# Accident 20020301003899A: Cessna 421C, Hailey, ID, March 1, 2002

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 1, 2002, 19:36 local time
- Place: Hailey, ID
- Airport: Friedman Memorial
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 43.5050° N, 114.2967° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.5050&lon=-114.2967&mi=10
- Aircraft: N421DG, registered now (https://openairdocs.org/aircraft/N421DG) (OpenAirDocs)
- Registry model: Cessna 421C (registry code 2076016, https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Registry engine: Continental GTSI0-520-F-K (registry code 17031, https://openairdocs.org/engine/continental-gtsi0-520-f-k) (OpenAirDocs)
- Reported make and model: CESSNA 421C
- NTSB investigation: [NTSB SEA02LA046](https://openairdocs.org/ntsb/SEA02LA046) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20020301003899A

## Narrative

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

(-23) THE PILOT DEPARTED SANTA MONICA, CALIFORNIA IFR FOR HAILEY, IDAHO. THE TEMPERATURES AT ALTITUDE WERE -40 DEGREES AND THE SURFACE TEMPERATURE AT HAILEY WAS 0 DEGREES FAHRENHEIT. THE PILOT EXTENDED THE LANDING GEAR ON APPROACH AND ONLY THE LEFT MAIN GEAR LOCKED INTO PLACE. HE NOTIFIED HAILEY TOWER OF THIS CONDITION AND THEN MANEUVERED WHILE WORKING ON THE PROBLEM. AFTER REPEATED ATTEMPTS TO RETRACT AND EXTEND, STILL ONY THE LEFT MAIN WOULD LOCK AND ILLUMINATE ITS GREEN LIGHT. THE PILOT THEN INITIATED THE APPROACH AGAIN AND EXECUTED THE EMERGENCY PROCEDURES, WHICH IN THIS CASE IS TO PULL THE GEAR BLOW DOWN HANDLE WHICH PNEUMATICALLY EXTENDS THE LANDING GEAR. STILL ONLY THE LEFT MAIN WAS LOCKED, THE LANDING WAS INITIATED AND THE AIRCRAFT TOUCHED DOWN WITH THE LEFT GEAR DOWN AND LOCKED, THE RIGHT MAIN WAS PARTIALLY EXTENDED BUT NOT LOCKED, THE NOSE GEAR WAS EXTENDED HOWEVER IT WAS NOT LOCKED. THE NOSE GEAR STAYED EXTENDED ON ROLL OUT AND THE RIGHT WING TIP, AILERON, FLAP, AND PROPELLER ALL MADE CONTACT AND SUSTAINED DAMAGE. N421DG CAME TO REST ON RW 31.

## 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 SEA02LA046](https://openairdocs.org/ntsb/SEA02LA046), Mar 2, 2002: Cessna 421C (N421DG), Hailey, ID, substantial damage. Probable cause: Water contamination within the aircraft's landing gear hydraulic line(s) which froze and blocked the line(s) preventing extension of the right main gear. A factor was the below freezing environmental…

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.

---
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.
