Boeing A75N1(PT17) accident near El Cajon, California, December 8, 2024
On December 8, 2024 at about 9:30 pm local time, a 1941 Boeing A75N1(PT17), registered N9199R, was substantially damaged in an accident during landing (landing roll) near El Cajon, California (Gillespie Fld airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
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The NTSB's probable cause their words, unchanged
The pilot’s inability to maintain directional control during landing with a flat tire.
Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- December 8, 2024 · about 9:30 pm local time
- Place
- El Cajon, California · Gillespie Fld · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Boeing A75N1(PT17), built 1941 · all A75N1(PT17)s on the register
- Registration
- N9199R · registry record · serial 75-2212
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot of the tailwheel equipped airplane reported that during a formation takeoff, the airplane began to veer left, and he lifted off earlier than the lead airplane to maintain directional control. After an uneventful flight, during landing, the airplane began to track violently to the left, despite the pilot’s control inputs. The airplane exited the left side of the runway, and as it was almost stopped, veered to the right onto the runway surface, and came to rest upright. During the accident sequence, the lower left wing struck the ground, which resulted in substantial damage to the left aileron. Upon exiting the airplane, the pilot observed the left main tire was deflated and partially separated from the wheel assembly. Inspection of the runway environment revealed that there was a thick skid mark from where the airplane’s left tire touched down at the beginning of the runway.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Loss of control on ground during landing (landing roll)
- Sys/Comp malf/fail (non-power) during landing (landing roll) defining event
- Runway excursion during landing (landing roll)
- Collision with terrain or object (not controlled flight into terrain) during landing (landing roll)
The NTSB's findings
- Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Directional control › Not attained/maintained
- Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
- Aircraft › Aircraft systems › Landing gear system › Tube › Failure
Pilot
- Certificate: airline transport pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane
- Flight time: 23,000 hours in all; 75 in this make and model; 4 in the last 90 days; 1 in the last 30 days; 18,000 as pilot in command
- Medical certificate: Class 3 (with waivers/limitations)
- Seat: rear
- Injury: no injuries
Passenger
- Seat: frt
- Injury: no injuries
The aircraft
- Last inspection: annual inspection
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming R680-17/B4E (piston); 0 hours total
The flight
- Runway 09L/, 5,342 ft by 100 ft
Weather at the time
- Light: dawn
- Wind: from 220° at 6 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 72°F (22°C), dew point 34°F (1°C)
- Altimeter: 30.04 inHg
- Observation at 1:47 pm from KSEE
Weather report (METAR): KSEE 082147Z 22006KT 10SM SKC 22/01 A3004
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flig | 1 | |||
| Passengers | 1 |
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The docket at the NTSB holds the report as a PDF and the investigation's photographs and documents. This site never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number WPR25LA059.