This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed.
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N8693Y
- History of Flight:
On December 17, 2025, at about 1350 local time, a Piper PA-30-160 Twin Comanche C, N8693Y, registered to Peregrine Aviation LLC out of Winfield, IL was destroyed when it was involved in an accident at DuPage Airport (DPA/KDPA), Chicago/West Chicago, Illinois. The two occupants onboard sustained fatal injuries.
According to flight-tracking history, the airplane arrived at DPA on October 27, 2025, and has not flown since. The accident flight was presumably a test flight after maintenance.
There is no flight-tracking data available for the accident flight.
According to radio chatter, the emergency services were called to runway 20R. It is unclear if the airplane was departing runway 20R or 2L. The airplane came to rest on airport property next to runway 20R/2L at the estimated cords of 41.905337, -88.251995.
Nothing else is known at the moment.
- Pilot Information:
unknown.
- Airplane Information:
The accident aircraft, serial number 30-1839, was manufactured in 1969. The twin engine, low-wing cantilever monoplane with a retractable tricycle landing gear was powered by two Lycoming IO-320-B1A engines. Each engine drove a two-bladed, constant-speed, full-feathering Hartzell propellers.
- Wreckage and Impact Information:
The airplane impacted terrain in a low wing, nose down attitude. Both wings remained attached to the fuselage. The tail remained partially attached to the airframe. The two engines and the nose were crushed aft. Both wing sustained extensive leading edge impact damage. The impact appears to be consistent with a departure roll, presumably a VMC roll.
- Airport Information:
DuPage Airport is a public airport located about 29 miles west of Chicago, Illinois. The airport does have a control tower facility. The airport field elevation was 758.5 ft. The airport features 4 runways, runway 2L/20R, which is a Group IV-compliant concrete runway at 7,571 ft × 150 ft (2,308 m × 46 m). Runway 2R/20L, is another concrete runway with dimensions of 6,451 ft × 100 ft (1,966 m × 30 m). Two asphalt general aviation runways complete the arrangement: runway 10/28 at 4,750 ft × 75 ft (1,448 m × 23 m) and 15/33 at 3,399 ft × 100 ft (1,036 m × 30 m).
- Weather:
METAR KDPA 171852Z 00000KT 10SM CLR 03/M01 A2998 RMK AO2 SLP159 T00331011 $
METAR KDPA 171952Z 14004KT 10SM CLR 04/M01 A2996 RMK AO2 SLP153 T00391011 $
Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 929 PM EST Wed Dec 17 2025 .SYNOPSIS... High pressure near the Delmarva will continue to pull away from the East Coast. Milder temperatures and dry conditions are expected through Thursday. A strong cold front will push through the region Thursday night. Showers will develop with the frontal passage, followed by gusty winds and colder temperatures once again late in the week. && .NEAR TERM /THROUGH THURSDAY/... High-level clouds continue streaming over the area this evening, with clouds likely lingering for most of the night. A very subtle front has moved through most of the area, with light north/northwest winds noted in the surface obs. No additional changes expected to the forecast for tonight as chilly overnight lows settle in the mid 20s to low 30s. Behind the front, a second area of high pressure will build in through Thursday morning. Temperatures tonight will be a few degrees milder and closer to average for mid- December. The second high pressure will move east by midday Thursday to make room for a developing warm front across southern Virginia and north-central North Carolina to push northward midday Thursday through Thursday evening. During the same time that this warm front is pushing north, a potent upper-level low pressure system will be shoving eastward across the lower Great Lakes and Ohio Valley. Additional warmth and moisture will also be streaming northward ahead of the main low pressure system and just behind the advancing warm front. Some pre-warm frontal rain showers are possible Thursday afternoon, but most likely showers would be more prone to develop behind the warm front and ahead of the approaching affiliated cold front Thursday evening. && .SHORT TERM /THURSDAY NIGHT THROUGH FRIDAY NIGHT/... During the late Thursday evening and overnight into early Friday morning, showers are expected to develop ahead of a powerful cold front. This will then be followed by a line of gusty showers and perhaps a few thunderstorms accompanying the front itself. There are a lot of factors at play with this system that still lend at least some level of concern in terms of a low-end severe weather threat. First off, there will be plenty of wind shear to work with. A powerful, negatively-tilted, upper-level trough will swing through the region early Friday. This will be accompanied by a 60-70 kt LLJ. Guidance has trended a bit slower and deeper with this trough over the last few cycles. In short, deep-layer shear values in excess of 60 knots are forecast, with impressive curved hodographs yielding low-level SRH values in the 300-400 m2/s2 range. However, a key component for severe weather is instability, and this is going to be hard to come by given the time of day this front rolls through. Low- level profiles suggest low-topped convection occurring in an environment with isothermal to moist adiabatic lapse rates in the lowest several thousand feet, with an inversion around 5-6 kft. Below this inversion, 35-45 kts of wind exists; above it, 50-60 kts. The most likely scenario is that a line of heavy showers along the actual front will bring some gusty winds down with it. This seems reasonable