# NTSB ATL80FA073: Hughes 269B, N9482F, Washington, DC, July 12, 1980

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 12, 1980
- Place: Washington, DC · WASHINGTON, DC
- Location: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8951&lon=-77.0364&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious
- Status: Completed, report September 25, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129647
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL80FA073
- Page: https://openairdocs.org/ntsb/ATL80FA073

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2181  80/7/12    WASHINGTON,DC       HUGHES 269B         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 38, 4933
        TIME - 1720                    N9482F              PX-  0  2  0  OTHER                     TOTAL HOURS, 443 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          GAITHERSBURG,MD             WASHINGTON,DC                ARLINGTON,VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           DITCHING                                                 LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- #5 HOLD DOWN STUD ON #3 CYL FAILED.SIGHT-SEEING TRIP FOR WINNERS OF CONTEST.
```

## Aircraft

- Registration: [N9482F](https://openairdocs.org/deregistered/N9482F-1982-10-07), registration cancelled 1982-10-07, S/N 1160288 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19800712066089A](https://openairdocs.org/incident/19800712066089A), Jul 12, 1980: Hughes 269B, Washington, DC, Destroyed. Engine quit on low altitude sight-seeing flight. Crash-landed in tidal basin. Found cylinder studs had failed.

## Other investigations on N9482F (3)

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 IAD79FA083](https://openairdocs.org/ntsb/IAD79FA083), Sep 17, 1979: Hughes 269B (N9482F), Gaithersburg, MD, substantial damage
- [NTSB MIA77FLA06](https://openairdocs.org/ntsb/MIA77FLA06), Nov 8, 1977: Hughes 269B (N9482F), Gainesville, FL, substantial damage
- [NTSB CHI77FEE18](https://openairdocs.org/ntsb/CHI77FEE18-157778), Apr 16, 1977: Hughes 269B (N9482F), Indianapolis, IN, substantial damage

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.

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