NTSB investigations: Pratt & Whitney R-985 series
50 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the first occurrence was “Loss of control - in flight”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1982 | 2 |
|---|---|
| 1983 | 3 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 1 |
| 1992 | 4 |
| 1994 | 3 |
| 1995 | 3 |
| 1997 | 3 |
| 1999 | 3 |
| 2001 | 2 |
| 2002 | 4 |
| 2003 | 4 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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 ('52008')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 250))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 ('52008')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC07MA083Accident · 5 fatalMajor investigationFinal reportde Havilland DHC-2 · Ketchikan, AKAn inadvertent aerodynamic stall resulting from the pilot's poor decision-making and inadequate planning and execution when he took off toward nearby rising terrain, in strong winds, under circumstances where his options for maneuvering were severely limited…NTSB DFW06CA113Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · De Witt, ARThe pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds.NTSB DFW06LA087Accident · 1 fatalLimited investigationFinal reportWeatherly 201B · Hondo, TXA loss of aircraft control for undetermined reasons.NTSB DFW05CA212Accident · No injuriesData collectionFinal reportGrumman G164B · Alexandria, LAThe pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude.NTSB IAD05LA038Accident · Minor injuriesLimited investigationFinal reportGrumman G-21A · Penn Yan, NYThe flight instructor's inadequate planning/decision and his remedial action to conduct or recover from a simulated emergency procedure.NTSB LAX04FA330Accident · Serious injuriesField investigationFinal reportBushmaster 2000 · Fullerton, CAthe inadequate preflight inspection by the pilot-in-command, where the pilot failed to remove the makeshift gust lock attached to the rudder and left elevator of the airplane. As a result, the airplane veered off the runway surface during the takeoff roll,…NTSB CHI04CA163Accident · No injuriesData collectionFinal reportGrumman G-164A · Hutchinson, MNThe pilot's failure to maintain airspeed during the low altitude turn after takeoff. A factor to the accident was the low altitude and the swampy terrain condition.NTSB LAX04CA010Accident · No injuriesData collectionFinal reportAvions Max Holste MH 1521 Broussard · El Cajon, CAthe pilot's premature liftoff and his failure to attain an adequate takeoff airspeed, which resulted in a stall. The pilot's failure to correctly set the pitch trim before takeoff was a factor.NTSB NYC04CA005Accident · No injuriesData collectionFinal reportHoward DGA-15P · Leonardtown, MDThe pilot's failure to maintain directional control during an aborted landing.NTSB LAX03LA239Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Hamilton City, CAThe pilot's failure to maintain adequate airspeed to avert stalling during a low altitude turn.NTSB LAX03FA111Accident · 3 fatalField investigationFinal reportBeech 3NM · Anza, CAthe failure of the pilot to maintain an adequate airspeed resulting in a stall and loss of control.NTSB ANC02LA123Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Bethel, AKThe instructor pilot's inadequate preflight by his failure to remove all frost from the wings prior to takeoff, which resulted in an inadvertent stall and in-flight collision with terrain.NTSB CHI02CA194Accident · No injuriesData collectionFinal reportGrumman G-164 · Browning, ILthe failure of the pilot-in-command to maintain sufficient airspeed while maneuvering. The initial stages of a stall/mush condition, and the low maneuvering altitude due to the agricultural application pass, were contributing factors.NTSB ATL02LA131Accident · No injuriesLimited investigationFinal reportBeech 18 · Venice, FLThe pilot's improper use of flight controls during takeoff, that resulted in the loss of control during takeoff.NTSB ANC02FA028Accident · 1 fatalField investigationFinal reportBeech E18S · Juneau, AKThe pilot's excessive loading of the airplane that precipitated an inadvertent stall/mush during the initial climb.NTSB CHI01LA273Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Hazelton, NDthe pilot's ostentatious display when he performed a low level manuever and stalled the airplane.NTSB FTW01FA117Accident · 2 fatalField investigationFinal reportConvair BT-13A · Odessa, TXthe pilot's