# NTSB UNK64X1535: Piper PA22, N9724D, Billings, MT, April 30, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 30, 1964
- Place: Billings, MT · BILLINGS, MT
- Location: 45.7833° N, 108.5007° W: Placed by OpenAirDocs: center of Billings, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7833&lon=-108.5007&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 15, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 185893
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1535
- Page: https://openairdocs.org/ntsb/UNK64X1535

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1089  64/4/30    BILLINGS MONT       PIPER PA22          CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 28, 12 TOTAL
        TIME - 1000                    N9724D              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LOGAN FIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
```

## Aircraft

- Registration: [N9724D](https://openairdocs.org/deregistered/N9724D-2012-11-26), registration cancelled 2012-11-26, S/N 22-6636, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA22
- Registry model: [Piper PA-22-160](https://openairdocs.org/model/piper-pa-22-160) (registry code 7102214) (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: Logan Field

## Other investigations on N9724D (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 SEA70DDA02](https://openairdocs.org/ntsb/SEA70DDA02), Feb 1, 1970: Piper PA-22 (N9724D), Denton, MT, 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.
