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NTSB investigations

35,889 cases where the phase of flight was Enroute.

Cases, newest first

Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
    crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
    current_codes AS (
      SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
        row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
      FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
      WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
        AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
    ),
    phases AS (
      SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
      FROM current_codes WHERE n = 1
      UNION ALL
      SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
      FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
      WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
    ),
    case_phases AS (
      SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
      FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
      LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
      WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
    )
  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 case_mkey FROM case_phases WHERE main = 400)
  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.

NTSB ATL83LA056Accident · Minor injuriesLimited investigationFinal reportBeech A-36 · Holly Springs, MSThe acft was at 4,000 ft in cruise flight when the eng failed. The acft crashed 1/4 mi short of an arpt. The right wing bladder was completely torn in two & the left wing bladder contained a minute amount of fuel. There was reportedly a lot of fuel spillage…Dec 9, 1982 · N9115S · Substantial damageNTSB LAX83LA052Accident · Minor injuriesLimited investigationFinal reportCessna 172M · South Lake Taho, CAThe student pilot and a passenger departed the south lake tahoe airport at 1515 PST. He stated that he had climbed to about 1200 ft AGL when he encountered extreme turbulence and downdrafts. He lost control of the aircraft until just prior to ground impact. A…Dec 8, 1982 · N20016 · Substantial damageNTSB LAX83FA414Accident · 2 fatalField investigationFinal reportPiper PA-28-140 · Tahoe City, CAThe owner, a student plt, & an ATP plt departed olympia, WA at aprx 1111 PST on a flt to the lake Tahoe/reno area. When the acft did not arrive, a search was made until 12/22/82. On 8/28/83, the acft was found where it crashed on rising terrain (50 deg slope)…Dec 8, 1982 · N5468T · DestroyedNTSB DEN83AA033Accident · 2 fatalFinal reportBell 206B · Larkspur, CON2752Y, a Bell 206B helicopter, crashed in hilly terrain while on a flt to obtain video tape news of an aircraft accident. Plt was warned by FBO personnel of adverse wx conditions. Another plt who had just landed tried to persuade the plt not to fly. After…Dec 8, 1982 · N2752Y · DestroyedNTSB DEN83AA032Accident · 2 fatalFinal reportSwearingen SA-227AC · Pueblo, COAt 1906 the flt was cleared to descend & maintain 7,500 ft, turn right to a heading 040 for an asr apch to Pueblo memorial arpt, & that the mda is 5,200. The flt read back "left to one forty five two zero zero." Approach control advised the flt that the…Dec 8, 1982 · N30093 · DestroyedNTSB ATL83LA052Accident · No injuriesLimited investigationFinal reportCessna 150L · Snow Hill, NCThe pilot stated that the aircraft was descending about 10 mi from the destination airport when the engine failed. Subsequently, the plane collided with a ditch during a night landing. An examination revealed that the quick drain oil plug had failed…Dec 7, 1982 · N19488 · DestroyedNTSB FTW83LA052Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Garland, TXWhile flying at night, the engine began to back fire and there was a loss of RPM and metal-to-metal sounds. The pilot attempted to restore the power, but to no avail. During a forced landing in darkness, the pilot saw trees when the plane was about 50 ft AGL,…Dec 6, 1982 · N6745W · Substantial damageNTSB FTW83FA054Accident · 2 fatalField