# Accident 20210716010769A: Piper PA-18-135, Chelatna Lake, AK, July 16, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 16, 2021, 12:20 local time
- Place: Chelatna Lake, AK
- Airport: Chelatna Lake Private Airstrip
- Damage: Substantial damage
- Phase of flight: Landing: Rollout
- Operating rules: General operating rules (Part 91)
- Location: 62.5331° N, 151.5017° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=62.5331&lon=-151.5017&mi=10
- Aircraft: N99640, a cancelled registration (https://openairdocs.org/deregistered/N99640-2023-06-17) (OpenAirDocs)
- Registry model: Piper PA-18-135 (registry code 7101820, https://openairdocs.org/model/piper-pa-18-135) (OpenAirDocs)
- Reported make and model: PIPER PA-18-135
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport, flight instructor
- Pilot flight hours: 27,000 total, 80 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB ANC21LA060](https://openairdocs.org/ntsb/ANC21LA060) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210716010769A

## Narrative

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

PILOT DEPARTED WOLF LAKE AIRPORT(4AK6) WITH ONE PASSENGER, ENROUTE TO AN APPROXIMATELY 750' LONG PRIVATE AIRSTRIP AT CHELATNA LAKE. CALM WINDS AND CLEAR SKIES. THE PILOT DECIDED TO LAND ON THE PRIVATE AIRSTRIP TO THE NORTH. THE PILOT WAS ON SPEED WITH FULL FLAPS AND TOUCHED DOWN SLIGHTLY PAST HIS INTENDED TOUCHDOWN POINT. UPON LANDING HE PERCEIVED HE NEEDED MORE BRAKING, APPLIED THE BRAKES, AND THEN THE TAIL RAISED, STRIKING THE PROP AND NOSING THE AIRCRAFT OVER ON ITS BACK. THE AIRCRAFT REMAINED IN ONE PIECE.  NO INJURIES. NO FIRE. AIRCRAFT SUBSTANTIALLY DAMAGED.

## 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 ANC21LA060](https://openairdocs.org/ntsb/ANC21LA060), Jul 16, 2021: Piper PA-18-135 (N99640), Skwentna, AK, substantial damage. Probable cause: The pilot’s use of excessive braking which resulted in a nose-over.

## Other reports on N99640 (1)

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

- [Accident 20220227002929A](https://openairdocs.org/incident/20220227002929A), Feb 27, 2022: Piper PA-18-135 (N99640), Wasilla, AK, Substantial damage. 33. Person acting as pilot (not certificated) was conducting the initial flight after his extensive repairs and reassembly of the aircraft. The aircraft had…

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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