# NTSB investigations, 1985: Loss of engine power(partial) - nonmechanical

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 · 60 cases

## Latest cases

- [NTSB DEN86LA058](https://openairdocs.org/ntsb/DEN86LA058.md): Cessna 140A · Columbus, NM · Accident · Minor injuries · Limited investigation · Final report · Dec 31, 1985 · N5330C · Substantial damage
  > According to the plt, after performing the preflight engine runup, he leaned the mixture control and switched the fuel selector to both tanks. Shortly after takeoff at approximately 50 ft AGL, the eng lost partial pwr. The plt made a forced landing following…
- [NTSB FTW86LA029](https://openairdocs.org/ntsb/FTW86LA029.md): Piper PA-31-325 · Junction, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 29, 1985 · N27842 · Destroyed
  > During initial climb after takeoff the pilot noticed oil streaming out from the oil filler access door on the right engine cowling. He elected to continue climbing and make a tear drop turn back to the airport and land in the opposite direction from which he…
- [NTSB SEA86LA031](https://openairdocs.org/ntsb/SEA86LA031.md): Cessna 402B · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Dec 27, 1985 · N4624N · Substantial damage
  > The plt reported encountering icing conditions during his apch to Spokane. Upon arrival, the acft remained at Spokane for 30-40 minutes during which freezing drizzle and below freezing temps existed prior to and during the departure. The plt did not utilize…
- [NTSB MKC86LA038](https://openairdocs.org/ntsb/MKC86LA038.md): Cessna 140 · Coy, AR · Accident · No injuries · Limited investigation · Final report · Dec 21, 1985 · N3587V · Substantial damage
  > The pilot reports that the engine of N3587V was run at idle for an extended time before the takeoff was attempted. After several minutes, the engine died. It was restarted and the takeoff was commenced immediately. According to the pilot, the engine was…
- [NTSB MIA86LA045](https://openairdocs.org/ntsb/MIA86LA045.md): Piper PA-32-260 · Lake City, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 18, 1985 · N5547J · Substantial damage
  > The plt stated that after a forced landing in a field due to a stuck fuel selector valve, the fuel selector was repaired and a takeoff was attempted from county road 240. At an alt of aprx 3 ft the eng sputtered & the plt lost control of the acft, veered left…
- [NTSB SEA86FA028](https://openairdocs.org/ntsb/SEA86FA028.md): Cessna 335 · Pendleton, OR · Accident · Serious injuries · Field investigation · Final report · Dec 6, 1985 · N2711U · Destroyed
  > At 500 ft AGL on departure climb, with lndg gear unretracted, plt felt vibrations similar to rough-running engine but noted no instrument indications, throttled back and leveled off. While trouble-shooting problem, plt noted acft was descending at 1200 fpm,…
- [NTSB MIA86LA021](https://openairdocs.org/ntsb/MIA86LA021.md): Mooney M20C · Starke, FL · Accident · No injuries · Limited investigation · Final report · Oct 28, 1985 · N79386 · Substantial damage
  > The plt stated that after takeoff while climbing through 15 ft AGL the eng sputtered and lost pwr momentarily. Full pwr was regained but the acft had lost altitude and could not climb to clear trees at the departure end of the rwy. The acft then veered left,…
- [NTSB LAX86LA029](https://openairdocs.org/ntsb/LAX86LA029.md): Schweizer G-164B · Gila Bend, AZ · Accident · Serious injuries · Limited investigation · Final report · Oct 28, 1985 · N8487K · Substantial damage
  > After spraying a field and while enroute to the landing site, the acft engine backfired followed by a rapid loss of power. The plt negotiated an emergency landing on a private dirt road. During the landing roll-out, the aircraft left wing struck a tree…
- [NTSB FTW86LA013](https://openairdocs.org/ntsb/FTW86LA013.md): Piper PA-28 · Houston, TX · Accident · No injuries · Limited investigation · Final report · Oct 11, 1985 · N5341W · Substantial damage
  > The passengers stated that the pilot was unable to obtain higher power settings on a go-around from a low approach to an airport, and elected to land on a rural street. An examination of the engine revealed insect nests in the intake manifold and water in the…
- [NTSB CHI86LA012](https://openairdocs.org/ntsb/CHI86LA012.md): Cessna 421C · Wooster, OH · Accident · No injuries · Limited investigation · Final report · Oct 11, 1985 · N59EP · Substantial damage
  > The plt stated that the right eng manifold pressure decreased to 22 inches just after liftoff. He aborted the takeoff and put the acft back on the rwy. The acft ran off the end of the rwy, crossed a road and hit a ditch shearing the landing gear. Post…
