# NTSB ANC72AA033: Helio H-250, Lttl Diomede, AK, December 30, 1971

- Type: NTSB accident investigation
- Date: December 30, 1971
- Place: Lttl Diomede, AK · LTTL DIOMEDE, AK
- Highest injury: Minor injuries
- Injuries: 1 minor, 4 uninjured
- Status: Completed
- Report: DirectorBrief, May 15, 1972
- NTSB case key (mKey): 164968
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72AA033
- Page: https://openairdocs.org/ntsb/ANC72AA033

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3791  71/12/30   LTTL DIOMEDE,ALAS   HELIO H-250         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0920                    N8868E              PX-  0  0  4  AIR TAXI-PASSG            AGE 52, 14360 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 4000 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LITTLE DIOMEDE
        DEPARTURE POINT             INTENDED DESTINATION
          LITTLE DIOMEDE,ALAS         NOME,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - PREMATURE LIFT-OFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- ICE RWY COVERED WITH 3-4 INCHES CRUSTED SNOW.
```

## Sequence of events

- Initial climb

## Aircraft

- Registration: N8868E, a cancelled registration (https://openairdocs.org/deregistered/N8868E-1974-06-05) (OpenAirDocs)
- Reported make and model: HELIO H-250
- Registry model: Helio H-250 (registry code 4300302, https://openairdocs.org/model/helio-h-250) (OpenAirDocs)
- Category: Airplane
- Damage: Substantial damage
- Airport: LITTLE DIOMEDE

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

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From OpenAirDocs.org, an independent open copy of NTSB and FAA data. The NTSB's own report is the official record of an investigation.