# NTSB investigations, 1986: 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 · 76 cases ## Latest cases - [NTSB CHI87FA058](https://openairdocs.org/ntsb/CHI87FA058.md): Piper PA-31T · Merrillville, IN · Accident · 1 fatal · Field investigation · Final report · Dec 30, 1986 · N74NL · Destroyed > The acft was enroute to the chicago midway arpt. While letting down to 16000 ft the pilot reported he was shutting down the right eng. ARTCC cleared the acft to 5000 ft. ten minutes later ARTCC lost radio transponder and mode c contact. 15 minutes later the… - [NTSB MIA87FA046](https://openairdocs.org/ntsb/MIA87FA046.md): Hughes 369HS · Zephyrhills, FL · Accident · 2 fatal · Field investigation · Final report · Dec 9, 1986 · N8390F · Destroyed > A witness stated that she heard the eng on the helicopter quit. She looked out her window and watched the helicopter hit the ground, bounce, hit again, flip over and the tail broke off. The helicopter then burst into flames and exploded. Exam of the eng… - [NTSB FTW87LA028](https://openairdocs.org/ntsb/FTW87LA028.md): Piper PA-28R-180 · Montgomery, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 6, 1986 · N3171R · Substantial damage > A private pilot check ride was interrupted by a forced landing on a golf course after having experienced severe vibrations and a loss of power. During the forced landing the acft collided with a 10 ft tall tree and nosed down to terrain impact. Investigation… - [NTSB MKC87LA028](https://openairdocs.org/ntsb/MKC87LA028.md): Grumman-Schweizer G-164B-600 · Earle, AR · Accident · No injuries · Limited investigation · Final report · Dec 3, 1986 · N6898Q · Substantial damage > The pilot stated that the powerplant was performing normally during initial climb when, suddenly, the engine experienced a power loss after backfiring. Immediate remedial action resulted in a partial power output but not enough to sustain flight. Emergency… - [NTSB ATL87IA034](https://openairdocs.org/ntsb/ATL87IA034.md): de Havilland DHC-8-101 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Dec 3, 1986 · N802MX · Minor damage > At about 4,000 ft MSL, cpt on sch dom flt reported loud pop and sub shutdown of rt eng. Smell of smoke and visual confirmation of fire in rt nacelle. Ships fire ext activated during return to dept. Arpt. Landed without further incident. Investigation revld… - [NTSB LAX87LA051](https://openairdocs.org/ntsb/LAX87LA051.md): Cessna 152 · Waipahu, HI · Accident · No injuries · Limited investigation · Final report · Nov 22, 1986 · N5327M · Substantial damage > The plt dragged both wings through a sugar cane crop during landing roll on a gravel road after a partial loss of power. The engine had 4040 total hours and had been previously overhauled 1655 hours prior. The plt indicated that the eng had a top overhaul… - [NTSB NYC87LA033](https://openairdocs.org/ntsb/NYC87LA033.md): Cessna 33TC · Phillipsburg, PA · Accident · No injuries · Limited investigation · Final report · Nov 14, 1986 · N2581S · Substantial damage > The Cessna 337 experienced engine surging and plt made a precautionary landing at an airport while enroute to destination. The aircraft landed 200 ft short of the runway and received substantial damage while the two occupants were not injured. On scene… - [NTSB BFO87MA007](https://openairdocs.org/ntsb/BFO87MA007.md): Beech 65-A80 · Baltimore, MD · Accident · 1 fatal · Major investigation · Final report · Nov 8, 1986 · N304D · Destroyed > Drg clb after tkof, l eng seized. Plt said he atmtd 1 eng restart; prop would not rotate or feather. No emerg declared. Plt stated eng shut-dwn proc was used, scientific bus sws were shut off, r gen was recycled & appeared to oper normally. Plts got imt… - [NTSB MIA87LA021](https://openairdocs.org/ntsb/MIA87LA021.md): Smith, Ted Aerostar 601P · Jacksonville, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 5, 1986 · N8002J · Destroyed > While in cruise flight, the pilot noted that the left engine began losing power and oil pressure. He stated that he then shut down the engine and feathered the propeller. He declared an emergency and descended to land. While on final approach, he lowered the… - [NTSB FTW87FA007](https://openairdocs.org/ntsb/FTW87FA007.md): Bell 206B · Mustang Island · Accident · Serious injuries · Field investigation · Final report · Nov 1, 1986 · N5741K · Substantial damage > Acft experienced a power loss immediately after takeoff from an offshore platform in the