- [NTSB NYC85LA249](https://openairdocs.org/ntsb/NYC85LA249.md): Grumman AA-5B · Manchester, MA · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 1985 · N88SJ · Substantial damage
  > Plt stated that during cruise flight at an altitude of 1200 ft the engine RPM decreaseed from cruise setting to between 900-1100 RPM. The acft was overwater and 2 miles from the coastline. He was unable to maintain altitude and he started a descent toward…
- [NTSB MKC85LA221](https://openairdocs.org/ntsb/MKC85LA221.md): Lon J. Mcknight Flybaby 1A · Lebanon, MO · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1985 · N3826 · Substantial damage
  > After washing his aircraft the plt dptd the airport for a LCL flight. The flight lasted for approx. 30 min. When the plt stated the end began running rough. A precautionary landing was made to the airport. The acft stalled impacting the ground short of the…
- [NTSB BFO85FA077](https://openairdocs.org/ntsb/BFO85FA077.md): Cessna 150E · Clinton, MD · Accident · Serious injuries · Field investigation · Final report · Sep 18, 1985 · N3518J · Destroyed
  > Plt stated that on initial climb from a normal takeoff, a partial engine pwr loss was experienced. Control of the airplane was lost while maneuvering for a suitable forced landing area. A flight instructor that witnessed the takeoff stated that it appeared to…
- [NTSB SEA85FA212](https://openairdocs.org/ntsb/SEA85FA212.md): Luscombe 8A · Renton, WA · Accident · Serious injuries · Field investigation · Final report · Sep 14, 1985 · N2073K · Destroyed
  > The inexperienced, low time student pilot reported a gradual loss of power while operating his luscobe 8A aircraft on a personal, local flight. The aircraft was equipped with a stromberg carburetor whose mixture was permanently wired full open and power was…
- [NTSB DEN85LTG08](https://openairdocs.org/ntsb/DEN85LTG08.md): Piper PA-28-140 · Underwood, ND · Accident · Minor injuries · Final report · Sep 5, 1985 · N8864N · Substantial damage
  > The acft nosed over during a forced landing following a loss of pwr. The plt stated he was practicing slow flt on the return flt from picking the acft up after an annual inspection. As the acft slowed to 90 mph during slow flt, the plt attempted to increase…
- [NTSB NYC85FA222](https://openairdocs.org/ntsb/NYC85FA222.md): Ercoupe 415-C · Carlisle, PA · Accident · 1 fatal · Field investigation · Final report · Aug 27, 1985 · N3064H · Destroyed
  > During the second takeoff attempt from a pvt grass strip witnesses heard the eng sputter then quit soon after liftoff. The acft then descended to ground impact and burned. The acft had not been flown adn was kept out of doors for several months while the…
- [NTSB CHI85FEE04](https://openairdocs.org/ntsb/CHI85FEE04.md): Jauch Coot/Amphib · Mendota, IL · Accident · Minor injuries · Final report · Aug 26, 1985 · N81KX · Destroyed
  > The acft touched down in a bean fld during a forced landing following a loss of pwr on takeoff. The plt reported the acft had low pwr during the takeoff run, however, he elected to continue the takeoff and make a 180 deg turn back to the airstrip. Once…
- [NTSB CHI85FEM01](https://openairdocs.org/ntsb/CHI85FEM01.md): Skyranger Silver Cloud · Bellaire, MI · Accident · Serious injuries · Final report · Aug 22, 1985 · N210JT · Substantial damage
  > The acft crashed after colliding with wires during a forced landing after a power loss during climbout. The plt. Builder had rigged a temporary plastic fuel container on the cockpit floor because the main wing tanks had not been installed. This floor tank was…
- [NTSB CHI85LA342](https://openairdocs.org/ntsb/CHI85LA342.md): Cessna 152 · Lansing, IL · Accident · No injuries · Limited investigation · Final report · Aug 8, 1985 · N65619 · Substantial damage
  > The student plt stated that he began the flt with 13 gallons of fuel. Following 1 3/4 hrs in the traffic pattern he turned onto left base leg for a full-stop landing on rwy 09. At this point the eng began to lose pwr. He could not reach the rwy and performed…
- [NTSB FTW85LA303](https://openairdocs.org/ntsb/FTW85LA303.md): Cessna 150M · Horntown, OK · Accident · No injuries · Limited investigation · Final report · Aug 1, 1985 · N187AR · Destroyed
  > The acft experienced an intermittent power loss in cruise flt. The plt's attempts to remedy the problem were not successful and he elected to execute a precautionary landing on a road. During the landing, the acft struck a wire and veered into trees along the…
- [NTSB DEN85LA207](https://openairdocs.org/ntsb/DEN85LA207.md): Cessna 205 · Pueblo, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 1985 · N1818Z · Substantial damage
