# NTSB ANC72DAG16: Piper PA-18, N4473Z, Glenallen, AK, August 9, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 9, 1971
- Place: Glenallen, AK · GLENALLEN, AK
- Location: 62.1092° N, 145.5464° W: Placed by OpenAirDocs: center of Glennallen, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=62.1092&lon=-145.5464&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 29, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162839
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAG16
- Page: https://openairdocs.org/ntsb/ANC72DAG16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2980   71/8/9    GLENALLEN,ALAS      PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 750
        TIME - 1900                    N4473Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 710 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BUSH STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          GLENALLEN,ALAS              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      6500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      50
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ATTEMPTED T/O WITH COND OF TOO SHORT STRIP WITH 5000 FT DENSITY ALT. SETTLED INTO CREEK BANK.
```

## 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: Bush Strip

## 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 ANC73DAD02](https://openairdocs.org/ntsb/ANC73DAD02), Sep 11, 1972: Piper PA-18 (N4473Z), Haines, 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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