# NTSB SEA71DXM18: Hughes 269B, N9427F, Atlanta, ID, January 7, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 7, 1971
- Place: Atlanta, ID · ATLANTA, ID
- Location: 43.8016° N, 115.1267° W: Placed by OpenAirDocs: center of Atlanta, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8016&lon=-115.1267&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 24, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159953
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DXM18
- Page: https://openairdocs.org/ntsb/SEA71DXM18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0439   71/1/7    ATLANTA,ID          HUGHES 269B         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1245                    N9427F              PX-  0  0  1  TEST                      AGE 30, 700 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            70 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FEATHERVILLE,ID             BOISE,ID
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           MISCELLANEOUS ACTS,CONDITIONS - ICE INDUCTION
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           TERRAIN - SNOW-COVERED
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND VELOCITY-KNOTS
          NONE                                                     CALM
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- TEST FLT OVER UNPREPARED LDG SURFACE.ICE IN FUEL CONTROL.SNOW 3FT DEEP.
```

## Aircraft

- Registration: [N9427F](https://openairdocs.org/deregistered/N9427F-2016-05-05), registration cancelled 2016-05-05, S/N 0174, built 1963 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9427F (4)

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 CEN15LA341](https://openairdocs.org/ntsb/CEN15LA341), Aug 5, 2015: Hughes 269B (N9427F), Atkinson, IL, destroyed. Probable cause: The pilot's improper decision to intentionally fly the helicopter at a low altitude and his subsequent failure to maintain clearance from a power line.
- [NTSB CHI86LA236](https://openairdocs.org/ntsb/CHI86LA236), Sep 26, 1986: Hughes 269B (N9427F), Baldwin, WI, substantial damage
- [NTSB DEN78DTC15](https://openairdocs.org/ntsb/DEN78DTC15), Mar 3, 1978: Hughes 269B (N9427F), Douglas, WY, substantial damage
- [NTSB SEA67A0010](https://openairdocs.org/ntsb/SEA67A0010), Aug 7, 1966: Hughes 269B (N9427F), Eaverton, OR, 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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