# NTSB investigations: Amateur-built UNKNOWN ENG

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 33 of 41 · 2,048 cases

## Cases, newest first

- [NTSB CHI88LA168](https://openairdocs.org/ntsb/CHI88LA168.md): Enstrom 280FX · Menominee, MI · Accident · No injuries · Limited investigation · Final report · Jul 16, 1988 · N280FX · Substantial damage
  > During a demonstration of an autorotation to a run-on landing, the helicopter skids dragged in the soft grass upon touchdown, and the helicopter veered to the left. The pilot failed to maintain aircraft control when the helicopter veered left, the right skid…
- [NTSB MKC88LA130](https://openairdocs.org/ntsb/MKC88LA130.md): Beech A-36 · Marion, IA · Accident · No injuries · Limited investigation · Final report · Jul 8, 1988 · N25496 · Substantial damage
  > While attempting to land after one go-around. Witnesses said the acft touched down beyond the half way point on the 2300 foot sod runway. He appeared to be high and fast according to witnesses. The pilot said he might have mistaken the threshold and landed…
- [NTSB NYC88DHD02](https://openairdocs.org/ntsb/NYC88DHD02.md): Darlington Monnett Moni · Vincentown, NJ · Accident · Minor injuries · Final report · Jun 29, 1988 · N2276R · Substantial damage
  > The plt was on his 1st flt in the home built acft. During the initial climb after takeoff, he diverted his attention from the airspeed indicator to other instruments. He believed that he may have inadvertently pulled up the nose at that time. Subsequently,…
- [NTSB LAX88DVD05](https://openairdocs.org/ntsb/LAX88DVD05.md): Kerlin Avid Flyer · Tracy, CA · Accident · No injuries · Final report · Jun 12, 1988 · N4642S · Substantial damage
  > During a local high speed taxi test, the airplane became airborne. Shortly after takeoff the engine quit. The airplane was landed straight ahead in an open field. During the landing roll, the airplane nosed over. The pilot did not report any mechanical…
- [NTSB SEA88LA107](https://openairdocs.org/ntsb/SEA88LA107.md): Beech A36 · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · Jun 8, 1988 · N7243X · Substantial damage
  > Airframe ice was accumulating on the aircraft at 13,000 feet so the pilot requested an altitude of 14,000 feet. At 14,000 feet the pilot lost control of the aircraft and descended down to 6,500 feet before recovering. The pilot had stated that he felt he had…
- [NTSB ATL88LA180](https://openairdocs.org/ntsb/ATL88LA180.md): Stinson 108-2 · Avon, OH · Accident · Serious injuries · Limited investigation · Final report · May 27, 1988 · N8563K · Substantial damage
  > The acft was on initial climb out when the eng quit. The acft was at an estimated altitude of 100 ft and over trees at the time of the power loss. The plt attempted to return to the airstrip. The acft landed hard in a nose down position off to the side of the…
- [NTSB MKC88LA096](https://openairdocs.org/ntsb/MKC88LA096.md): Mccurry Taylor Monoplane · Marshalltown, IA · Accident · No injuries · Limited investigation · Final report · May 24, 1988 · N4256B · Substantial damage
  > The pilot stated that he had intentionally shut down the engine-- so as to attempt a power off 'deadstick' landing. As he was descending, the pilot changed his plans and decided to restart the engine--but the engine would not start. While attempting the…
- [NTSB SEA88LA099](https://openairdocs.org/ntsb/SEA88LA099.md): Brown 1911 Bellanca · Carson City, NV · Accident · No injuries · Limited investigation · Final report · May 21, 1988 · N10317 · Substantial damage
  > The purpose of the flight was to test a new type of propeller which had just been installed on the aircraft. The pilot noticed prior to rotation an increase in the RPM. At rotation the nose up pitch was excessive. The pilot lowered the nose of the aircraft to…
- [NTSB FTW88LA093](https://openairdocs.org/ntsb/FTW88LA093.md): Pezetel PZL-M-18 · Cheneyville, LA · Accident · No injuries · Limited investigation · Final report · Apr 25, 1988 · N4226V · Substantial damage