gulf of Mexico. The plt held collective to clear the rig and then popped the floats and autorotated to the water. The auto was successful, however, the acft was struck by… - [NTSB FTW87LA008](https://openairdocs.org/ntsb/FTW87LA008.md): Hughes 269C · Monahans, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1986 · N8970F · Destroyed > The acft was destroyed during a forced landing following a partial loss of pwr after liftoff from a trailer. The acft settled back down onto the front of the trailer and subsequently rolled over. The eng continued to run following the roll over. The plt… - [NTSB ANC87LA010](https://openairdocs.org/ntsb/ANC87LA010.md): Taylorcraft BC-12D · Unalakleet, AK · Accident · No injuries · Limited investigation · Final report · Oct 24, 1986 · N95248 · Substantial damage > The private pilot with 14 hours experience in this airplane did not recognize that the carburetor heat control was not functioning properly. He did not recall draining the airplane's fuel sumps after refueling from exposed fuel tanks prior to takeoff.… - [NTSB DEN87LA004](https://openairdocs.org/ntsb/DEN87LA004.md): Piper PA-32R-301T · Grafton, ND · Accident · No injuries · Limited investigation · Final report · Oct 8, 1986 · N8125H · Substantial damage > Plt made forced landing on dirt road shortly after takeoff when the eng reportedly lost power. Plt extended landing gear but acft touched down before gear locked and left main landing gear collapsed. Left wing also struck a mailbox during rollout. Post… - [NTSB LAX87LA004](https://openairdocs.org/ntsb/LAX87LA004.md): Gillon Quickie Q2 · Goleta, CA · Accident · No injuries · Limited investigation · Final report · Oct 4, 1986 · N22SD · Substantial damage > Prior to the accident flight of the experimental homebuilt, the spark plug inserts in the engine cylinders were changed to steel ones. The pilot said that during the flight he heard a loud noise emanate from the engine followed by a partial loss of power. The… - [NTSB LAX86LA347](https://openairdocs.org/ntsb/LAX86LA347.md): Aero Commander 100 · Rio Linda, CA · Accident · No injuries · Limited investigation · Final report · Sep 14, 1986 · N3879X · Substantial damage > At the end of a local pleasure flight, the pilot noticed a loss of oil pressure approximately 10 miles north of Rio Linda airport. Three minutes later the engine began running rough and the pilot initiated an emergency landing in a rice field. Upon touchdown,… - [NTSB FTW86LA168](https://openairdocs.org/ntsb/FTW86LA168.md): Cessna T210M · Mc Alester, OK · Accident · Serious injuries · Limited investigation · Final report · Sep 14, 1986 · N7568M · Substantial damage > Sixty-six year old commercial pilot taking off from Mc Alester, OK airport. Pilot stated fuel pressure fluctuated followed by loss of power during initial climb. Pilot activated auxiliary fuel pumps and switched fuel tanks. Could not restore fuel pressure.… - [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 FTW86LA166](https://openairdocs.org/ntsb/FTW86LA166.md): Mooney M20E · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Sep 13, 1986 · N1250X · Substantial damage > The pilot apparently had neglected to check his engine oil supply before takeoff since there was no oil in the crankcase at the time of the accident. If five quarts of oil (the amount the pilot reportedly stated was in the engine at takeoff) had leaked out… - [NTSB NYC86IA231](https://openairdocs.org/ntsb/NYC86IA231.md): Piper PA-60-600 · Binghamton, NY · Incident · No injuries · Incident investigation · Final report · Sep 9, 1986 · N90349 · Minor damage > The plt stated that after leveling off at 9000 ft MSL. He heard a pop followed by an explosion in the left eng. The entire left side of the upper cowling was protruding into the airstream which caused the aircraft to roll to the right. The pilot had to use… - [NTSB ATL86LA248](https://openairdocs.org/ntsb/ATL86LA248.md): Ellis VARI-EZE · Wilkesboro, NC · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 1986 · N547EZ · Destroyed > Plt said he attempted to make a go around due to other acft on the rwy. When throttle was advanced engine remained at idle power. Plt elected to land in corn field at end of rwy. On landing roll acft nosed over inverted. Later exam of engine showed throttle… - [NTSB ATL86FMG10](https://openairdocs.org/ntsb/ATL86FMG10.md): Quickie Q2 · Clinton, NC · Accident · Serious injuries · Final report · Sep 4, 1986 · N206JB · Destroyed > The acft was destroyed during a forced lndg after a power loss during takeoff climb. The plts son witnessed the takeoff & saw the acft descend below trees north of the arpt. He said that the eng sounded out of time. During a post acc eng inspection the… - [NTSB SEA86LA237](https://openairdocs.org/ntsb/SEA86LA237.md): Cessna 150L · Kent, WA · Accident · No injuries · Limited investigation · Final report · Sep 3, 1986 · N18079 · Substantial damage > During an instructional flight a partial loss of power occurred due to the mixture control cable at the carburetor end becoming loose. During forced landing on a field, two railroad ties, on a dirt pile, were struck. It was dusk at the time of the accident. - [NTSB FTW86LA160](https://openairdocs.org/ntsb/FTW86LA160.md): Boeing E75 · Sweetwater, TX · Accident · No injuries · Limited investigation · Final report · Sep 2, 1986 · N4563N · Substantial damage > While the acft was in cruise flt, the engine suddenly went to idle power. The plt attempted to land in a clearing, but was unable to reach the intended area. During the landing, the acft collided with low mesquite trees, damaging the landing gear & wings. An… - [NTSB CHI86FA215](https://openairdocs.org/ntsb/CHI86FA215.md): Cessna 172P · Grayslake, IL · Accident · No injuries · Field investigation · Final report · Aug 29, 1986 · N53700 · Substantial damage > Drg cruise flt, there was a loss of eng power (decreasing to 1900 RPM). The plt initiated a precautionary landing on rwy 27, but overran the intended landing area. The acft contd beyond the end of the rwy & subsequently flipped over in a corn field, west of… - [NTSB SEA86LA226](https://openairdocs.org/ntsb/SEA86LA226.md): Hegsted S16B · Kelso, WA · Accident · No injuries · Limited investigation · Final report · Aug 27, 1986 · N10LH · Substantial damage > The student pilot was on final when the engine ceased operating. A forced landing was accomplished with touchdown being about 100 yards short of the runway. A hard landing was made with the aircraft coming to rest inverted. The needle valve to the carburetor… - [NTSB MIA86LA243](https://openairdocs.org/ntsb/MIA86LA243.md): Grumman G-44A · Hawthorne, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 1986 · N1629H · Substantial damage > The plt stated that upon touchdown on the lake the acft felt strange. He added full pwr and took off again but just after takeoff the acft rolled to the right and the nose dove. He removed pwr and with the controls full back, the acft hit the water with no… - [NTSB DEN86LA236](https://openairdocs.org/ntsb/DEN86LA236.md): Mayala Dragonfly · Helena, MT · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 1986 · N4478V · Substantial damage > The acft was on final apch after completing a x-country from billings, MT, when the accident occurred. The plt stated the acft was low after intercepting the VASI so power was added; however, the eng did not respond. The acft struck a small hill 300 ft short… - [NTSB SEA86LA208](https://openairdocs.org/ntsb/SEA86LA208.md): Curtiss JN4-D · Vancouver, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1986 · N511JN · Substantial damage > The plt reported a normal takeoff was made with 1300 RPM. At liftoff a small amount of black smoke emitted from both exhaust stacks and the RPM dropped to 1250. After clearing the rwy, more black smoke emitted and the RPM dropped to 1200. The plt cleared two… - [NTSB NYC86FA213](https://openairdocs.org/ntsb/NYC86FA213.md): Piper PA-46-310P · West Mifflin, PA · Accident · 2 fatal · Field investigation · Final report · Aug 16, 1986 · N27EE · Destroyed > At 2232 EDT, the acft was climbing to 15000 feet when the pilot reported a low oil pressure light. ATC advised jimmy stewart field is about eleven thirty and 15 miles. After the pilot asked, 'is that a tower field?', ATC advised he did not know, westmoreland… - [NTSB LAX86LA319](https://openairdocs.org/ntsb/LAX86LA319.md): Piper PA-28-140 · Rancho Mirage, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 1986 · N56189 · Substantial damage > The aircraft's engine lost power about thirty minutes after take-off and a forced landing was attempted. During the investigation the engine was started and run. It ran rough and would develop only partial power. The carburator was disassembled and a piece of… - [NTSB NYC86LA200](https://openairdocs.org/ntsb/NYC86LA200.md): Piper PA-38-112 · Grove City, PA · Accident · No injuries · Limited