# NTSB investigations: Lycoming GO-480 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 2 of 4 · 198 cases

## Cases, newest first

- [NTSB SEA95FA212](https://openairdocs.org/ntsb/SEA95FA212.md): Aero Commander 560 · Ketchum, ID · Accident · 2 fatal · Field investigation · Final report · Sep 8, 1995 · N731R · Destroyed
  > The pilot-in-command's failure to maintain adequate airspeed during a turn resulting in a stall/spin. Factors contributing to the accident were the pilot-in-command's becoming geographically disoriented as well as his improper in-flight decision, and…
- [NTSB MIA95WA210](https://openairdocs.org/ntsb/MIA95WA210.md): Aero Commander 560A · Bimini, Bahamas · Accident · No injuries · Foreign investigation · Aug 20, 1995 · N2754B · Destroyed
- [NTSB NYC95LA163](https://openairdocs.org/ntsb/NYC95LA163.md): Helio H-295 · Block Island, RI · Accident · No injuries · Limited investigation · Final report · Jun 30, 1995 · N316LM · Substantial damage
  > the failure of the crosswind castering gear to remain locked on the right main gear during the takeoff roll which resulted in directional control not possible.
- [NTSB MIA95LA126](https://openairdocs.org/ntsb/MIA95LA126.md): Focke-Wulf FWP 149D · St. Augustine, FL · Accident · Serious injuries · Limited investigation · Final report · May 5, 1995 · N253FW · Substantial damage
  > Inadequate fuel management by the pilot-in-command resulting in the total loss of engine power due to fuel starvation. Contributing to the accident was the unsuitable terrain encountered during the emergency descent for the forced landing.
- [NTSB NYC95LA014](https://openairdocs.org/ntsb/NYC95LA014.md): Grumman G-44 · Haymarket, VA · Accident · No injuries · Limited investigation · Final report · Oct 18, 1994 · N54VT · Substantial damage
  > The pilot's failure to extend the landing gear which resulted in a gear up landing. A factor was the pilot's diverted attention.
- [NTSB ANC94LA123](https://openairdocs.org/ntsb/ANC94LA123.md): Helio H295 · Artic Village, AK · Accident · No injuries · Limited investigation · Final report · Aug 20, 1994 · N6DB · Substantial damage
  > The pilot selected unsuitable terrain for landing. A factor was the hidden obstruction (hole).
- [NTSB MIA92LA187](https://openairdocs.org/ntsb/MIA92LA187.md): Helio HE29 · Lantana, FL · Accident · No injuries · Limited investigation · Final report · Sep 21, 1992 · N6DB · Substantial damage
  > The total failure of the landing gear tail wheel lock on landing roll out, resulting in an on ground loss of control (ground loop) and collapse of the left main landing gear.
- [NTSB SEA92LA155](https://openairdocs.org/ntsb/SEA92LA155.md): Helio H-295 · Laramie, WY · Accident · No injuries · Limited investigation · Final report · Jul 14, 1992 · N68857 · Substantial damage
  > The pilot's failure to maintain runway alignment, and an inadvertent ground-loop. Factors include crosswinds.
- [NTSB MIA92LA056](https://openairdocs.org/ntsb/MIA92LA056.md): Aero Commander 560E · Boca Raton, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 6, 1992 · N8434C · Substantial damage
  > Improper fuel tank selector position of both engines resulting in total loss of engine power due to fuel starvation. Also, failure of the pilot to perform the emergency procedures following the loss of power from both engines.
- [NTSB SEA91LA244](https://openairdocs.org/ntsb/SEA91LA244.md): Grumman G-44 · Metaline Falls, WA · Accident · No injuries · Limited investigation · Final report · Sep 7, 1991 · N63350 · Substantial damage
  > The pilot's inadvertent use of the parking brake. A factor contributing to the accident was the absence of the parking brake on the landing checklist.
- [NTSB NYC91LA195](https://openairdocs.org/ntsb/NYC91LA195.md): Beech C50 · Salem, OH · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1991 · N9674R · Substantial damage
  > Engine failure as a result of improper maintenance and failure of the propeller feathering system for an undetermined reason. Factors were aircraft poor climb performance as resulted of the unfeathered propeller and obstructions which prevented a return to…
- [NTSB ANC91LA093](https://openairdocs.org/ntsb/ANC91LA093.md): Helio H-295 · Port Alsworth, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 1991 · N456JH · Substantial damage
  > Failure of the pilot to maintain sufficient altitude and clearance from mountainous terrain. Factors related to the accident were: the rising terrain and a downdraft.