investigationFinal reportBeech A36 · Midland, ARWhen the plt filed his VFR flt plan he was observed using an IFR enroute chart. About 7 minutes after takeoff the plt requested a frequency to call for a clearance to climb on top of the overcast. Approximately 5 minutes later, as the plt was giving his…Dec 6, 1982 · N767T · DestroyedNTSB MKC83LA031Accident · Minor injuriesLimited investigationFinal reportBeech C23 · Near Vichy, MOWhile enroute from cape girardeau, MO to rolla, MO, the pilot encountered an area of low ceilings and fog. While he was trying to remain VFR at low altitude, the aircraft struck trees on top of a hill. The pilot climbed abruptly, but the plane stalled,…Dec 4, 1982 · N60171 · DestroyedNTSB SEA83IA027Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC-9-51 · Boise, IDShortly after climbout from denver the first officer noticed the captain twitch and asked if he was okay. The captain answered affirmatively but donned his oxygen mask at the co-pilot's suggestion. About 20 minutes later the captain stiffened with his left…Dec 2, 1982 · N785NC · No damageNTSB FTW83IA053Incident · No injuriesIncident investigationFinal reportBell 412 · Intercoastal Ci, LAWhile in cruise flight, the pilots heard a loud pop and felt a severe cyclic control vibration. An immediate precautionary landing was made. An examination revealed that there was a fatigue crack in the trailing edge of the blue, main rotor yoke flexure, pn…Dec 2, 1982 · N2258F · No damageNTSB NYC83FA035Accident · 2 fatalField investigationFinal reportMooney M20B · Auburn, NYDuring departure on an IFR climb-out radar and radio contact was lost. The pilot's last reported altitude was passing through 4,500 ft. the aircraft crashed into a wooded area at an elevation of 1,700 ft MSL. Initial contact was with trees approximately 40 ft…Nov 29, 1982 · N13213 · DestroyedNTSB LAX83FUG07Accident · 3 fatalFinal reportCessna 172N · Near Rialto, CAThe pilot and his passengers had flown from van nuys, CA to palm spring, CA during the afternoon. After arrival, they spent several hours on the ground. At 1740, the pilot called a fss to obtain a weather briefing for a flight to concord, CA. During the…Nov 29, 1982 · N3579E · DestroyedNTSB LAX83FA047Accident · 3 fatalField investigationFinal reportCessna 172N · 12nm East Of An, CADuring the preflight wx briefing from thermal fss the plt was advised that VFR flt was not recommended into the san diego area. Although the plt requested a briefing to san diego, it is believed that the initial destination was carlsbad to deplane the rear…Nov 29, 1982 · N737LA · DestroyedNTSB LAX83FA042Accident · 2 fatalField investigationFinal reportCessna 152 · Ramona, CAThe aircraft crashed into rising terrain at the 3500 foot level in IFR weather. The pilot had been advised of bad weather along his route. His flight plan was VFR. No malfunctions to equipment was found.Nov 29, 1982 · N67707 · DestroyedNTSB LAX83FA041Accident · 2 fatalField investigationFinal reportCessna T210L · 13 Se Of Linden, CAPilot encountered weather on a cross-country flight and reported icing at 10,000 feet at 1828. He had been at 10000 feetsince 1745. At 1831, the pilot requested 8,000 feet to get out of ice and at 1836 requested 6,000 and was approved. At 1857 level at 6,000…Nov 29, 1982 · N732BQ · DestroyedNTSB NYC83FA033Accident · Minor injuriesField investigationFinal reportCessna 172M · Williamsport, PAThe aircraft departed the airport with ice on the airframe. The pilot encountered more icing in flight and decided to return to the airport, but was unable to maintain his altitude. The aircraft collided with trees during a forced landing. The pilot had been…Nov 28, 1982 · N1498U · Substantial damageNTSB MKC83FA028Accident · 2 fatalField investigationFinal reportPiper PA-34 · Kansas City, MODrg the 1027 wx briefing, the plt was advised that Kansas City was reporting very light rime icing from 4,000 to 11,000 ft & a PIREP of light to moderate rime ice between 6,000 & 8,000 ft 30 mi south of Kansas City. The plt announcedhis intentions