investigation · Final report · Aug 5, 1986 · N91356 · Substantial damage > The instructor plt (CFI) rprtd that shortly after takeoff, after climbing out of gnd effect, the acft seemed to lvl off & stop climbing. He took control fm the student & proceeded to check the instruments, but no specific abnormality was determined. He… - [NTSB SEA86LA187](https://openairdocs.org/ntsb/SEA86LA187.md): Boeing PT13/17 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1986 · N1307N · Substantial damage > The plt reported the engine started running rough near woodland, Washington and an approach was set up, but due to many aircraft in the pattern the pilot elected to go to scappose, Washington (about 10 NM south of woodland). At scappose, Washington the pilot… - [NTSB ANC86FA116](https://openairdocs.org/ntsb/ANC86FA116.md): Stinson 108-2 · Willow, AK · Accident · 2 fatal · Field investigation · Final report · Jul 28, 1986 · N942D · Destroyed > About 5 to 10 min prior to the acdnt, svrl witnesses in the vicinity of the Willow arpt saw the acft headed southbound. They rprtd the eng was running rough, but they saw no smoke or fire. Aprx 3 mi further south, other witnesses saw the acft make a 180 deg… - [NTSB DEN86LA209](https://openairdocs.org/ntsb/DEN86LA209.md): Piper PA-28-180 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Jul 26, 1986 · N7592W · Destroyed > The plt reports that the flt was descending through 7,000 ft approaching the dest arpt when the eng began to run rough and lost pwr. The flt continued toward to the arpt but was unable to reach the rwy and landed about 1/4 mi short. After touchdown the acft… - [NTSB ATL86LA206](https://openairdocs.org/ntsb/ATL86LA206.md): Cessna 150 · Surfside Beach, SC · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 1986 · N4519U · Destroyed > During first banner tow of the day, plt reported that the eng lost power during initial climb after the banner was hooked. The banner was released and acft descended into trees 1 mile from the pick-up point. Inspection of the eng confirmed a magneto ignition… - [NTSB CHI86FA174](https://openairdocs.org/ntsb/CHI86FA174.md): Cessna 172K · Random Lake, WI · Accident · 2 fatal · Field investigation · Final report · Jul 20, 1986 · N79069 · Destroyed > The acft lost pwr on final apprch and crashed into a swamp. Post accident investigation revealed that the eng camshaft was worn reducing the pwr output of the powerplant. - [NTSB BFO86LA040](https://openairdocs.org/ntsb/BFO86LA040.md): Cessna 172L · Aberdeen, MD · Accident · No injuries · Limited investigation · Final report · Jul 16, 1986 · N3933Q · Destroyed > The plt stated that the eng began to run rough during flt, then all at once, it started vibrating excessively. He attempted to land at the phillips aaf, but the arpt was closed & the rwy lights were not illuminated. By the time he saw the rwy, the acft was… - [NTSB ATL86FEI08](https://openairdocs.org/ntsb/ATL86FEI08.md): Fairchild 24R-46 · Canton, OH · Accident · Serious injuries · Final report · Jul 15, 1986 · N77670 · Substantial damage > The plt reported that he was taking off after making a touch and go ldg; as he 'pushed (the) throttle forward on lift-off (the) engine began to quit'. The engine subsequently quit altogether at about 200-300 feet AGL over the departure end of the rwy.… - [NTSB CHI86FA170](https://openairdocs.org/ntsb/CHI86FA170.md): Grumman AA5B · Benton Harbor, MI · Accident · Serious injuries · Field investigation · Final report · Jul 14, 1986 · N81259 · Destroyed > The aircraft departed on runway 09. Passenger remembers the pilot starting to turn back to the airport when the wings went perpendicular to the horizon and the ground came rushing up. Teardown of the engine revealed a bent push rod and a split push rod shroud… - [NTSB ANC86LA099](https://openairdocs.org/ntsb/ANC86LA099.md): Piper PA-31-350 · Barrow, AK · Accident · No injuries · Limited investigation · Final report · Jul 4, 1986 · N4109E · Substantial damage > The plt stated there were mechanical problems with the acft but it was decided to fly it back to another arpt for repairs. Enroute the plt shut down the right eng because of an oil leak. While attempting to crossfeed fuel, the plt accidently pushed the left… - [NTSB NYC86FHD01](https://openairdocs.org/ntsb/NYC86FHD01.md): Piasecki Acft. Helistat 97-34J · Lakehurst, NJ · Accident · 1 fatal · Final report · Jul 2, 1986 · N1897Z · Destroyed > The helistat, a hybrid a/c with 