failure to maintain the minimum required airspeed for flight, which resulted in a loss of control while performing a go-around. A contributing factor to the accident was the gusty tailwind condition.NTSB NYC99LA119Accident · No injuriesLimited investigationFinal reportHoward DGA-15P · Covington, KYThe pilot's failure to maintain directional control during the takeoff/initial climb. A factor in the accident was the crosswind condition.NTSB FTW99LA101Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jennings, LAThe pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.NTSB MIA99FA095Accident · 2 fatalField investigationFinal reportBeech AT11/18 · Tampa, FLthe pilot's failure to maintain control of the airplane resulting in an inadvertent stall at too low an altitude to allow for recovery.NTSB FTW98LA058Accident · Serious injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Lecompte, LAa loose battery cover, due to improper installation by maintenance personnel, that became jammed with an elevator control rod and restricted the movement of the elevator control system, which subsequently led to an uncontrolled impact with a tree, shortly…NTSB SEA97LA169Accident · No injuriesLimited investigationFinal reportWeatherly 620B · Newdale, IDThe pilot's inadequate preflight/planning preparation which resulted in the aircraft exceeding the maximum gross weight, and inability to climb. A factor was high density altitude.NTSB LAX97FA108Accident · Minor injuriesField investigationFinal reportBeech H18 · Honolulu, HIloss of aircraft control for undetermined reason(s).NTSB CHI95LA272Accident · Minor injuriesLimited investigationFinal reportGrumman G-164 · Wadena, MNthe pilot's inattentiveness during the reversal turn, the pilot not maintaining control of the airplane, and the stall/mush encountered by the pilot.NTSB ATL95LA122Accident · No injuriesLimited investigationFinal reportWeatherly 201B · Andalusia, ALThe pilot's failure to maintain airspeed in a climbing turn, that resulted in an inadvertent stall.NTSB FTW95LA197Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Abbeville, LAThe inadvertent stall.NTSB CHI95LA053Accident · 1 fatalLimited investigationFinal reportBeech E18S · Kansas City, MOFailure of the pilot to maintain adequate airspeed on final approach, which resulted in an inadvertent stall/spin. Factors related to the accident were: the adverse weather (icing) conditions, the accumulation of airframe/wing ice, the pilot's improper use of…NTSB FTW94LA270Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Shreveport, LAThe pilot's incapacitation due to a heart attack.NTSB LAX94LA155Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Chico, CAthe failure of the pilot to obtain/maintain sufficient flying speed during a downwind takeoff and climb, compounded by his reluctance to use full available takeoff power.NTSB CHI92DTG03Accident · No injuriesFinal reportGrumman G-164A · Orr, NDA stall encountered during the spray run reversal turn. Factors related to the accident are the attempted downwind turn, and insufficient altitude for recovery.NTSB NYC92LA102Accident · No injuriesLimited investigationFinal reportGrumman 164A · Bridgeton, NJThe pilot's improper application of takeoff power which resulted in a lengthened takeoff roll, and his subsequent steep turn to avoid an obstacle causing the airplane to stall at a low altitude.NTSB FTW92LA103Accident · No injuriesLimited investigationFinal reportSnow S2C · Roby, TXThe pilot's inadvertent stall of the airplane while maneuvering and subsequent loss of control.NTSB FTW92LA093Accident · Serious injuriesLimited investigationFinal reportBoeing A-75N1 · Edna, TXThe pilot's failure to maintain control of the airplane and the subsequent stall. A factor was the pilot's diversion of attention.NTSB ANC90FA027Accident · No injuriesField investigationFinal reportBeech E18F · Anchorage, AKInadequate supervision by company/operator personnel and inadequate preflight planning/preparation by the captain, which resulted in an improperly loaded aircraft.NTSB ANC90LA022Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Kodiak, AKImproper compensation for wind conditions by the pilot, which resulted in loss of aircraft control during takeoff, and subsequent impact with the water. The weather conditions were contributing factors.NTSB DEN89LA160Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Holden, UTThe pilot's misjudgement of the effect of high