# NTSB DEN71AD012: Piper PA-30, N8414Y, Boulder, CO, September 18, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 18, 1970
- Place: Boulder, CO · BOULDER, CO
- Location: 40.0244° N, 105.2513° W: Placed by OpenAirDocs: center of Boulder, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0244&lon=-105.2513&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report January 7, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161728
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71AD012
- Page: https://openairdocs.org/ntsb/DEN71AD012

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1546  70/9/18    BOULDER,COLO        PIPER PA-30         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 64, 600
        TIME - 0946                    N8414Y              PX-  1  0  0  BUSINESS                  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BOULDER
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,COLO                CASPER,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        REMARKS- ACFT OVER MAX GROSS WT ABOUT 124 LBS. CG UNDETERMINED. ASSUMED VERY NOSE HI ATTITUDE AFTER LIFTOFF
```

## Aircraft

- Registration: N8414Y (not matched to a registry record)
- Reported make and model: PIPER PA-30
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Boulder

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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