  > The pilot said that after takeoff the aircrft seemed extremely tail-heavy and that he used 'both feet and one arm' to hold forward stick. He said the aircraft was almost uncontrollable in pitch and displayed a right turning tendendcy. The pilot returned to…
- [NTSB ANC88LA050](https://openairdocs.org/ntsb/ANC88LA050.md): Cessna 180 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Apr 25, 1988 · N91290 · Substantial damage
  > The pilot returned to Fairbanks int'l airport from an intended cross-country flight due to deteriorating weather. During the flight the airplane felt out of trim, and she elected to land on the longest runway available (10,300). During the landing roll she…
- [NTSB FTW88MA083](https://openairdocs.org/ntsb/FTW88MA083.md): British Aerospace BAE-3101 · Decatur, TX · Accident · No injuries · Major investigation · Final report · Mar 25, 1988 · N411AE · Substantial damage
  > Airplane's encounter with rought terrain during an attempted forced landing. The forced landing was necessitated after the captain used improper procedures to shutdown the left engine in flight following an unexplained torque fluctuation.
- [NTSB MKC88LA057](https://openairdocs.org/ntsb/MKC88LA057.md): Morane-Saulnier F1-156C · Pine Bluff, AR · Accident · No injuries · Limited investigation · Final report · Feb 27, 1988 · N44FS · Substantial damage
  > The pilot, while hand-propping the acft for a personal flt, started the engine. The cockpit was unattended. He was assisted by two ground crewmembers that were holding onto the wing struts. After starting, the engine progressively developed more power, and…
- [NTSB MIA88LA076](https://openairdocs.org/ntsb/MIA88LA076.md): Crusenberry Windwagon · Lantana, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 26, 1987 · N5223C · Substantial damage
  > While on a high speed taxi test the acft inadvertently became airborne. While looking out the rt side of the acft the plt rolled it into a rt bank. He then leveled the wings after which the acft stalled, touched down and separated the main landing gear wheels…
- [NTSB ATL88LA038](https://openairdocs.org/ntsb/ATL88LA038.md): Cessna 172A · Dayton, OH · Accident · No injuries · Limited investigation · Final report · Nov 15, 1987 · N7623T · Substantial damage
  > The plt rptd that the engine began to sputter and lose power shortly after takeoff. A forced ldg was subsequently made in a nearby river. The acft nosed over on ldg and came to rest partially submerged in about 4 feet of water. Post-crash exam of the airplane…
- [NTSB LAX88DUM01](https://openairdocs.org/ntsb/LAX88DUM01.md): Durbin Monnett Moni · Ramona, CA · Accident · Serious injuries · Final report · Nov 1, 1987 · N190PJ · Destroyed
  > Acquaintances of the plt rprtd he had performed maintenance to repair an inoperative airspeed indicator. He then took off on a test flt. A witness, who was a plt, rprtd the eng started to 'cut out' at about 200 to 300 ft AGL, the tail 'waggled a couple of…
- [NTSB SEA87LA196](https://openairdocs.org/ntsb/SEA87LA196.md): Cessna 150F · Mount Vernon, WA · Accident · No injuries · Limited investigation · Final report · Sep 27, 1987 · N8751S · Substantial damage
  > The aircraft's engine ceased operating due to fuel exhaustion about five miles short of the destination airport. A field was selected for the landing site. During the landing roll, the aircraft nosed over on freshly plowed terrain.
- [NTSB LAX87DUG09](https://openairdocs.org/ntsb/LAX87DUG09.md): Geiger Dragonfly · Chino, CA · Accident · No injuries · Final report · Sep 15, 1987 · N157JG · Substantial damage
  > At the end of a performance test flight, the plt stated that the acft was rotated to a landing attitude at a higher then normal altitude above the ground. The acft contacted the rwy and bounced three times, resulting in substantial damage.