of…Nov 28, 1982 · N8189H · DestroyedNTSB MIA83LA039Accident · No injuriesLimited investigationFinal reportCessna 152 · Ft. Myers, FLDuring a night, VFR flight to opa locka, Florida, the pilot experienced a loss of power and was forced to make an emergency landing in the everglade swamps. The aircraft was recovered from 3 feet of water in an upside down position. Examination of the…Nov 28, 1982 · N25341 · Substantial damageNTSB FTW83DA046Accident · Serious injuriesFinal reportPiper PA-24-250 · Corsicana, TXThe eng seized at 6,000 ft. due to unsuitable surrounding terrain the plt elected to land on a highway. The plt left the gear up until 50 ft AGL to clear a power line crossing the highway. The acft touched down with the gear partially extended. Eng teardown…Nov 28, 1982 · N8080P · Substantial damageNTSB ATL83FKG03Accident · Minor injuriesFinal reportCessna 150M · Stone Mountain, GAThe pilot reported that while flying in marginal weather, he came to Stone Mountain and turned to avoid it. The aircraft crashed on the side of the Mountain about 300 ft from the base. About 9 mi east southeast of the crash site, the weather was reported as…Nov 28, 1982 · N66103 · Substantial damageNTSB NYC83FA032Accident · Serious injuriesField investigationFinal reportCessna 172H · Mount Alton, PAWhile enroute the plt reported he was icing up & would have to divert to bradford. About 12 mi from the arpt the plt declared an emergency stating he didn't think he could make a missed approach with the ice buildup. The plt then reported a rough engine & an…Nov 27, 1982 · N9511H · Substantial damageNTSB LAX83FA040Accident · 1 fatalField investigationFinal reportBeech 23 · 10 M.N. Of Gilr, CAAircraft hit a 2721 foot ridge just below the top while cruising in bad weather on a dark night. He was on a VFR flight plan and was not instrument rated. Low overcast obscured the mountain tops.Nov 27, 1982 · N6049B · DestroyedNTSB MIA83LA035Accident · Minor injuriesLimited investigationFinal reportMaule M-5-220C · Near Ocala, FLThe pilot reported that during flight, the engine stopped and the cockpit filled with smoke. He shut down fuel to the engine and started to glide toward an airport, but it was too FAR away. He then selected a field, but had to stay high on final approach to…Nov 26, 1982 · N2VB · DestroyedNTSB MKC83LA026Accident · No injuriesLimited investigationFinal reportPiper PA28-18 · St. Charles, MOWhen power was applied after a long 20 mile descent the engine would not respond except for a "chugging idle." The pilot stated that he did use some carburetor heat during the early part of the descent. FAA advisory circular AC-20-113 recommends "heat should…Nov 25, 1982 · N9582J · Substantial damageNTSB LAX83FA050Accident · 4 fatalField investigationFinal reportBellanca 17-30A · Williams, AZThe original departure point was camarillo, CA. Before departing camarillo, the pilot obtained a weather briefing for a flight to flagstaff, AZ. At about that time, the flagstaff weather was, in part: zero ceiling, 1/16 mi visibility. The pilot was warned of…Nov 25, 1982 · N14748 · DestroyedNTSB CHI83LA043Accident · No injuriesLimited investigationFinal reportCessna 150L · Red Wing, MNThe pilot stated that while enroute to Red Wing, MN he ran into deteriorating weather and the engine started to run rough. He decided to execute a precautionary landing into a hay field rather than encounter darkness and adverse weather conditions with a…Nov 25, 1982 · N18236 · Substantial damageNTSB ATL83LA042Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Richmond, VAThe aircraft had an engine fire a short time after take-off from Richmond, VA. The pilot declared an emergency and dove the aircraft from 6000 feet to put out the fire. Since the fire went out the plan to land at petersburg was changed to Richmond because of…Nov 23, 1982 · N3528UNTSB ATL83FA045Accident · Serious injuriesField investigationFinal reportCessna 150M · Edgewater, MDApproximately 45 min after takeoff, the eng started to run rough. The plt headed toward the nearest arpt with the eng still running rough. The plt entered downwind & proceeded to follow a normal landing pattern. As he turned final, the eng quit completely.