- [NTSB FTW91DPG12](https://openairdocs.org/ntsb/FTW91DPG12.md): Bell 47-G3B1 · Colt, AR · Accident · Minor injuries · Final report · Jun 1, 1991 · N31052 · Destroyed
  > Loss of engine power for an undetermined reason. A factor was the unsuitable terrain.
- [NTSB ATL91LA065](https://openairdocs.org/ntsb/ATL91LA065.md): Helio H-295 · Dunlap, TN · Accident · No injuries · Limited investigation · Final report · Mar 12, 1991 · N42013 · Substantial damage
  > Failure of the pilot to maintain control of the aircraft, which resulted in a ground loop/swerve. The crosswind was a related factor.
- [NTSB SEA91LA034](https://openairdocs.org/ntsb/SEA91LA034.md): Beech D50C · Snohomish, WA · Accident · 1 fatal · Limited investigation · Final report · Dec 15, 1990 · N833Q · Substantial damage
  > The obstruction (protruding door support bracket) in the doorway of the aircraft; failure of the company/operator personnel, the pilot, and the skydivers to assure that the doorway was clear of obstructions; and subsequent snagging of the d-ring, which…
- [NTSB ANC90LA138](https://openairdocs.org/ntsb/ANC90LA138.md): Helio HE-3/H-295 · Arctic Village, AK · Accident · No injuries · Limited investigation · Final report · Aug 9, 1990 · N6481V · Substantial damage
  > The pilot in commands improper flare during a forced landing resulting in a hard landing.
- [NTSB MIA89LA005](https://openairdocs.org/ntsb/MIA89LA005.md): Republic RC-3 · Miami, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 6, 1988 · N3263G · Substantial damage
  > The pilot stated that he was having problems with the elevator trim and elected to land the amphibious acft in the bay. He acknowledged and witnesses observed him lower the landing gear prior to attempting to land on the water. The aircraft flipped inverted…
- [NTSB ANC88LA122](https://openairdocs.org/ntsb/ANC88LA122.md): Helio H-295 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Sep 4, 1988 · N456JH · Substantial damage
  > During the takeoff roll on the runway at approximately 20 to 25 mph the pilot lost directional control of the airplane. The airplane looped to the right.
- [NTSB DEN88LA123](https://openairdocs.org/ntsb/DEN88LA123.md): Helio H-295 · Encampment, WY · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1988 · N6454V · Destroyed
  > The plt stated he calculated the density altitude to have been 11,300 ft at takeoff. He said the acft was near max gross wt and that the grass strip he departed from was approx 1,500 ft long. The plt stated 'I was on the on the back side of the pwr curve as…
- [NTSB LAX88LA157](https://openairdocs.org/ntsb/LAX88LA157.md): Aero Commander 560 · Bullhead City, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 11, 1988 · N2705B · Substantial damage
- [NTSB BFO87LA058](https://openairdocs.org/ntsb/BFO87LA058.md): Beech D50C · Somerville, VA · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1987 · N81CA · Substantial damage
  > The nose gear prematurely retracted and the props contacted the gravel runway during the takeoff initial climb. The plt attempted to continue the takeoff and the acft settled into trees off the departure end of the rwy. Post-accident inspection failed to…
- [NTSB CHI86LA203](https://openairdocs.org/ntsb/CHI86LA203.md): Republic RC-3 · Keego Harbor, MI · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1986 · N113G · Substantial damage
  > According to the pilot, as he was preparing to land on a lake and was at an altitude of approximately 100 feet, he noticed that he did not have full flaps down. He then reached down, and by error, lowered the landing gear instead of the flaps. During…
- [NTSB LAX86FA085](https://openairdocs.org/ntsb/LAX86FA085.md): Beech D-50 · Santa Rosa, CA · Accident · 1 fatal · Field investigation · Final report · Jan 9, 1986 · N666GK · Destroyed
  > The plt, who was the mechanic for the acft & who possesses FAA inspection authorization, was familiar with this acft and had flown it the day before the accident. The plt failed to refuel the acft after making two additional flts. The main fuel tank gages…
- [NTSB DEN86LA012](https://openairdocs.org/ntsb/DEN86LA012.md): Beech D50A · T/C, NM · Accident · No injuries · Limited investigation · Final report · Oct 20, 1985 · N332B · Substantial damage
  > A person identifying himself as leon taylor, notified the FAA in albuquerque, n.m., that the twin-bonanza acft he was piloting, overran the improvised airstrip where he was attemptting to land & crashed. Mr taylor was never heard from again. The n.m. state…
- [NTSB MKC85FPG03](https://openairdocs.org/ntsb/MKC85FPG03.md): Helio Courier H-295 · Winslow, AR · Accident · Serious injuries · Final report · Mar 22, 1985 · N6475V · Substantial damage
  > The left wing of the acft contacted a tree during an attempted takeoff from a 1200 ft long grass fld. The acft then rotated 180 degs and impacted the ground. The plt had landed the acft in the fld on 3/21/85 when deteriorating wx was encountered in-flight.…
- [NTSB LAX85LA127](https://openairdocs.org/ntsb/LAX85LA127.md): Helio H-295 · Lower Lake, CA · Accident · No injuries · Limited investigation · Final report · Jan 30, 1985 · N269E · Substantial damage
  > Plt attempted to abort a takeoff as the acft became airborne at aprx 40 mph. The right main gear collapsed when the acft touched down while it was yawed to the left.