4 H-34 main fuselages attached to a frame along with a ZPG-2 helium filled envelope had just completed it first hover test flt successfully and landed. A pwr loss was noted on the no. 3 helicopter and the test was terminated… - [NTSB MKC86LA131](https://openairdocs.org/ntsb/MKC86LA131.md): Charles S.Hatchette Quickie Q2 · Goodland, KS · Accident · No injuries · Limited investigation · Final report · Jun 22, 1986 · N162P · Substantial damage > The pilot experienced a gradual loss of engine power during cruise and made a forced landing to a field. During the landing roll, the plane hit a hole and nosed over. Examination found that a fuel vent line had melted closed in the vicinity of the exhaust… - [NTSB FTW86FPJ09](https://openairdocs.org/ntsb/FTW86FPJ09.md): Quick Silver Mxii · Ardmore, OK · Accident · Serious injuries · Final report · Jun 20, 1986 · N4410W · Substantial damage > The acft landed short of the rwy after losing eng pwr during the apch. Post acc inspection showed that the bearing on the pwr shaft failed. This allowed the belt tension to become slack which reduced the prop RPM. No other discrepancies were noted. - [NTSB ATL86LA177](https://openairdocs.org/ntsb/ATL86LA177.md): Piper PA-24-250 · West Chester, OH · Accident · No injuries · Limited investigation · Final report · Jun 20, 1986 · N6639P · Substantial damage > Drg flt, the eng lost power & the plt was unable to maintain alt. He made a forced landing on a road, but drg the lndg roll, the acft collided with a road sign. A post crash exam of the eng revealed the #6 cylinder had separated aprx 4' above the cylinder… - [NTSB DEN86LA166](https://openairdocs.org/ntsb/DEN86LA166.md): Piper PA-36 · Onida, SD · Accident · No injuries · Limited investigation · Final report · Jun 19, 1986 · N3856E · Destroyed > The plt reported a partial loss of pwr occurred momentarily before liftoff. The takeoff was continued and once airborne the pwr loss reoccurred. The load was dumped, however, the acft impacted trees aprx 1 mile from the arpt as sufficient alt could not be… - [NTSB ANC86LA084](https://openairdocs.org/ntsb/ANC86LA084.md): Cessna 180 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jun 19, 1986 · N2393C · Substantial damage > The plt reported that a loud bang was heard at an alt of about 25 ft AGL shortly after takeoff. The acft settled to the rwy and pwr was regained. The acft then veered off the left side of the rwy and nosed over. Post accident inspection revealed maintenance… - [NTSB FTW86LRD16](https://openairdocs.org/ntsb/FTW86LRD16.md): Grumman G-164B · Abbeville, LA · Accident · No injuries · Final report · Jun 17, 1986 · N48592 · Substantial damage > The pilot stated he made a successful forced landing, due to loss of power, and then had to flip the aircraft to prevent colliding with a lateral (above ground irrigation system) with a water depth of about four feet. Subsequent engine examination revealed… - [NTSB CHI86LA156](https://openairdocs.org/ntsb/CHI86LA156.md): Cessna 172P · Grand Rapids, MN · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1986 · N52565 · Substantial damage > The CFI and sp were returning from a transition. Enroute the #3 exhaust valve push rod failed. When the CFI smelled 'something burning' she shut down the engine. During the descent struck power lines. Acft ld in swampy terrain and nosed over inverted. - [NTSB ANC86LA077](https://openairdocs.org/ntsb/ANC86LA077.md): Piper J3C-65 · Vogel Lake, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1986 · N1556N · Substantial damage > After takeoff from a small lake the pilot stated that engine started to run rough. The pilot stalled the aircraft and crashed into the lake. Examination of the engine revealed that the number 4 cylinder primer port plug was broken. - [NTSB SEA86LA148](https://openairdocs.org/ntsb/SEA86LA148.md): Mooney M20-C · Paradise Valley, NV · Accident · No injuries · Limited investigation · Final report · Jun 15, 1986 · N6263U · Substantial damage > A forced landing was made due to a very rough running engine accompanied by backfiring. It was discovered on engine examination that the spark plugs were worn beyond service limits. During landing roll a cattle guard was struck with the wing tips. Next page: https://openairdocs.org/ntsb.md?year=1986&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") = 1986 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=1986 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.