# NTSB IAD71II007: Nihon YS-11A, N259P, Washington, DC, July 28, 1970

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: July 28, 1970
- Place: Washington, DC · WASHINGTON, DC
- Location: 38.8951° N, 77.0364° W: Placed by OpenAirDocs: center of Washington, DC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8951&lon=-77.0364&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 39 uninjured
- Status: Completed, report November 2, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 108008
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD71II007
- Page: https://openairdocs.org/ntsb/IAD71II007

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0034  70/7/28    WASHINGTON,DC       NIHON YS-11A        CR-  0  0  4  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1629                    N259P               PX-  0  0 35                            49, 17000 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            1000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - NATIONAL
        OPERATOR - PIEDMONT AVIATION,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          ATLANTA,GA                  WASHINGTON,DC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N259P](https://openairdocs.org/deregistered/N259P-2013-09-20), registration cancelled 2013-09-20, S/N 2119, built 1969 (OpenAirDocs)
- Reported make and model: NIHON YS-11A
- Registry model: [Nihon YS-11A-500](https://openairdocs.org/model/nihon-ys-11a-500) (registry code 6310416) (OpenAirDocs)
- Registry engine: [Rolls-Royce DART-542 series](https://openairdocs.org/engine/rolls-royce-dart-542-series) (registry code 54522, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: National

## Other investigations on N259P (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ATL81IA064](https://openairdocs.org/ntsb/ATL81IA064), Apr 13, 1981: Namc YS-11 (N259P), Charlotte, NC, incident, minor damage
- [NTSB IAD79IA064](https://openairdocs.org/ntsb/IAD79IA064), Jul 18, 1979: Namc YS-11A (N259P), Charlottesvlle, VA, incident, minor damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; 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.