Skip to content

Home Atlas About Contact

Home Atlas About Contact

Search the Atlas

/

/ or ⌘K

◉ Atlas home
Latest accidents

─

!! NTSB events
✕ Accident map
▦ NTSB charts
AS NASA ASRS
⇄ Forensic trail
CB NTSB codebooks

─

N# Tail lookup
TY Types
AD ADs
SB SAIBs
TC TCDS
ST STCs
PM PMA parts
TS TSOAs
SC Special conditions
EL ELOS findings
MM MMEL
▩ AD density
⊛ Type scatter
AC Air carriers
UA UAS waivers

─

⌖ Airports
◗ Airport map
CS Chart Supplement
⛔ TFRs
SU Special use airspace
◎ Airport events
WS Wildlife strikes

─

§ eCFR (Title 14)
SF SFARs
AC Advisory circulars
LI Legal interpretations
JO FAA orders
FR Federal Register
⚖ Open rulemaking
⏲ Rulemaking timeline

─

★ Designees
FS Flight schools
47 AMT schools
FB FBOs
RS Repair stations
FC Flying clubs
EA EAA chapters
FO FSDOs

─

? Aviation basics
A AIM
HB FAA handbooks
AB Glossary
✎ Articles
RP Research papers
◷ Events calendar

─

⌬ Tools
✛ Safety
◇ Resource links

Atlas / Aircraft / ELOS findings

ELOS TC4948NY-T-ES-20

Current · Issued 02/02/2015 · FAA DRS

Oxygen Quantity Indication PDF ↗

14 CFR sections Project Other ELOS Special conditions Same CFR sections

14 CFR sections deviation applies to

§ 25.1441

Project

Finding #: TC4948NY-T-ES-20
Applicant: Bombardier Inc.
Make: Bombardier Aerospace Inc | Bombardier Aerospace Inc
Model: BD-500-1A10 | BD-500-1A11
Office: AIR-770: West Certification Branch LA

Other ELOS on this aircraft

ELOS TC4948NY-T-CS-10INFORMATION: Equivalent Level of Safety (ELOS) Finding for Symbolic Exit Signs on Model BD-500-1A10 / -1A11, FAA Project # TC4948NY-T
ELOS TC4948NY-T-P-06INFORMATION: Equivalent Level of Safety (ELOS) Finding for Automatic Takeoff Thrust Control System (ATTCS) Appendix I Thrust Setting, Lack of On/Off Switch and Indication Requirements on BD-500-1A10 and 1A11, FAA Project TC4948NY-T
ELOS TC4948NY-T-ES-19NFORMATION: Equivalent Level of Safety (ELOS) Finding for Penetrations in Fire Barrier of Cargo Compartment and WTBF on Model BD-500-1A10 / -1A11, FAA Project #TC4948NY-T
ELOS TC4948NY-T-S-13INFORMATION: Equivalent Level of Safety Finding (ELOS) for use of ARAC Recommendation Revision to 25.1301 and 25.1309 on Bombardier Aerospace Model BD-500-1A10/-1A11
ELOS TC4948NY-T-P-16Engine and APU Fire Protection on the BD-500-1A10 and 1A11, FAA Project TC4948NY-T
ELOS TC4948NY-T-ES-18Passenger Cabin Minimum Mass flow of Supplemental Oxygen

Special conditions on this aircraft

SC 25-731-SCSpecial Conditions: Bombardier Model BD-500-1A10 and BD-500-1A11 Airplanes, Installation of Inflatable Lap Belts on Seats
SC 25-597-SCSpecial Conditions: Bombardier Aerospace Inc. Model BD-500-1A10 and BD-500-1A11 Airplanes; Flight-Envelope Protection, High Incidence Protection Function
SC 25-591-SCSpecial Conditions: Bombardier Aerospace, Models BD-500-1A10 and BD-500-1A11 Series Airplanes; Installed Rechargeable Lithium Batteries and Battery Systems
SC 25-576-SCSpecial Conditions: Bombardier Aerospace Incorporated, Models BD- 500-1A10 and BD-500-1A11 Series Airplanes; Electronic Flight-Control System (EFCS): Pitch-and Roll-Limiting Functions
SC 25-584-SCSpecial Conditions: Bombardier Aerospace, Models BD-500-1A10 and BD-500-1A11; Electronic Flight Control System: Lateral-Directional and Longitudinal Stability and Low-Energy Awareness

Same CFR sections

ELOS PS13-0901-ES-1Equivalent Level of Safety (ELOS) Finding Oxygen Quantity Indication of the Lavatory Supplemental Oxygen System on Boeing Models 717-200, 737-200, 737-300, 737-400, 737-500, 737-600, 737-700, 737-700C, 737-800, 737-900, 737-900ER, 737-7, 737-8, 737-9, 737-8200, 737-10, 757-200, 757-300, 767-200, 767-300, 767-400ER, 777-200, 777-200LR, 777-300, 777-300ER, DC-9-81, DC-9-82, DC-9-83, DC-9-87, MD-11, MD-88, MD-90-30 Airplanes, Project Numbers PS13-0901, PS12-0037, PS12-0038, PS12-0039, PS15-0560, PS17-0010
ELOS AT07660NY-T-S-1Oxygen Quantity Indication of Passenger Lavatory Oxygen Dispensing Unit
ELOS AT10219IB-T-S-32Crew Determination of Quantity of Oxygen in Lavatory Oxygen System Distributed Bottles
ELOS TC0544IB-T-P-11Adoption of Draft Harmonized Rules for Auxiliary Power Unit (APU) Certification
ELOS TC0544IB-T-ES-7Crew Determination of Quantity of Passenger Gaseous Oxygen System Distributed Cylinders

The operating system for lower-loss aviation. Tally Aero connects pilot skill, flight context, and flight records to reduce loss and build a more informed insurance system.

[email protected]

Tally Aero

Atlas
About
Contact

© 2026 Tally Aero, Inc. Operational infrastructure for lower-loss aviation.

Privacy Terms Contact