# Accident 20231012017069A: Boeing A75N1(PT17), Mesa, AZ, October 12, 2023

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 12, 2023, 10:00 local time
- Place: Mesa, AZ
- Airport: Phoenix-Mesa Gateway
- Damage: Substantial damage
- Phase of flight: Landing: Rollout
- Operating rules: General operating rules (Part 91)
- Location: 33.3087° N, 111.6497° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.3087&lon=-111.6497&mi=10
- Aircraft: N4777V, registered now (https://openairdocs.org/aircraft/N4777V) (OpenAirDocs)
- Registry model: Boeing A75N1(PT17) (registry code 1380134, https://openairdocs.org/model/boeing-a75n1-pt17) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: BOEING A75N1(PT17)
- Reported engine: AMA/EXPR UNKNOWN ENG
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 3,000 total, 1,900 in this make and model, 18 in the last 90 days
- NTSB investigation: [NTSB WPR24LA015](https://openairdocs.org/ntsb/WPR24LA015) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20231012017069A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

THE AIRMAN WAS GIVING TAILWHEEL INSTRUCTION IN HIS STEARMAN WITH A STUDENT IN THE REAR SEAT. HE WAS DEMONSTRATING A WHEEL LANDING WHEN THE ACCIDENT OCCURRED. THE NOSE SWERVED TO THE RIGHT SUDDENLY AS HE LOWERED THE TAILWHEEL AND HE BEGAN HIS LEFT RUDDER CORRECTION.  THE AIRMAN WAS LATE MAKING THE APPROPRIATE CONTROL INPUTS TO STOP THE NOSE FROM SWINGING TO THE RIGHT. AS THE PLANE GROUND LOOPED TO THE RIGHT, THE LEFT WING CONTACTED THE RUNWAY RESULTING IN DAMAGE TO THE WING. IT ALSO ROCKED BRIEFLY AND THE RIGHT-WING TIP CONTACTED THE RUNWAY CAUSING COSMETIC DAMAGE TO THE WING TIP FABRIC.

## The NTSB's investigation of this event (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 WPR24LA015](https://openairdocs.org/ntsb/WPR24LA015), Oct 12, 2023: Boeing A75N1(PT17) (N4777V), Mesa, AZ, substantial damage. Probable cause: The flight instructor’s failure to maintain directional control during the landing roll, which resulted in a ground loop.

## Other reports on N4777V (1)

Matched to the same aircraft by N-number and date.

- [Accident 20120918021829A](https://openairdocs.org/incident/20120918021829A), Sep 18, 2012: Boeing A75N1/PT-13D (N4777V), Lincoln, CA, Substantial damage. At approximately 1700 PDT on September 18, 2012, privately registered aircraft N4777V (B-75-A75N1 PT-13D) was on a VFR flight from cameron airpark (KO61) in…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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