- [NTSB DEN87LA236](https://openairdocs.org/ntsb/DEN87LA236.md): Let L-13 · Buena Vista, CO · Accident · No injuries · Limited investigation · Final report · Sep 5, 1987 · N38924 · Substantial damage
  > The plt was ferrying the glider to Buena Vista, Colorado & had previously obtained permission to land on a closed rwy. After being towed to the Buena Vista area, he released the glider from the tow plane & flew in the local area for about 40 min. He then…
- [NTSB MIA87FA234](https://openairdocs.org/ntsb/MIA87FA234.md): Piper PA-38-112 · Vero Beach, FL · Accident · Serious injuries · Field investigation · Final report · Aug 26, 1987 · N2316D · Destroyed
  > The student plt was on an aprx 380 mi solo x-country flt fm Vero Beach (vrb) to naples (apf), brooksville (bkv) & back to vrb. He thought he had plenty of fuel for the flt & elected to dep w/o taking a credit card (for fuel). When he lndd at apf & bkv, he did…
- [NTSB NYC87LA238](https://openairdocs.org/ntsb/NYC87LA238.md): Boeing B-17G · Beaver Falls, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 1987 · N93012 · Substantial damage
  > Drg an apch in gusty winds, the plt noted a rgt x-wind. He stated that after touchdown, the roll-out was stabilized for a short distance, then the rgt wing began to lift. He applied full aileron & rudder to maint control, but was unable to stop on the…
- [NTSB NYC87DHJ02](https://openairdocs.org/ntsb/NYC87DHJ02.md): Reder KR-2 · Mattituck, NY · Accident · 2 fatal · Final report · Aug 22, 1987 · N2262N · Destroyed
  > Witnesses observed the experimental homebuilt acft in a steep nose down attitude descent with its prop rotating. No witnesses were located who saw the acft prior to the descent, however, pilots in the area reported that winds were turbulent and gusty. The…
- [NTSB LAX87DUG06](https://openairdocs.org/ntsb/LAX87DUG06.md): Curtiss JN-4 · Riverside, CA · Accident · Minor injuries · Final report · Aug 5, 1987 · N3712 · Substantial damage
  > During a business flight, the engine experienced a loss of engine power. The pilot made a forced landing in an open area where during the touchdown, the aircraft was substantially damaged. The plt stalled the acft while still several ft off the ground. The…
- [NTSB BFO87LA060](https://openairdocs.org/ntsb/BFO87LA060.md): Fleet 16B · Spencer, WV · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 1987 · N47058 · Substantial damage
  > Shortly after takeoff on runway 16, the engine began misfiring. The pilot turned back toward the airport to make a landing. He circled the airport and then attemped to land on runway 34. The pilot stated he was over the approach end ofrunway 34, turning left…
- [NTSB MIA87IA204](https://openairdocs.org/ntsb/MIA87IA204.md): Boeing 727-225 · Washington, DC · Incident · No injuries · Incident investigation · Final report · Jul 11, 1987 · N8892Z · Minor damage
  > Drg arr, the acft's radar showed tstms in the area of the arpt. As the flt contd, ATIS info chgd. When the plts ctcd Washington apch ctl with old ATIS info, the ctlr did not correct the flt. They were adzd of hvy rain, strong wnds & a PIREP of wndshr nr the…
- [NTSB ATL87DLT03](https://openairdocs.org/ntsb/ATL87DLT03.md): Burkhart Grob G102-111B · Memphis, TN · Accident · 1 fatal · Final report · Jul 11, 1987 · N3950L · Destroyed
  > Glider tow rope released at about 200FT following t/o. glider made rt turn followed by stall/spiral which continued until ground impact. Tow pilot saw glider pilot's hat falling to ground just after tow rope was released by glider pilot. Glider canopy was…
- [NTSB ATL87LA207](https://openairdocs.org/ntsb/ATL87LA207.md): Aerostar RX-7 · Crestwood, KY · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 1987 · N2897H · Substantial damage