density altitude on a heavily loaded aircraft.NTSB SEA89FA027Accident · 1 fatalField investigationFinal reportde Havilland DHC-2 · Kasaan, AKThe plt planned to land at a seaplane base that was located in a bowl-shaped cove. Drg the landing, the acft touched down long on water swells & the plt elected to go around. Witnesses rprtd that drg the go-around, the plt initiated a steep turn while still…NTSB DEN88FA114Accident · 2 fatalField investigationFinal reportBeech D-17S · Wheatland, WYThe witnesses said they saw the acft fly a pattern indicative of a base to final approach to rwy 35. The airstrip has a second runway oriented east and west. The wind was blowing from the east at 20 knots. The acft wreckage was found approximately 3/4 miles…NTSB DEN88DTE04Accident · No injuriesFinal reportGrumman G-164A · Vona, COThe pilot said the wind was calm when he got in the aircraft before takeoff. He said that when the aircraft reached about 50 feet AGL, after takeoff, he encountered a tailwind. The aircraft settled and collided with the ground. The ground was soft and the…NTSB DEN87LA101Accident · Minor injuriesLimited investigationFinal reportBoeing A75N1 · Argusville, NDThe plt took off with a load of 46-0-0 fertilizer and proceeded to the field to be treated. The plt said when he arrived his flagger was not in position so he initiated a goaround. When the plt had turned 90 deg onto the x-wind leg the acft stalled. The plt…NTSB ATL86FLQ05Accident · Serious injuriesFinal reportBeech H-18 · Louisville, KYThe acft collided with the ground after stalling during takeoff. Witnesses reported that the acft pitched up in two increments, climbed sharply to about 200 ft AGL, stalled dropped the rt wing and descended, impacting the ground in a flat attitude.NTSB FTW86FPA13Accident · No injuriesFinal reportBeech E18S · Terrell, TXThe plt reported the acft yawed left on takeoff and despite attempted remedial action the acft would not clear odstaclesalong the flt path. Pwr was reduced and a straight in landing was made in a fld aprx 1/4 mile north of the rwy. A witness reported the acft…NTSB LAX86FA014Accident · 1 fatalField investigationFinal reportBoeing A75N1 · Schellville, CAThe acft crashed while attempting a slow roll immediately after departing from rwy 34 at the sonoma valley arpt. The plt stated to witnesses that he liked to roll his acft after takeoff. Witnesses indicated the acft became airborne after a 300 to 400 ft…NTSB CHI85LA188Accident · No injuriesLimited investigationFinal reportStearman PT 17 · Hamilton, OHThe pilot was taking off in a 90 degree cross wind of 15 KTS gusts 23 KTS immediatly after liftoff a gust of wind resulted in pilot loss of directional control the acft veered off of the runway struck a ditch and nosed over inverted.NTSB CHI85IA091Incident · No injuriesIncident investigationFinal reportBeech H-18 · Dayton, OHThe acft was rotated prematurely and stalled back onto the rwy. The acft was on rwy 24L and the wind was 240 degrees at 17 KTS gusting to 24 KTS. There was slight damage to the landing gear & flapsNTSB LAX84LA084Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Madera, CAAt about 75 ft AGL in a procedure turnaround the acft stalled & collided with orange trees.NTSB SEA83LA154Accident · No injuriesLimited investigationFinal reportWeatherly 201C · Tensed, IDThe acft had made 3 passes since reloading, so the acft was fairly heavy and was on an uphill pass as it began a turn- around. In an attempt to maneuver and clear 100 ft trees the acft stalled and the rt wing tip hit a tree.NTSB MIA83LA135Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Clewiston, FLThe plt had just washed the acft & went for a short local flt to dry it. He made a low pass at the arpt & the acft stalled during the pull-up.NTSB MKC82DA116Accident · No injuriesFinal reportGrumman G164A · Ericson, NEThe aircraft was flown from the loading area to the field intended for treatment. Upon arrival, the pilot reduced power and entered an observation fly-by. When the aircraft started to settle the pilot's application of power failed to arrest the descent. The…NTSB LAX82FA224Accident · No injuriesField investigationFinal reportBeech H-18 · Fresno, CAJust after lift-off from rwy 29R, the acft began to pitch up. As the pitch-up progressed, the plt applied right aileron & full right rudder. The acft responded by rolling to the right with the nose falling thru. Subsequently, the plt was able to pull out…