# Accident 19940911026099A: Wdl WDL1, Farmingdale, NY, September 11, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 11, 1994, 11:11 local time
- Place: Farmingdale, NY
- Airport: Republic
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 40.7304° N, 73.4403° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.7304&lon=-73.4403&mi=10
- Aircraft: N317TW, a cancelled registration (https://openairdocs.org/deregistered/N317TW-2012-10-12) (OpenAirDocs)
- Registry model: WDL WDL 1B (registry code 9700101, https://openairdocs.org/model/wdl-wdl-1b) (OpenAirDocs)
- Registry engine: Continental IO-360 series (registry code 17025, https://openairdocs.org/engine/continental-io-360-series) (OpenAirDocs)
- Reported make and model: WDL WDL1
- Reported engine: CONT IO360CB
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 3,200 total, 1,642 in this make and model, 205 in the last 90 days
- NTSB investigation: [NTSB NYC94FA176](https://openairdocs.org/ntsb/NYC94FA176) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940911026099A

## Narrative

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

LOST AIR PRESSURE ON CLIMBOUT. TRIED LAND ON RESIDENTIAL STREET. CENTER DAMPER VALVE LEFT OPEN BY MAINTENANCE.

## 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 NYC94FA176](https://openairdocs.org/ntsb/NYC94FA176), Sep 11, 1994: WDL 1B (N317TW), Farmingdale, NY, substantial damage. Probable cause: INADEQUATE DESIGN OF THE AIRSHIP, WHICH ALLOWED THE CENTER BALLONET TO OVERFILL AND TO COLLAPSE THE TRUNKING TO THE FORE AND AFT BALLONETS, RENDERING THE AIRSHIP UNCONTROLLABLE. FACTORS RELATED TO…

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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