  > The plt/owner departed Pueblo, CO, on a VFR pleasure flt to California. During the flt the plt encountered IMC and elected to return to Pueblo. Witnesses observed the plt making low passes over his parent's home in west Pueblo just prior to impacting rolling…
- [NTSB ATL85FA224](https://openairdocs.org/ntsb/ATL85FA224.md): Aero Commander 680-FP · Chesapeake, OH · Accident · 1 fatal · Field investigation · Final report · Jul 27, 1985 · N100HA · Destroyed
  > As near as can be determined, this was the plt's second flt since obtaining his multi engine rating and third flt since obtaining his com'l plt certificate from a designated p.e. the acft was observed to depart lawrence co. arpt and upon reaching a point over…
- [NTSB ANC85LA129](https://openairdocs.org/ntsb/ANC85LA129.md): Hughes H-269B · Northway, AK · Accident · No injuries · Limited investigation · Final report · Jul 17, 1985 · N9434F · Substantial damage
  > The pilot stated he departed and after liftoff began losing power. He attempted to make adjustments when the engine changed sound distinctively to a reduced power. He attempted landing on a downslope and touched down with 5 to 10 knots of forward speed. Upon…
- [NTSB SEA85LA163](https://openairdocs.org/ntsb/SEA85LA163.md): Piper PA-38-112 · American Falls, ID · Accident · No injuries · Limited investigation · Final report · Jul 13, 1985 · N25678 · Substantial damage
  > The student solo x-country flt departed ogden, UT, at aprx 1130 MDT and made a touch & go at black foot, ID, at aprx 135 MDT. The plt stated the landing was a little rough and due to the distraction, he forgot to switch fuel tanks. Fuel exhaustion occurred at…
- [NTSB DEN85LA183](https://openairdocs.org/ntsb/DEN85LA183.md): Cessna 172P · Rio Rancho, NM · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 1985 · N53410 · Substantial damage
  > During a pleasure flt, with his parents as pax, the plt decided to demonstrate a glide down to aprx 500 ft AGL. When he added power for recovery, he stalled the acft. Before complete recovery was possible, the acft struck the ground.
- [NTSB FTW85LA274](https://openairdocs.org/ntsb/FTW85LA274.md): Piper PA-28-140 · Port Aransas, TX · Accident · No injuries · Limited investigation · Final report · Jul 5, 1985 · N7589R · Substantial damage
  > The plt stated the acft had been parked outside during periods of heavy rain for several weeks prior to this flt. The plt had drained a large amount of water from the fuel tanks prior to flt and stated the loss of power was due to water which could not be…
- [NTSB ATL85LA201](https://openairdocs.org/ntsb/ATL85LA201.md): Beech 76 · Morgantown, WV · Accident · Serious injuries · Limited investigation · Final report · Jun 30, 1985 · N6002P · Destroyed
  > The CFI & dual student were on a flt to fairmont, WV so the student could receive a multi-eng flt exam. The student stated that shortly after lift-off from rwy 18, the CFI closed the mixture control on the right eng 'to simulate an engine failure.' The acft…
- [NTSB FTW85LA258](https://openairdocs.org/ntsb/FTW85LA258.md): Cessna 150 · Girard, TX · Accident · No injuries · Limited investigation · Final report · Jun 16, 1985 · N1991Z · Substantial damage
  > The plt stated he had just buzzed a friend's house when the eng began running rough. He was making a precautionary landing on a country road when a wing dropped and drug on the side of the adjacent ditch. The acft spun around 180 degs,sustaining substantial…
- [NTSB FTW85LA253](https://openairdocs.org/ntsb/FTW85LA253.md): Beech 95 · New Braunfels, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 1985 · N2091C · Substantial damage
  > The instructer pilot and student single engine rated pilot were practicing single eng full stop landings. The acft was on final apch with the right eng shut down and the prop feathered. A vehicle was observed near the rwy. The instructor directed a go-around.…
- [NTSB ATL85LA178](https://openairdocs.org/ntsb/ATL85LA178.md): Cessna 152 · Olive Branch, MS · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 1985 · N49995 · Substantial damage
  > Plt was returning to arpt with known low fuel state. The planned landing was to be on rwy 18 but while approaching the arpt, the eng missed. The plt elected to land on rwy 36 with a tailwind and conflicting traffic. The conflicting traffic cleared the rwy and…
- [NTSB FTW85LA239](https://openairdocs.org/ntsb/FTW85LA239.md): Hughes 300 · Lake Worth, TX · Accident · No injuries · Limited investigation · Final report · May 30, 1985 · N9660F · Substantial damage