  > The balloon contacted power lines as it was beginning to climb after an aborted ldg attempt. Electrical arcing ignited the propane fuel supply on board. The sole-occupant student plt jumped from the burning balloon and fell approx 40 ft onto a fence. The…
- [NTSB ATL87LA199](https://openairdocs.org/ntsb/ATL87LA199.md): Burkhart Grob G-103A · Mt. Airy, NC · Accident · No injuries · Limited investigation · Final report · Jul 5, 1987 · N930BG · Substantial damage
  > The instructor stated this was the second flight of the day with the student. They had released from an air tow at 1,500 feet AGL. The instructor was demonstrating glide slope control for best final glide. When the sailplane was about 1,000 feet AGL and one…
- [NTSB ATL87DEI06](https://openairdocs.org/ntsb/ATL87DEI06.md): Steen Skybolt · Wadsworth, OH · Accident · 2 fatal · Final report · Jun 25, 1987 · N86173 · Destroyed
  > The accident occurred when the pilot was practicing aerobatics. The investigation disclosed that linkage control rods between the pilot's stick and the pitch elevator was broken. The evidence indicated that the failure was caused by a combination of…
- [NTSB LAX87LA243](https://openairdocs.org/ntsb/LAX87LA243.md): Boeing 737-277 · Los Angeles, CA · Accident · No injuries · Limited investigation · Final report · Jun 23, 1987 · N184AW · 2 aircraft · Substantial damage
  > Failure of the qualified mechanic to insure the operation of the aircraft brakes prior to taxiing and his failure to utilize the emergency brake system to prevent the collision. Contributing to this accident was the decision of airline maintence supervisors…
- [NTSB LAX87LA244](https://openairdocs.org/ntsb/LAX87LA244.md): Nord 3202 · Bishop, CA · Accident · No injuries · Limited investigation · Final report · Jun 22, 1987 · N32RM · Substantial damage
  > During a relocation flight of a newly purchased acft, the plt was making a cross wind landing when on touchdown the left wing raised. The plt corrected by applying left aileron, however, he also relaxed the back pressure on the control stick allowing the tail…
- [NTSB CHI87IA163](https://openairdocs.org/ntsb/CHI87IA163.md): Boeing 757-251 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Jun 18, 1987 · N515US · Minor damage
  > A northwest airlines Boeing 757, operating as flight 336, scraped the tail cone area of the fuselage on the runway when the pilot failed to maintain sufficient ground clearance during rotation and takeoff from Detroit, Michigan. The Boeing 757 flight…
- [NTSB MIA87LA164](https://openairdocs.org/ntsb/MIA87LA164.md): Cessna 402C · Missing Acft, Bahamas · Accident · 1 fatal · Limited investigation · Final report · May 27, 1987 · N2652B · Destroyed
  > On 5/27/87 at about 0915 EDT, the plt departed palm beach intl arpt (pbi) on a flt to marsh harbour, great abaco island, Bahamas. When the Acft did not arrive at the destination, a search was initiated. The Acft was not fnd & was presumed to have been…
- [NTSB DEN87LA124](https://openairdocs.org/ntsb/DEN87LA124.md): Brantly Helicopter 305 · Golden, CO · Accident · No injuries · Limited investigation · Final report · May 14, 1987 · N5JM · Substantial damage
  > The commercial plt was performing hover tests in his experimental helicopter at his private helipad, located 60 feet from his residence. The plt reported winds as variable gusting to 40 knots. The plt's attention was diverted and a wind gust pushed the…
- [NTSB ANC87LA069](https://openairdocs.org/ntsb/ANC87LA069.md): Fairchild C-119L · Shageluk, AK · Accident · No injuries · Limited investigation · Final report · May 14, 1987 · N8504X · Substantial damage
  > The airplane was destabilized by a slight vertical air movement on approach. The pilot touched the airplane down short of the runway proper, collapsing the landing gear before sliding off the strip into adjacent tundra.