- [NTSB LAX84LA387](https://openairdocs.org/ntsb/LAX84LA387.md): Helio H-295 · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Jul 9, 1984 · N222LT · Substantial damage
  > As the tailwheel settled to the rwy the acft veered right and ground looped collapsing the left main ldg gear. The left main gear oleo strut failed due to tensile overload.
- [NTSB ANC83LA136](https://openairdocs.org/ntsb/ANC83LA136.md): Helio H-295 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Jul 23, 1983 · N6481V · Substantial damage
  > The plt reported that during the landing roll, the left brake failed & the acft ran off the right side of the rwy. Reportedly, the acft was damaged when it went off the gravel rwy at or near the departure end. No malfunction or failure of the brake assembly…
- [NTSB ANC83FA126](https://openairdocs.org/ntsb/ANC83FA126.md): Helio H395 · Fairbanks, AK · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1983 · N4156D · Substantial damage
  > Takeoff was from a dirt driveway which had a usable length 0F 330 ft before it curved north. Before takeoff, the plt hadbent several small trees back away from the driveway & tied them down so they would not interfere with the takeoff. There are numerous…
- [NTSB CHI83LA173](https://openairdocs.org/ntsb/CHI83LA173.md): Grumman G-44 · Fond Du Lac, WI · Accident · Minor injuries · Limited investigation · Final report · Apr 19, 1983 · N99431 · Substantial damage
  > The pilot became preoccupied with a minor electrical problem and did not raise the landing gear before making a landing on water. Upon water contact, the landing gear effected enough drag to nose the aircraft over.
- [NTSB DEN83LA080](https://openairdocs.org/ntsb/DEN83LA080.md): Helio H-295 · Baggs, WY · Accident · No injuries · Limited investigation · Final report · Mar 12, 1983 · N533LD · Substantial damage
  > The plt reported that he was hauling hay for his stranded horse. The plt was delivering hay, 5 bales per flt & dropping 1 bale at a time. On the 19th drop, after 4 hrs & 15 min of flt time since refueling, the eng lost power. During a forced landing in deep…
- [NTSB LAX83FA100](https://openairdocs.org/ntsb/LAX83FA100.md): Helio H-395 · Tucson, AZ · Accident · No injuries · Field investigation · Final report · Feb 13, 1983 · N4160D · Substantial damage
  > The acft ground looped during landing and collided with an acft arresting system component. The pilot was landing on RWY11L. He did not report any difficulty controlling the acft until he began his flare. At that time he stated that a slight air disturbance…
- [NTSB FTW82DA390](https://openairdocs.org/ntsb/FTW82DA390.md): Helio H-295 · Waller, TX · Accident · No injuries · Final report · Sep 22, 1982 · N6453V · Substantial damage
  > A witness observed the aircraft depart from a hard surface runway. The aircraft remained close to the runway surface after lift-off and was observed to make an abrupt pull-up to a nose-high climb angle. The aircraft cleared wires then appeared to fall off to…
- [NTSB ANC82DAG24](https://openairdocs.org/ntsb/ANC82DAG24.md): Helio H-395 · Gulkana, AK · Accident · No injuries · Final report · May 8, 1982 · N4156D · Substantial damage
  > The pilot departed fairbanks, Alaska in his wheel equipped Helio H-395 and proceeded on a flight to Gulkana, Alaska. While en route, he elected to land on an island near the junction of the susitna and oshetina rivers. During the landing, the gear fell…