  > While undergoing helicopter transition training from the previous owner, who holds no instructor certificate, the new owner's son had been practicing pwr recovery autorotations. The eng failed to respond to application of throttle, and a full autorotative…
- [NTSB SEA85LA125](https://openairdocs.org/ntsb/SEA85LA125.md): Cessna 152 · Concord, CA · Accident · No injuries · Limited investigation · Final report · May 26, 1985 · N66942 · Substantial damage
  > The acft contacted power lines during a night forced landing following fuel exhaustion. The plt had flown from Concord, CA, to reno, NV, and was returning to Concord when the accident occurred. The plt was recently checked out in the acft and was used to…
- [NTSB CHI85FA213](https://openairdocs.org/ntsb/CHI85FA213.md): Hughes 369E · Indianapolis, IN · Accident · Serious injuries · Field investigation · Final report · May 25, 1985 · N5219A · Destroyed
  > As the helicopter was on downwind for the heliport, the plt experienced an pwr interruption and eventually a eng failure. He was attempting an autorotation to railroad tracks when he saw wires. He managed to miss the wires but by doing so he expended the…
- [NTSB MIA85LA173](https://openairdocs.org/ntsb/MIA85LA173.md): Grumman American AA-5 · High Springs, FL · Accident · No injuries · Limited investigation · Final report · May 17, 1985 · N9541L · Substantial damage
  > The plt stated that he made a normal takeoff with 2200 RPM, but shortly after rotation, the RPM started to decrease & the acft lost altitude & landed in the top of a large oak tree. An investigation revealed that the carburetor inlet finger screen had a 75%…
- [NTSB LAX85LA246](https://openairdocs.org/ntsb/LAX85LA246.md): Cessna 172H · Bullhead City, AZ · Accident · Minor injuries · Limited investigation · Final report · May 7, 1985 · N8188L · Substantial damage
  > The plt reported that while he was flying & looking for 'wild animals at the base of the mountain' the acft's eng lost power. The acft descended & when it was close to the ground eng power was reacquired. The plt further reported that there was 'severe'…
- [NTSB MIA85FA166](https://openairdocs.org/ntsb/MIA85FA166.md): Beech E18S · West Palm Bch, FL · Accident · Minor injuries · Field investigation · Final report · May 6, 1985 · N57AE · Substantial damage
  > Drg takeoff from rwy 13, the l eng lost pwr after the acft had climbed to about 200' AGL & accellerated to aprx 125 KTS with the gear & flaps retracted. The plt aborted the takeoff & turned the acft to land on rwy 9. However, it touched dwnin the grass after…
- [NTSB NYC85LA114](https://openairdocs.org/ntsb/NYC85LA114.md): Piper PA-28R-200 · Montgomery, NY · Accident · No injuries · Limited investigation · Final report · May 3, 1985 · N9439N · Substantial damage
  > The acft made a forced landing after the manifold pressure kept dropping. Some adjustment was made by throttle application and finally alt air was used. When the plt decided that the arpt could not be reached he landed on a highway. The left & nose gear…
- [NTSB LAX85LA235](https://openairdocs.org/ntsb/LAX85LA235.md): Lockheed PV-2 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · May 1, 1985 · N7415C · Substantial damage
  > Following a dural engine chang, the plt test flew the acft. On initial climb, at about 500 ft AGL, both engines began backfiring violently & lost power. According to the plt, power sufficient for flt could not be obtained, & a forced ldg was made about 0.75…
- [NTSB NYC85FNC03](https://openairdocs.org/ntsb/NYC85FNC03.md): Bell 47H-1 · Guilford, VT · Accident · Serious injuries · Final report · Apr 28, 1985 · N2827B · Destroyed
  > The helicopter crashed after losing rotor RPM during a max performance takeoff from a confined area at a private landing area. The plt had added 10 gals of fuel and he was carrying a passenger. The plt said he ahd taken off from this area before with no…
- [NTSB DEN85FTM01](https://openairdocs.org/ntsb/DEN85FTM01.md): Gamble Sonerai II · Salt Lake City, UT · Accident · Minor injuries · Final report · Apr 28, 1985 · N922GG · Substantial damage
  > The acft nosed over during a forced landing short of the rwy following a loss of pwr. The plt stated that after takeoff he noticed a rise in the cylinder head temperature. He attempted a landing and overshot the rwy. During the plt's second landing attempt,…
- [NTSB ANC85LA075](https://openairdocs.org/ntsb/ANC85LA075.md): Bellanca 7GCBC · Holitna River, AK · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 1985 · N31282 · Substantial damage
  > During takeoff the plt noted a partial loss of power, the plt elected precautionary landing on the remaining frozen lake. During the turn the acft stalled and crashed. The fuel system was found contaminated with ice and water.
