# NTSB ANC73DAG74: Piper PA-18, N4757Y, Sterling, AK, January 11, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 11, 1973
- Place: Sterling, AK · STERLING, AK
- Location: 60.5372° N, 150.7647° W: Placed by OpenAirDocs: center of Sterling, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.5372&lon=-150.7647&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 6, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169656
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC73DAG74
- Page: https://openairdocs.org/ntsb/ANC73DAG74

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0216  73/1/11    STERLING,ALAS       PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 69, 22000
        TIME - 0930                    N4757Y              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 8000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          STERLING,ALAS               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      600
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ICE ON L WG. WAS DIVERTED DURING PRE-FLT.
```

## Aircraft

- Registration: [N4757Y](https://openairdocs.org/aircraft/N4757Y), registered now, S/N 18-8957, built 1971 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19730111001409A](https://openairdocs.org/incident/19730111001409A), Jan 11, 1973: Piper PA18150, Sterling, AK, Substantial damage. Ice on l wg. Was diverted during pre-flt.

## Other investigations on N4757Y (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 ANC76DAH56](https://openairdocs.org/ntsb/ANC76DAH56), Aug 17, 1976: Piper PA-18 (N4757Y), Chitina, AK, 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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