…Nov 23, 1982 · N2806V · Substantial damageNTSB FTW83LA047Accident · Minor injuriesLimited investigationFinal reportCessna 150L · Vinton, LAThe aircraft had been stolen by a noncertificated pilot sometime during the evening of 11/21/82. The purpose and destination of the flight was not determined. It was found laying upside down in a swamp on 11/29/82. The pilot was extracted by helicopter and…Nov 22, 1982 · N18632 · Substantial damageNTSB FTW83FA043Accident · 1 fatalField investigationFinal reportBell 206B · Buccaneer Oil FThe acft was found floating inverted about 1.5 mi from the point of departure. The tailboom had separated & there was evidence that the m/r blades had struck the tailboom. The windshield & chin bubble was broken out. An oil pump gear tooth was found adhering…Nov 22, 1982 · N144AL · Substantial damageNTSB SEA83FA057Accident · 1 fatalField investigationFinal reportCessna TU206G · Soda Springs, IDA search for the aircraft was begun after the pilot's relatives reported it was overdue and residents near the crash site heard the sounds of a low flying plane suddenly terminate. Unofficial reports of the weather indicated it was about 200 ft obscured, 1/4…Nov 21, 1982 · N4606U · DestroyedNTSB LAX83FUD01Accident · No injuriesFinal reportBell 47D1 · Pasadena, CAAircraft engine quit while cruising to refueling port. A power off autorotation was made to a street. The rotor hit trees and result was a hard landing.Nov 21, 1982 · N6324X · Substantial damageNTSB ATL83FA039Accident · Serious injuriesField investigationFinal reportAero Commander 680W · Atlanta, GAThe plt reported that on the previous flt, the center fuel tank gauge was malfunctioning and indicated 800 lbs even when it was full with 1400 lbs. After lndg at charlotte,NC, it was still indicating 800 lbs. Bfr tkof, the center tank was refilled. While en…Nov 21, 1982 · N5058E · DestroyedNTSB SEA83LA023Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Cascade Locks, ORWhile cruising at 10000 feet MSL, in IMC conditions, the pilot reported that power had been lost. During descent to 2000 feet the engine restarted and failed several times but eventually maintained idle throughout the remainder of the descent. Portland…Nov 20, 1982 · N8185P · Substantial damageNTSB MIA83LA034Accident · No injuriesLimited investigationFinal reportCessna 182P · La Belle, FLAfter experiencing an eng failure the plt made a forced landing on the arpt. The acft overran the rwy & collided with a ditch causing the nose gear to collapse. The #3 cylinder exhaust valve rocker shaft housing failed due to high-cycle low-stress fatigue.Nov 20, 1982 · N4678K · Substantial damageNTSB LAX83IA036Incident · Minor injuriesIncident investigationFinal reportCessna 172RG · Santa Ana, CAWhile cruising at 6500 MSL during a night cross country, the cabin filled with smoke. The pilot declared an emergency and landed after securing all of the electrical equipment. The pilot required hospitalization due to smoke inhalation and an irregular…Nov 20, 1982 · N6428V · No damageNTSB DCA83AA006Accident · 3 fatalFinal reportCessna 182Q · Livingston, NJAero commander 560E, N3827C (27C), was returning from blairstown where it had been flown for minor maint. The plt was on an IFR flt plan, cleared by new york TRACON to proceed at 2000 ft MSL on a radar vector of 170 deg for an ILS apch to the teterboro arpt.