- [NTSB NYC85FGM03](https://openairdocs.org/ntsb/NYC85FGM03.md): Istvanick Zipppy Sport · Connellsville, PA · Accident · Minor injuries · Final report · Apr 20, 1985 · N39322 · Substantial damage
  > The acft contacted trees following a loss of pwr shortly after takeoff. Plt stated he performed 3 high speed taxi runs during which the acft and eng operated normally. Witnesses stated the acft became airborne on the 4th taxi run, climbed to aprx 75 ft AGL…
- [NTSB LAX85FA217](https://openairdocs.org/ntsb/LAX85FA217.md): Bell 206-L1 · Kailua/Kona, HI · Accident · Minor injuries · Field investigation · Final report · Apr 20, 1985 · N478KA · Destroyed
  > A revenue sight-seeing helicopter flight operating under 14 CFR 91 collided with lava rock while attempting a forced landing on the summit of muana loa volcano after a partial loss of power. The pilot stated that while in a shallow downwind turn at aprx 200…
- [NTSB ATL85LA141](https://openairdocs.org/ntsb/ATL85LA141.md): Cessna 120 · Saluda, SC · Accident · No injuries · Limited investigation · Final report · Apr 19, 1985 · N1819V · Substantial damage
  > The plt attempted a takeoff with the carb heat in the 'on' position. According to the plt, during initial climb the acft lost power and he was unable to maintain altitude. The plt made a forced landing in a pasture about 1 mi. From the airport.
- [NTSB ANC85FA065](https://openairdocs.org/ntsb/ANC85FA065.md): Bell BH-206-B · Valdez, AK · Accident · No injuries · Field investigation · Final report · Apr 19, 1985 · N385EH · Substantial damage
  > The pilot in command stated that he was on final approach and at 125 feet AGL, he heard the low RPM audio warning and he immediately entered an autorotation by lowering the collective to the full down position and closing the throttle to the flight idle…
- [NTSB CHI85FA165](https://openairdocs.org/ntsb/CHI85FA165.md): Piper PA-30 · Worthington, IN · Accident · 3 fatal · Field investigation · Final report · Apr 15, 1985 · N8007Y · Destroyed
  > The acft stalled and crashed in a fld after the plt declared an emergency stating he was losing pwr on the right eng and he could not maintain alt. At 1405 EST, the acft was told to contact hulman apch with instructions to descend to 3000 ft MSL. The mode c…
- [NTSB FTW85LA177](https://openairdocs.org/ntsb/FTW85LA177.md): Fairchild Hiller FH-1100 · Rosston, OK · Accident · No injuries · Limited investigation · Final report · Apr 10, 1985 · N5073F · Destroyed
  > Pilot stated engine lost power during takeoff climb due to a leak in the air line from the engine bleed valve. He attempted to make a forced landing but upon touchdown, due to his forward movement, the aircraft nosed over.
- [NTSB ANC85LA060](https://openairdocs.org/ntsb/ANC85LA060.md): Piper PA-22 · Kanektok River, AK · Accident · No injuries · Limited investigation · Final report · Mar 25, 1985 · N4810A · Substantial damage
  > The plt reported after a short fld takeoff, the eng dropped to about 1000 RPM; the plt then attempted an emergency landing. Upon touchdown, the acft settled into the snow and nosed over. The plt stated the eng failure was due to carb ice.
- [NTSB DEN85LA089](https://openairdocs.org/ntsb/DEN85LA089.md): Beech E33-C · Richfield, UT · Accident · No injuries · Limited investigation · Final report · Mar 1, 1985 · N8112R · Substantial damage
  > The plt stated that he was returning to the arpt and was on the base leg of the traffic pattern when he experienced a partial loss of eng pwr. The plt stated that when he turned on the boost pump, pwr was restored for a short time. He continued to state that…
- [NTSB CHI85LA125](https://openairdocs.org/ntsb/CHI85LA125.md): Cessna 152 · Frankton, IN · Accident · No injuries · Limited investigation · Final report · Feb 26, 1985 · N5394M · Substantial damage
  > During a setup for a practice stall the solo student pilot retarded the throttle, raised the nose slightly and applied carb heat. He believed he was losing airspeed too quickly so he then reapplied full power. At this point the engine rpms dropped to 5 or…

Next page: https://openairdocs.org/ntsb.md?year=1985&occurrence=354&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" = 354)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=354&year=1985

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