- [NTSB LAX87DVA06](https://openairdocs.org/ntsb/LAX87DVA06.md): North American F-86F · Shafter, CA · Accident · 1 fatal · Final report · Apr 25, 1987 · N86Z · Destroyed
  > Following an airshow, the pilot transmitted while on final approach to the runway, that the engine had seized. The aircraft was landed with the landing gear retracted. During the flare the aircraft became uncontrollable, bounced several times on the runway,…
- [NTSB LAX87DUG03](https://openairdocs.org/ntsb/LAX87DUG03.md): Frimelt Werner Moni 164 · Lake Riverside, CA · Accident · Serious injuries · Final report · Apr 25, 1987 · N189L · Substantial damage
  > Just after take off of a homebuilt, experimental acft, a witness observed the acft at aprx 150 ft AGL initiate a 15 deg turn to the right. Immediately thereafter the acft pitched down slightly and began to lose altitude, then abruptly entered a spin and…
- [NTSB FTW87DRA02](https://openairdocs.org/ntsb/FTW87DRA02.md): Hunter Executive · Arcola, TX · Accident · No injuries · Final report · Apr 18, 1987 · N9728N · Destroyed
  > The acft was being test flown following the replacement of a tail rotor drive belt. Following a ground run up and ground taxi, several hovering flts were made successfully. As the non-helicopter rated plt was hovering back to the parking area, he heard the…
- [NTSB DEN87LA104](https://openairdocs.org/ntsb/DEN87LA104.md): Devore Sunbird 100 · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Apr 18, 1987 · N100VL · Substantial damage
  > An experimental designed prototype acft was being flown on its first flt. The acft took off and flew in ground effect beyond the arpt boundary. At full pwr, the acft could not maintain altitude and descended uncontrolled to an impact with the terrain. The…
- [NTSB DEN87LA097](https://openairdocs.org/ntsb/DEN87LA097.md): Mclachlan Moni · Tooele, UT · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 1987 · N96606 · Substantial damage
  > The private plt was cruising the local area near his home in his homebuilt experimental moni. The newly installed engine began to run rough. This engine is not a traditional acft engine and was a two cycle, two cylinder engine manufactured in italy, with an…
- [NTSB LAX87DUJ04](https://openairdocs.org/ntsb/LAX87DUJ04.md): Benson B-8M · Fountain Hills, AZ · Accident · 1 fatal · Final report · Mar 28, 1987 · N282A · Substantial damage
  > Witnesses stated that the homebuilt gyrocopter entered a steep climb and appeared to roll completely over. Halfway through the engine backfired and then quit. The aircraft went into a steep dive. The aircraft impacted the terrain near vertically.