given the amount of low-level winds at play here. However, the magnitude is going to be greatly hindered by a very steep inversion at the surface until perhaps right with FROPA. While you can punch some winds through the inversion given strong enough convection, very rarely do you get all of that wind down. For that reason, gusts of 40 to 50 mph seem most likely, with slightly higher not out of the question, albeit pretty isolated in nature (and perhaps enhanced over higher terrain). If there were a spot that is slightly more favored, that would be across southern MD. As is often the case, this area will see higher dew points than areas north and west. This would be the area where the highest thunderstorm threat would be, albeit still small. It is here that there is some indication of a low- end tornado threat, but again this will be very conditional on the fact that some instability is able to develop. A few hi-res models do have some CAPE in that region, but still thinking it will just not quite be enough to spin up a tornado. At any rate, it can`t be completely ruled out, so it is always a good idea to have a way to get warnings overnight, should we have to issue any. Behind the cold front, blustery conditions return for Friday afternoon in strong northwest winds. Winds could gust 40 to 50 mph for most, especially north of the US-50/I-66 corridor. Wind gusts of 45 to perhaps 60 mph can be expected over the higher elevations during this time, with Wind Advisories likely needed in a future forecast package. && .LONG TERM /SATURDAY THROUGH WEDNESDAY/... The long term forecast will be largely dominated by surface high pressure building over the forecast area. Outside of upslope precipitation in the Alleghenies, dry conditions are expected across the forecast area through Monday night. A moisture-starved cold front tracks across the region on Sunday, bringing cooler temperatures to start the work week. On Tuesday, a potent low pressure system tracks across the Great Lakes into Canada as the associated cold front approaches and tracks across the forecast area. This will bring a surge of moisture from the parent low and yield increased precipitation chances. A slight chance to a chance of precipitation is expected Tuesday afternoon with conditions drying out overnight. Temperatures on Saturday will be in the 40s across the area with overnight lows in the 30s. Temperatures rise into the 40s and 50s ahead of a cold front on Sunday with overnight lows dropping into the teens and 20s in the wake of the frontal passage. Temperatures moderate under high pressure Monday and Tuesday with high temperatures in the 40s and 50s. && .AVIATION /02Z THURSDAY THROUGH MONDAY/... High pressure will provide dry and cold conditions through tonight. Winds become northwest by 22Z, then shift to north and east overnight at light speeds AOB 5 kts. Beyond that, we can expect gradual warming temperatures with a southerly wind ahead of a powerful front set to push through late Thursday. Although VFR is expected, SREF probs indicate potential fog over the metros early Thu AM. Sub-VFR conditions are possible Thursday by late afternoon as a front approaches the terminals with restrictions likely during precipitation overnight. Southerly winds gust 15 to 25 knots Thursday afternoon and into the overnight ahead of the front. Some convection is possible overnight, but more likely in the form of a brief heavy downpour, especially along the actual front early Friday morning. This could also be accompanied by a surge of 40+ knot winds along the main line. VFR conditions and gusty winds are expected across all terminals on Friday in the wake of the cold front, with gusts likely exceeding 30 knots through the afternoon. Winds diminish quickly Friday evening before becoming light overnight. Southerly winds on Saturday become light overnight before shifting to northwesterly on Sunday. VFR conditions are expected both days with winds gusting 15 to 20 knots each afternoon. && .MARINE... A very subtle front has moved through the area this evening, with light northwest to north winds noted over the waters. These winds shift east by early Thursday morning. Winds will begin to increase out of the south Thursday afternoon. Small Craft Advisories are likely beginning by Thursday evening as southerly winds gust 20 to 30 knots through the overnight ahead of a powerful cold front. A brief surge of stronger winds is possible along the cold front early Friday morning for several hours ahead of the front, especially in/near heavy showers and perhaps a few thunderstorms. However, a strong inversion is expected at the surface, which could help to subdue this threat a bit. Right now, couldn`t rule out some 40+ knot wind gusts especially along the line early Friday morning. Gusty northwest winds will yield high-end Small Craft Advisories across the waters on Friday at the very least. In the northern portions of the waters, north of North Beach MD, winds could reach Gale-force, especially after mid-morning into Friday evening. As high pressure builds over the area, winds diminish Friday night, becoming light by Saturday morning. Small Craft Advisories are possible both Saturday and Sunday afternoon. Southerly winds on Saturday shift to northwesterly on Sunday, gusting 15 to 20 knots each afternoon. && .LWX WATCHES/WARNINGS/ADVISORIES... DC...None. MD...None. VA...None. WV...None. MARINE...Gale Watch from late Thursday night through Friday evening for ANZ530>532-535-538>540. Gale Watch from late Thursday night through Friday morning for ANZ533-534-536-537-541>543.
- Additional Information:
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