# NTSB ANC73DAD02: Piper PA-18, N4473Z, Haines, AK, September 11, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 11, 1972
- Place: Haines, AK · HAINES, AK
- Location: 59.2605° N, 135.4726° W: Placed by OpenAirDocs: center of Haines, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=59.2605&lon=-135.4726&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 30, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168396
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC73DAD02
- Page: https://openairdocs.org/ntsb/ANC73DAD02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3342  72/9/11    HAINES,ALAS         PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 1120
        TIME - 0815                    N4473Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1100 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - UPPER TAKHIN
        DEPARTURE POINT             INTENDED DESTINATION
          HAINES,ALAS                 UPPER TAKHIN AIRPORT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: OBJECT                                    LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- HIT LOG MARKING END OF STRIP.
```

## Aircraft

- Registration: [N4473Z](https://openairdocs.org/aircraft/N4473Z), registered now, S/N 18-8822, built 1969 (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
- Airport: Upper Takhin

## Other investigations on N4473Z (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 ANC72DAG16](https://openairdocs.org/ntsb/ANC72DAG16), Aug 9, 1971: Piper PA-18 (N4473Z), Glenallen, 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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