- [NTSB MIA87FA118](https://openairdocs.org/ntsb/MIA87FA118.md): Aero Mirage TC-2 · Williston, FL · Accident · 1 fatal · Field investigation · Final report · Mar 25, 1987 · N2484V · Destroyed
  > Witnesses stated that the acft made a 'fly by' at 300 ft to check and see if the gear was down. The ground personnel informed the plt that the gear appeared to be down. They stated that the acft then made a sharp left turn paralleling runway 14, they lost…
- [NTSB NYC87FA114](https://openairdocs.org/ntsb/NYC87FA114.md): Bell 47G · Wassaic, NY · Accident · 2 fatal · Field investigation · Final report · Mar 19, 1987 · N13766 · Destroyed
  > The Bell 47G helicopter was on a aerial survey of buried telephone cable when the red main rotor blade separated from the blade grips in flight. The main rotor hub with the main rotor blade separated from the transmission and the helicopter crashed. No…
- [NTSB MKC87IA043](https://openairdocs.org/ntsb/MKC87IA043.md): Embraer EMB-120 · Springfield, MO · Incident · No injuries · Incident investigation · Final report · Jan 23, 1987 · N120AM · Minor damage
  > The PIC of this air midwest flt 4408 said that, while on initial climb, power (np) on the left engine decayed to 60% and would not recover. The engine was feathered by condition lever but the torque rose to 140% while returning for a landing, according to the…
- [NTSB CHI87LA045](https://openairdocs.org/ntsb/CHI87LA045.md): Hiller UH-12B · Capac, MI · Accident · No injuries · Limited investigation · Final report · Nov 29, 1986 · N48209 · Substantial damage
  > Ten minutes after takeoff and just prior to letdown from 350 feet AGL a main rotor blade drag strut failed due to progressive fatigue through a threaded portion of the strut. Only partial control of the helicopter was possible after the failure. The pilot…
- [NTSB CHI87LA032](https://openairdocs.org/ntsb/CHI87LA032.md): Burkhart Grob 109B · Gregory, MI · Accident · No injuries · Limited investigation · Final report · Nov 15, 1986 · N58287 · Substantial damage
  > While landing, the aircraft bounced twice, so the pilot decided to go around and make a second attempt. On climb out, the landing gear struck 65 ft tall trees at the end of the runway. The aircraft then stalled and collided with the terrain. Reportedly, the…
- [NTSB CHI87IA026](https://openairdocs.org/ntsb/CHI87IA026.md): Boeing 757-251 · Washington, DC · Incident · No injuries · Incident investigation · Final report · Nov 6, 1986 · N516US · No damage
  > Drg an en route climb, aileron control (ctl) bcm progressively more stiff. At cruise alt, the autoplt disengaged & the ailerons would not move. Aileron ctl was restored after a dscnt below the freezing level. The acft was flown below the freezing lvl for the…
- [NTSB ATL86FA266](https://openairdocs.org/ntsb/ATL86FA266.md): Piper TG8-J3C-65 · Apex, NC · Accident · 1 fatal · Field investigation · Final report · Sep 26, 1986 · N27047 · Destroyed
  > The plt was practicing takeoffs and landings in his newly acquired J3 at a private airstrip when the eng sputtered and then quit. The plt lost control of the acft and hit a 't' hanger prior to hitting the ground. The acft caught fire and was destroyed,…
- [NTSB NYC86FNC09](https://openairdocs.org/ntsb/NYC86FNC09.md): Cessna 205 · Twin Mountain, NH · Accident · Minor injuries · Final report · Sep 20, 1986 · N27WD · Substantial damage
  > During a 'bomb drop' contest at an organized 'fly-in', the pilot was maneuvering at low airspeed so his passenger could drop a water-filled balloon on a target which had been placed on runway 27. The acft suddenly banked to the right and pitched down striking…
- [NTSB FTW86FRD25](https://openairdocs.org/ntsb/FTW86FRD25.md): WSK PZL Mielec PZL-M18 · Mer Rouge, LA · Accident · 1 fatal · Final report · Sep 15, 1986 · N2710L · Destroyed
  > The pilot pulled up steeply at the end of a spray run and started a turn-around. During this time he allowed the airspeed to bleed off to the point at which the aircraft stalled and entered a spin without sufficient altitude to recover before ground impact…
- [NTSB ANC86LA164](https://openairdocs.org/ntsb/ANC86LA164.md): Cessna 195A · Willow, AK · Accident · No injuries · Limited investigation · Final report · Sep 9, 1986 · N9342A · Substantial damage
  > The pilot reported that while demonstrating high speed taxi, the airplane veered to the left, entered an open trench, and was damaged. An exam of the flight control and brake systems revealed no pre-accident mechanical malfunction or failure.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=34

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&page=33

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