# NTSB IAD77FIG35: Hughes 269B, N9568F, Gaithersburg, MD, September 15, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 15, 1977
- Place: Gaithersburg, MD · GAITHERSBURG, MD
- Location: 39.1486° N, 77.1951° W: Placed by OpenAirDocs: center of Gaithersburg, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1486&lon=-77.1951&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 11, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145631
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD77FIG35
- Page: https://openairdocs.org/ntsb/IAD77FIG35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2157  77/9/15    GAITHERSBURG,MD     HUGHES 269B         CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 0950                    N9568F              PX-  0  0  0  TRAINING                  30, 3003 TOTAL HOURS, 840
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MONTGOMERY COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          GAITHERSBURG,MD             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: POWER-OFF AUTOROTATIVE LANDING
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: DEFICIENCY,COMPANY MAINTAINED EQPMT,SERVICES,REGULATION
           AIRFRAME - LANDING GEAR: SKID ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- STANDARD SKIDS,BOTH WORN EXCESSIVELY.HELO NOSED OVER,M/R HIT GND.
```

## Aircraft

- Registration: [N9568F](https://openairdocs.org/deregistered/N9568F-2013-05-23), registration cancelled 2013-05-23, S/N 310460, built 1971 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Montgomery County

## 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 19770915027389A](https://openairdocs.org/incident/19770915027389A), Sep 15, 1977: Hughes 269B, Gaithersburg, MD, Substantial damage. Standard skids,both worn excessively. Helo nosed over,m/r hit gnd.

## Other investigations on N9568F (1)

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 IAD78FA106](https://openairdocs.org/ntsb/IAD78FA106), Sep 4, 1978: Hughes 269B (N9568F), Damascus, MD, destroyed

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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