# NTSB ANC70D0033: Piper PA-11, N4987M, Anchorage, AK, September 21, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 21, 1969
- Place: Anchorage, AK · ANCHORAGE, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report May 13, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 151748
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70D0033
- Page: https://openairdocs.org/ntsb/ANC70D0033

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4107  69/9/21    ANCHORAGE,ALAS      PIPER PA-11         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 27, 289
        TIME - 0830                    N4987M              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 37 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SLEEPER
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,ALAS              ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- PLT OBSERVED PERSONS ON GRND. ALLOWED ACFT TO VEER TOWARD TREES. STALLED AVOIDING TREES.
```

## Aircraft

- Registration: [N4987M](https://openairdocs.org/deregistered/N4987M-2012-08-09), registration cancelled 2012-08-09, S/N 11-475, built 1948 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sleeper

## Other investigations on N4987M (2)

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 ANC77DAG33](https://openairdocs.org/ntsb/ANC77DAG33), Feb 5, 1977: Piper PA-11 (N4987M), Alexander Ck, AK, substantial damage
- [NTSB ANC74DAG72](https://openairdocs.org/ntsb/ANC74DAG72), Nov 4, 1973: Piper PA-11 (N4987M), Alexndr Lake, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.