…Nov 20, 1982 · N96402 · 2 aircraft · DestroyedNTSB FTW83FPG03Accident · 1 fatalFinal reportCessna 182L · Mt. Vernon, ARThe flt of two acft (a C-150 & N42562) departed heber springs & were in radio contact during the flt. N42562 reported over the conway, AR arpt at 2,000 ft with good visibility but indicated that there was an area of rain between conway & heber springs. The…Nov 19, 1982 · N42562 · DestroyedNTSB ATL83FLG01Accident · Serious injuriesFinal reportPiper 22 · Clinton, SCThe aircraft was refueled before departing greenville, KY. The pilot reported that as he approached his destination, he proceeded along a radial from the greenwood VOR but could not find newberry. He stated that he hunted too long before diverting back to…Nov 19, 1982 · N6116D · Substantial damageNTSB ATL83FA041Accident · 1 fatalField investigationFinal reportPiper PA-24-260 · Culpepper, VAAbout 16 min after takeoff the plt reported to ARTCC that he had lost the artificial horizon, gyro & vacuum pump. Radio & radar contact was lost shortly thereafter. Examination of the vacuum pump failed to reveal a pre-impact failure or malfunction. The acft…Nov 19, 1982 · N555CE · DestroyedNTSB MKC83FA023Accident · 2 fatalField investigationFinal reportPiper PA-28-140 · Sharon, KSThe acft crashed 12 mi from the departure point in hilly terrain on a direct route to the destination in a 40 deg nose low & 75 deg right wing low attitude. There are no wx reporting facilities near the accident site. The 1851 wx observation at enid,ok (62 mi…Nov 18, 1982 · N500FL · DestroyedNTSB LAX83FA035Accident · No injuriesField investigationFinal reportPiper 601P · Tonopah, NVAs the acft reached 15,500 ft, aprx 30 mi from the dep arpt, the plt & pax noted fumes that irritated the eyes & caused dizziness & breathing difficulties. The plt reversed course, then elected to make an emerg lndg on a dirt road. Drg the lndg roll-out, the…Nov 17, 1982 · N3642A · Substantial damageNTSB SEA83FA022Accident · 2 fatalField investigationFinal reportCessna 210 · Gorst, WAThe acft collided with a mtn drg a VFR flt under IMC. An arts-iii radar printout showed the acft was maintaining a fairly continuous heading until radar coverage was lost. The wreckage was located about 3.4 mi north of the last radar plot. ATC confirmed loss…Nov 16, 1982 · N9557T · DestroyedNTSB LAX83FJA02Accident · No injuriesFinal reportPiper PA-28-140 · Honolulu, HIThe eng quit & the plt ditched in the ocean near the beach. The #4 connecting rod shank was found broken at the crankpin bearing housing. One rod bolt head was broken off & the bolt grip was necked down. The nut on this bolt was still on the bolt & flush with…Nov 16, 1982 · N56351 · DestroyedNTSB ATL83IA034Incident · No injuriesIncident investigationFinal reportBeech G18S · Huntsville, ALThe left cargo door separated from the acft. The door was a hamilton cargo door installed under an STC which required 3 hinges on top & 3 pins on bottom with an overcenter locking mechanism on the handle for the pins. This door had 2 hinges installed. Only 2…Nov 16, 1982 · N5BA · Minor damageNTSB NYC83LA029Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Morrisville, VTEnroute to destination through a mountain pass the pilot saw approaching snow & decided to return & land. While returning, a rapidly moving snow squall was approaching the arpt. At about 1/4 mi from the end of rwy 1 visibility dropped to about 1/8 mi in heavy…Nov 15, 1982 · N2221N · Substantial damageNTSB MIA83LA030Accident · No injuriesLimited investigationFinal reportGulfstream American AA5A · Nr.Chubeay, BahamasThe pilot stated that engine lost power while over the ocean waters and the pilot was forced to ditch the plane. The pilot and passenger were rescued by a yacht in the vicinity of the crash site. The aircraft sank and the wreckage was not recovered.Nov 14, 1982 · N26287 · DestroyedNTSB LAX83FA034Accident · 1 fatalField investigationFinal reportCessna 340A · Orinda, CAAfter departing san jose, CA, the plt climbed to an alt of 4600 ft MSL & proceeded toward novato, CA. From 1528 to 1533 PST, radar data showed that the acft was level at 4600 ft on a heading of 330 deg at 180 fts ground speed. Radar info showed that the acft…Nov 13, 1982 · N29HT · DestroyedNTSB DEN83AA019Accident · 2 fatalFinal reportPiper 601P · Fountain, COAfter taking off at aprx 2250, the acft was identified on radar & observed to climb on course to an alt of 10,700 ft. the acft then descended thru 10,500 ft & the crew reported they would maintain that alt. At about 2301 the acft was about 5 mi se of Colorado…Nov 13, 1982 · N3641T · Destroyed