Substantial damage
  > While on a flt to Hatteras, NC, the eng ran rough, so after landing, the plt got an auto mechanic to remove the spark plugs. The lower plugs on the left side were lead fowled & were cleaned with a wire brush. During takeoff on the next flt, the eng lost…

Next page: https://openairdocs.org/ntsb.md?year=1985&occurrence=352&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" = 352)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=352&year=1985

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