- [NTSB MKC82DA044](https://openairdocs.org/ntsb/MKC82DA044.md): Helio H-295 · Ozark, MO · Accident · No injuries · Final report · Mar 13, 1982 · N6475V · Substantial damage
  > The driver of the automobile parked on the east end of the east/west runway to watch aircraft taking off and landing on the north/south runway. After landing on the south end of the n/s runway, the pilot taxied to his right around a group of hangars and onto…
- [NTSB FTW82DRG03](https://openairdocs.org/ntsb/FTW82DRG03.md): Beech C50 · Goliad, TX · Accident · Serious injuries · Closed · Oct 15, 1981 · N4914B · Substantial damage
- [NTSB CHI81FA057](https://openairdocs.org/ntsb/CHI81FA057.md): Aero Comdr 560 · Walkerton, IN · Accident · 1 fatal · Closed · May 24, 1981 · N272GD · Destroyed
- [NTSB FTW81FRG34](https://openairdocs.org/ntsb/FTW81FRG34.md): Beech C50 · Los Fresnos, TX · Accident · No injuries · Closed · May 6, 1981 · N3712B · Substantial damage
- [NTSB CHI81FEI12](https://openairdocs.org/ntsb/CHI81FEI12.md): Piper PA-28 · Youngstown, OH · Accident · No injuries · Closed · Mar 22, 1981 · N40881 · 2 aircraft · Substantial damage
- [NTSB ATL81FLQ05](https://openairdocs.org/ntsb/ATL81FLQ05.md): Helio Acft HT-295 · Mt Sterling, KY · Accident · No injuries · Closed · Nov 20, 1980 · N5384G · Destroyed
- [NTSB ATL80IA056](https://openairdocs.org/ntsb/ATL80IA056.md): Dehavilland DHC-13 · Fredricksburg, VA · Incident · No injuries · Closed · Jun 15, 1980 · N33BR · Minor damage
- [NTSB NYC80FHA08](https://openairdocs.org/ntsb/NYC80FHA08.md): Beech D50 · Avoca, PA · Accident · No injuries · Closed · Mar 6, 1980 · N632Z · Substantial damage
- [NTSB SEA80FYE19](https://openairdocs.org/ntsb/SEA80FYE19.md): Republic RC-3 · Mckenna, WA · Accident · Serious injuries · Closed · Feb 28, 1980 · N87576 · Substantial damage
- [NTSB NYC80FNC12](https://openairdocs.org/ntsb/NYC80FNC12.md): Beech C50 · Manchester, NH · Accident · No injuries · Closed · Feb 22, 1980 · N4900B · Substantial damage
- [NTSB DEN80FA022](https://openairdocs.org/ntsb/DEN80FA022.md): Aero Comdr 560 · Magdalena, NM · Accident · 1 fatal · Closed · Jan 30, 1980 · N560E · Destroyed
- [NTSB MIA80DA024](https://openairdocs.org/ntsb/MIA80DA024.md): Beech C-50 · Atlantic Ocean (Atlantic Ocean) · Accident · No injuries · Closed · Jan 4, 1980 · N3725B · Destroyed
- [NTSB MIA80DA020](https://openairdocs.org/ntsb/MIA80DA020.md): Beech D50B · Missing Aircraft · Accident · 1 fatal · Closed · Nov 19, 1979 · N1706 · Destroyed
- [NTSB LAX80FUJ08](https://openairdocs.org/ntsb/LAX80FUJ08.md): Aero Comdr 560 · Tucson, AZ · Accident · No injuries · Closed · Nov 3, 1979 · N814V · Substantial damage
- [NTSB LAX79DVG72](https://openairdocs.org/ntsb/LAX79DVG72.md): Helio Acft H-395 · Woodland, CA · Accident · Minor injuries · Closed · Aug 23, 1979 · N4177D · Substantial damage
- [NTSB NYC79FA063](https://openairdocs.org/ntsb/NYC79FA063.md): Aero Comdr 560A · Pavilion, NY · Accident · 1 fatal · Closed · Jul 21, 1979 · N2748B · Destroyed

Next page: https://openairdocs.org/ntsb.md?engine=41527&page=3

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 ('41527'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41527&page=2

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.