# Lycoming R680-17

- Type: Engine model (FAA registry)
- Registry code: 42404
- Manufacturer (registry): LYCOMING
- Model: R680-17
- Engine type: Reciprocating
- Power: 225 hp
- Installed in: 6 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-r680-17

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (6)

- [N13907](https://openairdocs.org/aircraft/N13907): [Anderson Dana K](https://openairdocs.org/faa-owner/ANDERSON%20DANA%20K), [Scappoose, OR](https://openairdocs.org/faa-place/OR/Scappoose), built 1929, S/N 1326
- [N562](https://openairdocs.org/aircraft/N562): [Vajdos Robert C Jr](https://openairdocs.org/faa-owner/VAJDOS%20ROBERT%20C%20JR), [Louise, TX](https://openairdocs.org/faa-place/TX/Louise), built 1954, S/N 75-5067
- [N65292](https://openairdocs.org/aircraft/N65292): [Davenport Ross K](https://openairdocs.org/faa-owner/DAVENPORT%20ROSS%20K), [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh), built 1942, S/N 75-6759
- [N68830](https://openairdocs.org/aircraft/N68830): [Gordon Bowman-Jones LLC](https://openairdocs.org/faa-owner/GORDON%20BOWMAN-JONES%20LLC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), S/N 755667
- [N9199R](https://openairdocs.org/aircraft/N9199R): [Brothers David A](https://openairdocs.org/faa-owner/BROTHERS%20DAVID%20A), [Carlsbad, CA](https://openairdocs.org/faa-place/CA/Carlsbad), built 1941, S/N 75-2212
- [N9820](https://openairdocs.org/aircraft/N9820): [Oppegard Nicholas D](https://openairdocs.org/faa-owner/OPPEGARD%20NICHOLAS%20D), [Dunedin, FL](https://openairdocs.org/faa-place/FL/Dunedin), built 1929, S/N 1019

## NTSB investigations (8)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR26LA066](https://openairdocs.org/ntsb/WPR26LA066), Dec 19, 2025: Boeing PT-13D (N68830), El Cajon, CA, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll.
- [NTSB WPR25LA059](https://openairdocs.org/ntsb/WPR25LA059), Dec 8, 2024: Boeing A75N1(PT17) (N9199R), El Cajon, CA, substantial damage. Probable cause: The pilot’s inability to maintain directional control during landing with a flat tire.
- [NTSB FTW82FPD05](https://openairdocs.org/ntsb/FTW82FPD05), Nov 13, 1981: Boeing E75 (N562), Roanoke, TX, destroyed
- [NTSB FTW75FPM05](https://openairdocs.org/ntsb/FTW75FPM05-201299), Jul 29, 1975: Boeing A75 (N562), Tishomingo, OK, substantial damage
- [NTSB FTW73DRJ16](https://openairdocs.org/ntsb/FTW73DRJ16), Sep 13, 1972: Boeing A75N1 (N9199R), Evelyn, LA, substantial damage
- [NTSB FTW73FRJ11](https://openairdocs.org/ntsb/FTW73FRJ11), Aug 10, 1972: Boeing A75N1 (N9199R), Natchitoches, LA, minor damage
- [NTSB FTW72DQD12](https://openairdocs.org/ntsb/FTW72DQD12), Oct 16, 1971: Boeing B75N1 (N65292), Pecos, TX, substantial damage
- [NTSB OAK70D0106](https://openairdocs.org/ntsb/OAK70D0106), Sep 6, 1969: Boeing A75 (N562), Caruthers, CA, destroyed

## FAA accident and incident reports (4)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20251219020509I](https://openairdocs.org/incident/20251219020509I), Dec 19, 2025: Boeing PT-13D (N68830), El Cajon, CA, Minor damage. Pilot stated upon landing RUNWAY27 right the aircraft drifted from centerline to the right. Trying to correct by placing right aileron down and control yoke…
- [Accident 20241208019069A](https://openairdocs.org/incident/20241208019069A), Dec 8, 2024: Boeing A75N1(PT17) (N9199R), El Cajon, CA, Substantial damage. Aircraft landed on 27L @ see aproximately 1400. Upon landing veered off left side of runway, then back on runway due to flat tire on l/h MLG resulting in wheel…
- [Accident 19811113074339A](https://openairdocs.org/incident/19811113074339A), Nov 13, 1981: Boeing E75 (N562), Roanoke, TX, Substantial damage. Engine lost power on takeoff. Struck tree while returning to airport. Engine cylinder barrels improperly installed.
- [Accident 19750729024749A](https://openairdocs.org/incident/19750729024749A), Jul 29, 1975: Boeing A75N1 (N562), Tishomingo, OK, Substantial damage. Black sandy substance & insect particles in fuel. Source not reported. Spraying peanuts.

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