# NTSB UNK64X4155: Ryan STA, N18923, Whidbey Is, WA, September 26, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 26, 1964
- Place: Whidbey Is, WA · WHIDBEY IS , WA
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 13, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181293
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X4155
- Page: https://openairdocs.org/ntsb/UNK64X4155

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3027  64/9/26    WHIDBEY IS WASH     RYAN STA            CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 32, 6000
        TIME - 1400                    N18923              PX-  0  0  0  AIR SHOW/RACING           TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - NAS WHIDBEY IS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: ACROBATICS
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        REMARKS- DOUBLE SNAP ROLL ON TOP OF LOOP AT LOW ALTITUDE DURING AIRSHOW.
```

## Aircraft

- Registration: [N18923](https://openairdocs.org/aircraft/N18923), registered now, S/N 322, built 1939 (OpenAirDocs)
- Reported make and model: RYAN STA
- Registry model: [Ryan Aeronautical ST-A](https://openairdocs.org/model/ryan-aeronautical-st-a) (registry code 7830402) (OpenAirDocs)
- Registry engine: [Menasco SUP PIRT D4B](https://openairdocs.org/engine/menasco-sup-pirt-d4b) (registry code 43506, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Nas Whidbey Is

## Other investigations on N18923 (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 SEA66F0007](https://openairdocs.org/ntsb/SEA66F0007), May 31, 1965: Ryan ST-A (N18923), Olympia, WA, 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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